Malicious PDF — malware analysis report

Static analysis result for SHA-256 5e18b3b5cf8b3bea…

MALICIOUS

PDF

158.3 KB Created: 2022-07-05 09:06:44 +00:00 Authoring application: jaicsal (via PDF Master 1.0.1) First seen: 2026-04-09
MD5: 0799889e53143342c9312695aa7d3696 SHA-1: 975e6ab33f92f1a5dbecc33fc247cda0e2bcdf5b SHA-256: 5e18b3b5cf8b3bea4babe6582768160e3ca4e4be2403b77c33a44ed70bca1f3c
204 Risk Score

Machine Learning

  • Nyx PDF Classifier clean score 0.0028

Heuristics 7

  • Cracked-software lure uses shortlink/download gateway critical PDF_CRACKED_SOFTWARE_SHORTLINK_LURE
    PDF visible text advertises a crack, serial number, archive, or pirated-software download and pairs it with a shortlink or encoded download gateway. This is a high-confidence social-engineering carrier for unwanted software or droppers; the PDF itself is not a parser exploit.
  • Cracked-software lure uses download-gateway redirectors high PDF_CRACKED_SOFTWARE_REDIRECTOR_LINK_FARM
    PDF contains multiple cracked-software/keygen/serial-key lure links together with long encoded download-gateway URLs or known crack-download redirector hosts. This is stronger than generic piracy vocabulary: the document is an SEO lure that funnels users through redirect/download infrastructure commonly used for adware, unwanted software, or droppers.
  • PDF links to a cracked-software download doorway (base64-obfuscated) high PDF_CRACKED_SOFTWARE_DOWNLOAD_DOORWAY
    PDF's embedded link hides a pirated-software title as a base64 blob inside the URL path/query (and/or carries the ``download|`` doorway-template marker), rather than in visible text. This is a TCPDF-generated SEO doorway that ranks for software-piracy searches and funnels users to fake 'crack/keygen' download pages distributing adware, potentially-unwanted programs, or droppers. The base64 encoding is deliberate obfuscation to evade plaintext lure rules; the PDF itself carries no parser exploit — the risk is the linked crack-download destination.
  • PDF link farm advertises cracked/pirated software medium PDF_CRACKED_SOFTWARE_LURE
    PDF contains many clickable links whose targets use cracked-software, keygen, serial-key, or warez vocabulary. These are SEO-spam lure documents that rank for software-piracy searches and route users to fake 'crack' download pages distributing potentially-unwanted programs, adware, or droppers. The PDF itself carries no exploit — the risk is the linked destinations.
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • External URI info PDF_URI
    PDF contains an external URL action
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL http://lehmanbrotherbankruptcy.com/baimudan?boiled=naves&QWRvYmUgUGhvdG9zaG9wIDIwMjEgKFZlcnNpb24gMjIuMS4wKQQWR=booing&herpetic=ZG93bmxvYWR8Vkc3WVRObGJueDhNVFkxTmprNE1UVXdOSHg4TWpVNU1IeDhLRTBwSUZkdmNtUndjbVZ6Y3lCYldFMU1VbEJESUZZeUlGQkVSbDA&larsen= PDF link annotation
    • https://taavistea.com/wp-content/uploads/2022/07/Photoshop_CC_2019_Keygen_Crack_Serial_Key___Free.pdfIn PDF document text
    • https://curriculumsquare.org/wp-content/uploads/Photoshop_2021.pdfIn PDF document text
    • https://www.odooblogs.com/wp-content/uploads/2022/07/fmeiona.pdfIn PDF document text
    • https://do.my/wp-content/uploads/2022/07/Photoshop_2021_Version_2243.pdfIn PDF document text
    • https://lit-woodland-86317.herokuapp.com/tailgir.pdfIn PDF document text
    • https://lovely-death-valley-35848.herokuapp.com/Photoshop_2021_version_22.pdfIn PDF document text
    • https://www.goldwimpern.de/wp-content/uploads/2022/07/Photoshop_2021_Version_2251-1.pdfIn PDF document text
    • https://takehomecolor.com/wp-content/uploads/2022/07/sanyama.pdfIn PDF document text
    • https://lerochlab.fr/wp-content/uploads/2022/07/Photoshop_2022_version_23.pdfIn PDF document text
    • https://diontalent.nl/wp-content/uploads/2022/07/Photoshop_2022__Mem_Patch__Torrent_Free_Updated_2022.pdfIn PDF document text
    • https://salty-reaches-84619.herokuapp.com/quastoma.pdfIn PDF document text
    • https://fairosport.com/wp-content/uploads/2022/07/Photoshop_2021_Version_2251.pdfIn PDF document text
    • http://pepsistars.com/wp-content/uploads/2022/07/wendben.pdfIn PDF document text
    • https://www.georgiacannabis.org/wp-content/uploads/2022/07/Photoshop_CC_2015_Version_16_Nulled__Free_For_Windows.pdfIn PDF document text
    • https://allweboutreach.com/wp-content/uploads/2022/07/cherhar.pdfIn PDF document text
    • https://socks-dicarlo.com/wp-content/uploads/2022/07/Photoshop_2021_Version_2200_With_License_Key__Free_Download_MacWin.pdfIn PDF document text
    • https://elc-group.mk/wp-content/uploads/2022/07/Photoshop_CC_2018.pdfIn PDF document text
    • http://www.fithotech.com/wp-content/uploads/2022/07/Adobe_Photoshop_2020.pdfIn PDF document text
    • https://mapasconceptuales.online/wp-content/uploads/2022/07/Adobe_Photoshop_CC_2015_Version_16_Crack_File_Only__Download_3264bit.pdfIn PDF document text
    • https://oknit.ru/wp-content/uploads/2022/07/Photoshop_2021_Version_2231_universal_keygen___With_License_Code_Free_Download_MacWin.pdfIn PDF document text
    • https://inkfinityyy.com/wp-content/uploads/2022/07/halsbil.pdfIn PDF document text
    • https://ministryoftheword.org/wp-content/uploads/2022/07/Photoshop_2021_Version_223_Keygen_Crack_Setup__Serial_Number_Full_Torrent.pdfIn PDF document text
    • https://esglaiart.es/wp-content/uploads/2022/07/hanyoor.pdfIn PDF document text
    • https://taavistea.com/wp-In PDF document text
    • https://www.goldwimpern.de/wp-In PDF document text
    • https://diontalent.nl/wp-In PDF document text
    • https://www.georgiacannabis.org/wp-In PDF document text
    • https://socks-dicarlo.com/wp-content/uploads/2022/07/Photoshop_2021_Version_2200_WitIn PDF document text
    • https://mapasconceptuales.online/wp-content/uploads/2022/07/Adobe_Photoshop_CC_201In PDF document text
    • https://oknit.ru/wp-content/uploads/2022/07/Photoshop_2021_Version_2231_universal_keyIn PDF document text
    • https://ministryoftheword.org/wp-content/uploads/2022/07/Photoshop_2021_Version_223_In PDF document text
    • http://lehmanbrotherbankruptcy.com/baimudan?boiled=naves&qwrvymugughvdg9zag9widiwmjegkfzlcnnpb24gmjiums4wkqqwr=booing&herpetic=zg93bmxvywr8vkc3wvrobgjuedhnvfkxtmprne1uvxdoshg4twpvnu1iedhlrtbwsuzkdmntundjbvz6y3lcyldfmu1vbejesuzzeulgqkvsbda&larsen=In PDF document text
    • https://diontalent.nl/wp-content/uploads/2022/07/photoshop_2022__mem_patch__torrent_free_updated_2022.pdfIn PDF document text
    • http://togacha.yolasite.com/resources/Adobe-Photoshop-EXpress-Free-2022.pdfIn PDF document text
    • https://trello.com/c/kcKg4WMR/89-photoshop-2021-version-2210-free-mac-winIn PDF document text
    • https://wakelet.com/wake/B_ygi3JUHNgc0PtD3QPB2In PDF document text
    • https://trello.com/c/0SJqcu8k/51-adobe-photoshop-cc-2019-crack-patch-license-key-full-for-windows-2022In PDF document text
    • https://wakelet.com/wake/KYhKj-uylar3nXK7rywgJIn PDF document text
    • https://wakelet.com/wake/aUv5wZDKSBRt-CfGsifoFIn PDF document text
    • http://tiafuhe.yolasite.com/resources/Photoshop-2021-Version-223-Free-Download-March2022.pdfIn PDF document text
    • http://www.tcpdf.orgIn PDF document text
    • https://trello.com/c/0SJqcu8k/51-adobe-photoshop-cc-2019-crack-patch-license-key-full-for-In PDF document text
    • http://tiafuhe.yolasite.com/resources/Photoshop-2021-Version-223-Free-Download-In PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://www.aiim.org/pdfa/ns/extension/In PDF document text
    +3 more URL(s)

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000ad5e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xAD5E 84508 bytes
SHA-256: 2b7ba551bea82cc3307397981c1dbeb1b78486f95f2eb14e5e58d4e1b24edb0c
font_01_sfnt_off0001354b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1354B 83036 bytes
SHA-256: 6d13e73e85a502a13969f6a5eaecd0b275a0868c045f80b7d64ed55d70678261