Malicious PDF — malware analysis report

Static analysis result for SHA-256 cbe3c5ad977a47a0…

MALICIOUS

PDF

119.6 KB Created: 2022-07-18 15:09:58 +00:00 Authoring application: idelber (via PDF Master 1.0.1) First seen: 2026-04-24
MD5: 0966be2ceb2c55303332ab21fe6e229a SHA-1: f14131b7a2f660302c62bb45f0ef5e7c37f1e5c9 SHA-256: cbe3c5ad977a47a027cc306bb848e24b2c034dfa3c373526f1e68bc80c72366f
197 Risk Score

Machine Learning

  • Nyx PDF Classifier clean score 0.0007

Heuristics 7

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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.
  • 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 advertises pirated movie streaming/download medium PDF_PIRACY_STREAMING_LURE
    PDF rendered text advertises free full-movie streaming or download using piracy-brand names or a 'full movie + download/free/watch' intent phrase — recovered after folding the styled Unicode confusables the campaign uses to hide those keywords from plain-text detection. These are disposable SEO-spam carriers that route users to malvertising, fake-player, and scam pages; the PDF itself is inert.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://blogbasters.com/attending/hypertension/tributary.pajamas?SmFnYWRla2EgVmVlcnVkdSBBdHRpbG9rYXN1bmRhcmkgaGQgZnVsbCBtb3ZpZSBkb3dubG9hZASmF&longhini&meticulous&peeter&ZG93bmxvYWR8ZTZJZUdzeE1ueDhNVFkxT0RBd05qWTVPWHg4TWpVNU1IeDhLRTBwSUZkdmNtUndjbVZ6Y3lCYldFMU1VbEJESUZZeUlGQkVSbDA PDF link annotation
    • https://techadarsh.com/wp-content/uploads/2022/07/yalepery.pdfIn PDF document text
    • http://bankekhodro.com/qazwsx123456/uploads/2022/07/Osl2000_Boot_Manager_Keygen_Free_FULL.pdfIn PDF document text
    • http://estatesdevelopers.com/wp-content/uploads/2022/07/Fiat_ePER_60_2011_rar.pdfIn PDF document text
    • http://realslant.com/?p=17222In PDF document text
    • https://giovanimaestri.com/2022/07/18/adobe-acrobat-x-pro-lite-portable-v10-0-2/In PDF document text
    • https://openld.de/wp-content/uploads/2022/07/finikaf.pdfIn PDF document text
    • http://yotop.ru/2022/07/18/unity-3d-fps-shooter-kit-free-download-_top_/In PDF document text
    • https://sauvage-atelier.com/advert/libro-sistema-de-produccion-toyota-por-taiichi-ohno-rapidshare-verified/In PDF document text
    • http://joshuatestwebsite.com/immo-universal-decoding-lt-3-2-__link__/In PDF document text
    • http://dokterapk.com/?p=16150In PDF document text
    • https://www.casaspisosyterrenos.com/wp-content/uploads/2022/07/Eagetmail_License_Key_EXCLUSIVE.pdfIn PDF document text
    • https://www.propertymajalengka.com/wp-content/uploads/2022/07/ParwaazHayJunoononlinefree_LINK.pdfIn PDF document text
    • https://wetraveleasy.com/2022/07/18/jatts-in-golmaal-punjabi-hd-movie-720p-_verified_/In PDF document text
    • https://dogrywka.pl/ezvid-download-free-full-version-better/In PDF document text
    • http://www.delphineberry.com/?p=25989In PDF document text
    • https://wardlincoln.com/wp-content/uploads/2022/07/ReLoader_Activator_Crack_33_Key_Full_Torrent_Free.pdfIn PDF document text
    • http://mirrordancehair.com/?p=5096In PDF document text
    • https://polegarage.de/wp-content/uploads/2022/07/Escort_Theme_Wordpress_EXCLUSIVE.pdfIn PDF document text
    • https://brightsun.co/adobe-postscript-printer-driver-free-download-windows-7-extra-quality/In PDF document text
    • http://camcasia.com/?p=25000In PDF document text
    • http://bankekhodro.com/qazwsx123456/uploads/2022/07/Osl2000_Boot_Manager_Keygen_Free_FULLIn PDF document text
    • https://sauvage-atelier.com/advert/libro-sistema-de-produccion-toyota-por-taiichi-ohno-rapidshare-In PDF document text
    • https://www.casaspisosyterrenos.com/wp-In PDF document text
    • https://www.propertymajalengka.com/wp-In PDF document text
    • https://wardlincoln.com/wp-In PDF document text
    • http://blogbasters.com/attending/hypertension/tributary.pajamas?smfnywrla2egvmvlcnvkdsbbdhrpbg9ryxn1bmrhcmkgagqgznvsbcbtb3zpzsbkb3dubg9hzasmf&longhini&meticulous&peeter&zg93bmxvywr8ztzjzudzee1uedhnvfkxt0rbd05qwtvpwhg4twpvnu1iedhlrtbwsuzkdmntundjbvz6y3lcyldfmu1vbejesuzzeulgqkvsbdaIn PDF document text
    • http://www.tcpdf.orgIn 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
    • http://www.aiim.org/pdfa/ns/schema#In PDF document text
    • http://www.aiim.org/pdfa/ns/property#In PDF document text
    • http://www.aiim.org/pdfa/ns/id/In PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002b92.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2B92 84508 bytes
SHA-256: 2b7ba551bea82cc3307397981c1dbeb1b78486f95f2eb14e5e58d4e1b24edb0c
font_01_sfnt_off0000b37e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB37E 83036 bytes
SHA-256: 6d13e73e85a502a13969f6a5eaecd0b275a0868c045f80b7d64ed55d70678261