Malicious PDF — malware analysis report

Static analysis result for SHA-256 9b9c3c6cd75c9795…

MALICIOUS

PDF

24.8 KB Created: 2021-06-19 11:28:18 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-11-25
MD5: d08ea4ca0d32769484dc26c9cd7053bd SHA-1: 986a5a79cd138b37579b8b17483523bebb4c63bf SHA-256: 9b9c3c6cd75c979599c7b8323813273e958319c89a5e78523df5745a010f9a7c
172 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to websites offering game hacks and free currency, with one link pointing to known malicious redirector infrastructure. The document body and embedded URLs suggest a lure for users seeking in-game advantages, which is a common social engineering tactic. The presence of embedded URLs and the nature of the lures strongly indicate an attempt to redirect users to malicious sites, likely for further exploitation or malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9948

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.
  • Clickable URI points to raw IP address medium PDF_URI_IP_LITERAL
    PDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
  • 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/hack-for-sex-in-roblox-game-hack In PDF document text
    • http://202.56.165.220/digilab/repository/coin-master-free-spins-hack-no-human-verification_GM406889139.pdfPDF link annotation
    • http://202.56.165.220/digilab/repository/free-100-robux_GM431946152.pdfIn PDF document text
    • http://202.56.165.220/digilab/repository/hack-my-game-xyz-coin-master_GM406889139.pdfIn PDF document text
    • http://202.56.165.220/digilab/repository/www-robux-com_GM431946152.pdfIn PDF document text
    • http://202.56.165.220/digilab/repository/free-robux-group-payouts_GM431946152.pdfIn PDF document text
    • http://202.56.165.220/digilab/repository/robux-no-human-verification-2021_GM431946152.pdfIn PDF document text
    • http://202.56.165.220/digilab/repository/get-me-free-robux_GM431946152.pdfIn PDF document text
    • http://202.56.165.220/digilab/repository/coin-master-free-spins-hack-download_GM406889139.pdfIn PDF document text
    • http://202.56.165.220/digilab/repository/free-coin-master-s_GM406889139.pdfIn PDF document text
    • http://202.56.165.220/digilab/repository/how-to-get-minecraft-bedrock-edition-on-pc-for-free_GM479516143.pdfIn PDF document text
    • http://202.56.165.220/digilab/repository/free-robux-hack-2021_GM431946152.pdfIn PDF document text
    • http://202.56.165.220/digilab/repository/free-robux-codes-2021_GM431946152.pdfIn PDF document text
    • http://202.56.165.220/digilab/repository/minecraft-hacked-apk_GM479516143.pdfIn PDF document text
    • http://202.56.165.220/digilab/repository/coin-master-free-spins-and-coins-2021_GM406889139.pdfIn PDF document text
    • http://202.56.165.220/digilab/repository/coin-master-spin-blogspot_GM406889139.pdfIn PDF document text
    • http://202.56.165.220/digilab/repository/minecraft-free-minecoins_GM479516143.pdfIn PDF document text
    • http://202.56.165.220/digilab/repository/free-minecraft-skins-ps4_GM479516143.pdfIn PDF document text
    • http://202.56.165.220/digilab/repository/pubg-uc-new-redeem-code_GM1330123889.pdfIn PDF document text
    • http://202.56.165.220/digilab/repository/roblox-hack-noclip-download-pc-2021_GM431946152.pdfIn PDF document text
    • http://202.56.165.220/digilab/repository/robux-gratis-2021-pc-hack_GM431946152.pdfIn PDF document text

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