Malicious PDF — malware analysis report

Static analysis result for SHA-256 d51a62e1063b8028…

MALICIOUS

PDF

113.1 KB Created: 2022-07-18 03:00:15 +00:00 Authoring application: balfaby (via PDF Master 1.0.1) First seen: 2026-05-17
MD5: 3346e68f9c826b97189bec62b087ea64 SHA-1: 4ab9f4b0c7de9eab88454e6eb707713df3c275fd SHA-256: d51a62e1063b8028eaa6fd1b0d2559286f2109ae1867afe172505fb9e0cad41a
219 Risk Score

Machine Learning

  • Nyx PDF Classifier clean score 0.0015

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.
  • 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 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.
  • 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.
  • 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://starsearchtool.com/columnist/humerous/jeuness.negresco/bm9lcnUgbmF0c3VtaSBnb2QgMDMxIC5hdmkuMDA2IDIbm9?lodestone&ZG93bmxvYWR8Qm0xY0c5NmVIeDhNVFkxT0RBd05qWTVPWHg4TWpVNU1IeDhLRTBwSUZkdmNtUndjbVZ6Y3lCYldFMU1VbEJESUZZeUlGQkVSbDA PDF link annotation
    • https://ccptwo.com/?p=26875In PDF document text
    • http://www.freecouponsaving.com/wp-content/uploads/2022/07/luxor_game_free_download_full_version_for_laptop.pdfIn PDF document text
    • http://yogaapaia.it/archives/55329In PDF document text
    • https://brandyallen.com/2022/07/18/ytd-video-downloader-pro-4-9-0-3-crack-cracked/In PDF document text
    • https://ubipharma.pt/2022/07/18/sonnenfreunde-kinder-der-sonne/In PDF document text
    • https://unboxguru.com/wp-content/uploads/2022/07/erhorv.pdfIn PDF document text
    • http://www.ndvadvisers.com/nexus-2-with-dance-vol-2-expansion-better/In PDF document text
    • http://iptvpascher.com/?p=46585In PDF document text
    • http://www.dblxxposure.com/wp-content/uploads/2022/07/Adobe_Acrobat_XI_Professional_1107_Keygen_LINKCORE_XFORCE_Keygen_LINK.pdfIn PDF document text
    • http://feelingshy.com/wp-content/uploads/2022/07/Pen_Drive_Data_Recovery_V2015_SERIAL_Serial_Key_PATCHED.pdfIn PDF document text
    • https://listittt.com/wp-content/uploads/2022/07/PRO100_520_Serial_Key.pdfIn PDF document text
    • https://www.pamelafiorini.it/2022/07/18/archicad-16-ita-download-crack-internet-better/In PDF document text
    • https://instafede.com/horus-rising-audio-book-unabridged-download-movies-extra-quality/In PDF document text
    • https://farmaciacortesi.it/wp-content/uploads/2022/07/Pirates_2_Stagnettis_Revenge_Unrated_Movie2k_2021.pdfIn PDF document text
    • https://bromedistrict.com/jeppview-cycle-calculation-keygen-2021/In PDF document text
    • https://mashxingon.com/grand-ages-rome-gold-edition-serial-verified/In PDF document text
    • https://acquire-business.com/wp-content/uploads/2022/07/Official_Wiko_View_2_Plus_WP210_Stock_Rom.pdfIn PDF document text
    • https://psychomotorsports.com/snowmobiles/38610-microsoft-office-word-2007-thethingy-64-bit-__hot__/In PDF document text
    • https://guc.lt/wp-content/uploads/2022/07/sarleod.pdfIn PDF document text
    • http://starsearchtool.com/columnist/humerous/jeuness.negresco/bm9lcnugbmf0c3vtasbnb2qgmdmxic5hdmkumda2idibm9?lodestone&zg93bmxvywr8qm0xy0c5nmviedhnvfkxt0rbd05qwtvpwhg4twpvnu1iedhlrtbwsuzkdmntundjbvz6y3lcyldfmu1vbejesuzzeulgqkvsbdaIn PDF document text
    • http://www.dblxxposure.com/wp-content/uploads/2022/07/adobe_acrobat_xi_professional_1107_keygen_linkcore_xforce_keygen_link.pdfIn 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_off00001928.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1928 84508 bytes
SHA-256: 2b7ba551bea82cc3307397981c1dbeb1b78486f95f2eb14e5e58d4e1b24edb0c
font_01_sfnt_off0000a114.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA114 83036 bytes
SHA-256: 6d13e73e85a502a13969f6a5eaecd0b275a0868c045f80b7d64ed55d70678261