Malicious PDF — malware analysis report

Static analysis result for SHA-256 a29e3fa2c2307959…

MALICIOUS

PDF

34.8 KB Created: 2021-06-19 21:59:53 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 6cba8254a57d13031349f67371745cfd SHA-1: 96b22bd5a36b031054cebd94ff95fceee9110d61 SHA-256: a29e3fa2c23079595b2af1618e37481896b4c307a625f211dbf32ae0f423a3b2
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links, including one that redirects to known malicious infrastructure. The document body and embedded links suggest a lure for free game currency (Robux, Coin Master), which is a common social engineering tactic. The ML classifier also flagged this PDF with high confidence.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector critical PDF_GAME_HACK_REDIRECT_LURE
    PDF's clickable action targets a redirector of the form /app/<id>/<slug>-game-hack — the landing-page shape of a large SEO 'free spins / generator / game hack' lure family that funnels victims through rotating disposable hosts to a malware/scam payload. The multi-link variants also trip ML/link-farm rules; this catches the single-link variants that otherwise score clean. CRITICAL on its own: the /app/<id>/<slug>-game-hack path shape is unambiguous scam infra, and the host rotates so a host-list match can't be relied on.
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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
  • 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://netcdn.co/app/431946152/how-to-get-free-robux-by-a-roblox-code-game-hack In PDF document text
    • https://e-learning-man1polman.com/__statics/gudangsoal/files/free-robux-hack-no-verification_GM431946152.pdfIn PDF document text
    • https://e-learning-man1polman.com/__statics/gudangsoal/files/free-robux-games-that-actually-work-2021_GM431946152.pdfIn PDF document text
    • https://e-learning-man1polman.com/__statics/gudangsoal/files/free-robux-earn_GM431946152.pdfIn PDF document text
    • https://e-learning-man1polman.com/__statics/gudangsoal/files/free-roblox-id-codes_GM431946152.pdfIn PDF document text
    • https://e-learning-man1polman.com/__statics/gudangsoal/files/hack-coin-master-xyz_GM406889139.pdfIn PDF document text
    • https://e-learning-man1polman.com/__statics/gudangsoal/files/wwwcoin-master-free-spincom_GM406889139.pdfIn PDF document text
    • https://e-learning-man1polman.com/__statics/gudangsoal/files/fbchampion-com_GM406889139.pdfIn PDF document text
    • https://e-learning-man1polman.com/__statics/gudangsoal/files/roebucks-on-roblox_GM431946152.pdfIn PDF document text
    • https://e-learning-man1polman.com/__statics/gudangsoal/files/free-robux-generator-2021_GM431946152.pdfIn PDF document text
    • https://e-learning-man1polman.com/__statics/gudangsoal/files/coin-master-hack-android-root_GM406889139.pdfIn PDF document text
    • https://e-learning-man1polman.com/__statics/gudangsoal/files/how-to-play-roblox-for-free_GM431946152.pdfIn PDF document text
    • https://e-learning-man1polman.com/__statics/gudangsoal/files/roblox-redeem-hack_GM431946152.pdfIn PDF document text
    • https://e-learning-man1polman.com/__statics/gudangsoal/files/free-robux-without-human-verification-real_GM431946152.pdfIn PDF document text
    • https://e-learning-man1polman.com/__statics/gudangsoal/files/20210-robux_GM431946152.pdfIn PDF document text
    • https://e-learning-man1polman.com/__statics/gudangsoal/files/roblox-booga-booga-hack_GM431946152.pdfIn PDF document text
    • https://e-learning-man1polman.com/__statics/gudangsoal/files/robux-generator-no-survey_GM431946152.pdfIn PDF document text
    • https://e-learning-man1polman.com/__statics/gudangsoal/files/how-to-hack-coin-master-with-game-guardian_GM406889139.pdfIn PDF document text
    • https://e-learning-man1polman.com/__statics/gudangsoal/files/minecraft-the-complete-handbook-collection_GM479516143.pdfIn PDF document text
    • https://e-learning-man1polman.com/__statics/gudangsoal/files/town-roblox-hacker_GM431946152.pdfIn PDF document text
    • https://e-learning-man1polman.com/__statics/gudangsoal/files/promobilemafiacom-robux-cheats_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000030eb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x30EB 22036 bytes
SHA-256: 3d047ccc74b03319ad4d5354a198c5bcec96313a1c495283d725b472c16d2cc0
font_01_sfnt_off00006193.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6193 19412 bytes
SHA-256: 4eb1a97c75ad85a2184c7ed3e61c3d0f6756a6678fa16bf5263aefe552ac5657

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