Malicious PDF — malware analysis report

Static analysis result for SHA-256 309644de721299af…

MALICIOUS

PDF

34.6 KB Created: 2021-07-05 21:55:00 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-18
MD5: 35756744b024c742121ef4d16e4d663a SHA-1: aafcf9c3bf1bf9fe30dfddf1346c75c6737f680f SHA-256: 309644de721299af9f68aae39199c4742bd9fcd4422deaf4e6d45a0283048e42
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by an ML classifier. The file routes users through malicious redirector infrastructure and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector high 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.
  • 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://netcdn.tw/app/479516143/plug-toolbox-for-minecraft-free-ios-game-hack PDF link annotation
    • http://perpus.polimarim.online/repository/cheats-to-get-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://perpus.polimarim.online/repository/free-robux-no-survey-no-offers_GM431946152.pdfIn PDF document text
    • http://perpus.polimarim.online/repository/real-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://perpus.polimarim.online/repository/hack-en-roblox-robux_GM431946152.pdfIn PDF document text
    • http://perpus.polimarim.online/repository/how-to-get-a-dj-pass-for-free-on-roblox_GM431946152.pdfIn PDF document text
    • http://perpus.polimarim.online/repository/fan-page-coin-master_GM406889139.pdfIn PDF document text
    • http://perpus.polimarim.online/repository/roblox-hack-codes-2021_GM431946152.pdfIn PDF document text
    • http://perpus.polimarim.online/repository/roblox-free-robux-easy-hack_GM431946152.pdfIn PDF document text
    • http://perpus.polimarim.online/repository/free-draw-on-roblox_GM431946152.pdfIn PDF document text
    • http://perpus.polimarim.online/repository/coin-master-free-gifts_GM406889139.pdfIn PDF document text
    • http://perpus.polimarim.online/repository/sb-game-hacker-coin-master_GM406889139.pdfIn PDF document text
    • http://perpus.polimarim.online/repository/how-to-get-free-minecraft-alts_GM479516143.pdfIn PDF document text
    • http://perpus.polimarim.online/repository/how-to-hack-roblox-accounts-2021-on-ipad_GM431946152.pdfIn PDF document text
    • http://perpus.polimarim.online/repository/blue-hack-roblox-download_GM431946152.pdfIn PDF document text
    • http://perpus.polimarim.online/repository/giftrobux-com-generator_GM431946152.pdfIn PDF document text
    • http://perpus.polimarim.online/repository/roblox-hair-free-girl-pink_GM431946152.pdfIn PDF document text
    • http://perpus.polimarim.online/repository/roblox-hack-robux-com_GM431946152.pdfIn PDF document text
    • http://perpus.polimarim.online/repository/how-to-join-someones-game-in-roblox-hack_GM431946152.pdfIn PDF document text
    • http://perpus.polimarim.online/repository/free-robux-generator-2021-no-survey_GM431946152.pdfIn PDF document text
    • http://perpus.polimarim.online/repository/fly-hack-fe-script-roblox-exploit_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003434.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3434 21536 bytes
SHA-256: c353475cf06fa396a90792b122a521a28cf30f5beb6ef86326f178662025a00b
font_01_sfnt_off0000637f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x637F 18736 bytes
SHA-256: 9cf7fe8b5647e01d4eb492bc675b0c64d11ed2e32af9da0d2909089a9be9f8b8

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