Malicious PDF — malware analysis report

Static analysis result for SHA-256 6761531f7c1cbb3d…

MALICIOUS

PDF

37.8 KB Created: 2021-05-14 18:14:15 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-13
MD5: 097e0c178328047f7d8efa87e62c8800 SHA-1: 998f067f1f0d0e0766512a12b11ba86e59fe1d2c SHA-256: 6761531f7c1cbb3d1161a02c6468f50ff26f5e6199007f82421a9d678495ef98
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains multiple links that point to known malicious redirectors, specifically advertising game hacks and generators. The primary lure appears to be related to 'mcpe optifine game hack'. The embedded links are designed to redirect users to potentially harmful content, likely for distribution of malware or scams. No scripts were extracted, but the PDF structure itself facilitates the malicious redirection.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 3

  • 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.
  • 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/479516143/mcpe-optifine-game-hack In PDF document text
    • http://www.access-coiffure-tours.fr/images/mcpe-com_GM479516143.pdfIn PDF document text
    • http://www.access-coiffure-tours.fr/images/free-roebucks-com_GM431946152.pdfIn PDF document text
    • http://www.access-coiffure-tours.fr/images/how-to-get-minecraft-windows-10-for-free_GM479516143.pdfIn PDF document text
    • http://www.access-coiffure-tours.fr/images/coin-master-free-spins-daily_GM406889139.pdfIn PDF document text
    • http://www.access-coiffure-tours.fr/images/free-pe_GM479516143.pdfIn PDF document text
    • http://www.access-coiffure-tours.fr/images/how-to-make-a-free-minecraft-account_GM479516143.pdfIn PDF document text
    • http://www.access-coiffure-tours.fr/images/how-to-get-free-robux-hack_GM431946152.pdfIn PDF document text
    • http://www.access-coiffure-tours.fr/images/free-robux-safe_GM431946152.pdfIn PDF document text
    • http://www.access-coiffure-tours.fr/images/roblox-executor-free_GM431946152.pdfIn PDF document text
    • http://www.access-coiffure-tours.fr/images/coin-master-hack-unlimited-spins-apk-download_GM406889139.pdfIn PDF document text
    • http://www.access-coiffure-tours.fr/images/roblox-free-online-game_GM431946152.pdfIn PDF document text
    • http://www.access-coiffure-tours.fr/images/best-free-roblox-outfits_GM431946152.pdfIn PDF document text
    • http://www.access-coiffure-tours.fr/images/how-to-get-free-robux-easy-hack_GM431946152.pdfIn PDF document text
    • http://www.access-coiffure-tours.fr/images/get-free-robux-info_GM431946152.pdfIn PDF document text
    • http://www.access-coiffure-tours.fr/images/coin-master-hack-unlimited-spins_GM406889139.pdfIn PDF document text
    • http://www.access-coiffure-tours.fr/images/robux-money_GM431946152.pdfIn PDF document text
    • http://www.access-coiffure-tours.fr/images/roblox-free-models_GM431946152.pdfIn PDF document text
    • http://www.access-coiffure-tours.fr/images/coin-master-free-spins-link_GM406889139.pdfIn PDF document text
    • http://www.access-coiffure-tours.fr/images/roblox-free-play-no-download_GM431946152.pdfIn PDF document text
    • http://www.access-coiffure-tours.fr/images/coin-master-hack-blogspot_GM406889139.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 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off0000497f.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x497F 30800 bytes
SHA-256: a4ca3e935bfd1b2e7103a02d3d11d96dc8f05318ad2d37bdd032ed47b8d8322e

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