Malicious PDF — malware analysis report

Static analysis result for SHA-256 ac947051dad40dd9…

MALICIOUS

PDF

42.8 KB Created: 2021-05-19 03:02:56 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25
MD5: fd5f1cc0b554d3fbc59cac388d0927f3 SHA-1: 48e97e7e60ee4433cc8c2ca37896b7356b9d83bc SHA-256: ac947051dad40dd9964d13dce9789430d4cf58fb9de6cc65c606e7ce92883acf
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 0.9971

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 https://netcdn.xyz/app/431946152/promo-codes-to-get-free-robux-game-hack PDF link annotation
    • http://demenagementlandry.com/images/how-to-get-hacks-on-roblox_GM431946152.pdfIn PDF document text
    • http://demenagementlandry.com/images/robux-generator-no-human-verification_GM431946152.pdfIn PDF document text
    • http://demenagementlandry.com/images/free-back-accessories-roblox_GM431946152.pdfIn PDF document text
    • http://demenagementlandry.com/images/roblox-2021_GM431946152.pdfIn PDF document text
    • http://demenagementlandry.com/images/juego-hackeado-de-coin-master_GM406889139.pdfIn PDF document text
    • http://demenagementlandry.com/images/how-to-hack-coin-master-with-game-guardian_GM406889139.pdfIn PDF document text
    • http://demenagementlandry.com/images/robux-match_GM431946152.pdfIn PDF document text
    • http://demenagementlandry.com/images/coin-master-hack-pc-free_GM406889139.pdfIn PDF document text
    • http://demenagementlandry.com/images/free-spins-coin-master-blogspot_GM406889139.pdfIn PDF document text
    • http://demenagementlandry.com/images/coin-master-hack-tool-2021_GM406889139.pdfIn PDF document text
    • http://demenagementlandry.com/images/free-fire-coin-master_GM406889139.pdfIn PDF document text
    • http://demenagementlandry.com/images/flip-master-coins-hack_GM406889139.pdfIn PDF document text
    • http://demenagementlandry.com/images/best-free-roblox-outfits_GM431946152.pdfIn PDF document text
    • http://demenagementlandry.com/images/minecraft-114-4-download-free_GM479516143.pdfIn PDF document text
    • http://demenagementlandry.com/images/free-robux-hack_GM431946152.pdfIn PDF document text
    • http://demenagementlandry.com/images/pop-slots-free-vegas-casino-slot-machine-game-coin-master_GM406889139.pdfIn PDF document text
    • http://demenagementlandry.com/images/how-to-get-free-robux-instantly_GM431946152.pdfIn PDF document text
    • http://demenagementlandry.com/images/coin-master-free-spin-link-today-16-11-2021_GM406889139.pdfIn PDF document text
    • http://demenagementlandry.com/images/coin-master-free-spins-hack-download_GM406889139.pdfIn PDF document text
    • http://demenagementlandry.com/images/robux-adder_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
stream_003_off00004719.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4719 26492 bytes
SHA-256: 5fb5e1545c5c6d67fb23ecb6e582d373b18f9657d00746e879b3234004398b66
font_01_sfnt_off000083c0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x83C0 18704 bytes
SHA-256: 994ba2c21992eebcab5dcb0bf7b99b22a17e2009da779e2696cdc2096136ed4a

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