Malicious PDF — malware analysis report

Static analysis result for SHA-256 267f0d3b34f8b5e4…

MALICIOUS

PDF

31.1 KB Created: 2021-06-10 23:17:57 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: a93bd930ebd05ab655dc1c8bb102b798 SHA-1: 3108d1f6b28250e6600c6de08cd7cd2b31351d2b SHA-256: 267f0d3b34f8b5e4628346508b0e17a05d8f4a07edbad3aacd0ca2871790c89c
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains multiple links designed to lure users into clicking on them by promising free game currency or hacks. The primary link redirects to a known malicious domain, indicating a phishing or scam attempt. While no scripts were explicitly extracted, the PDF structure and embedded links suggest an attempt to redirect the user to malicious websites, likely for credential harvesting or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9995

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.tw/app/431946152/uirbx-club-free-robux-game-hack In PDF document text
    • http://force-seniorklub.dk/images/free-robux-generator-2021-without-human-verification_GM431946152.pdfIn PDF document text
    • http://force-seniorklub.dk/images/coin-master-official-website_GM406889139.pdfIn PDF document text
    • http://force-seniorklub.dk/images/moonactive-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://force-seniorklub.dk/images/free-robux-gift-card-generator_GM431946152.pdfIn PDF document text
    • http://force-seniorklub.dk/images/how-to-get-free-robux-by-pressing-g_GM431946152.pdfIn PDF document text
    • http://force-seniorklub.dk/images/minecraft-windows-10-edition-hacked-client_GM479516143.pdfIn PDF document text
    • http://force-seniorklub.dk/images/roblox-hack-xbox-one_GM431946152.pdfIn PDF document text
    • http://force-seniorklub.dk/images/get-free-robux-today_GM431946152.pdfIn PDF document text
    • http://force-seniorklub.dk/images/how-to-get-cool-shirts-for-free-in-roblox_GM431946152.pdfIn PDF document text
    • http://force-seniorklub.dk/images/coin-master-free-spin-codes_GM406889139.pdfIn PDF document text
    • http://force-seniorklub.dk/images/free-spin-coin-master-twitter_GM406889139.pdfIn PDF document text
    • http://force-seniorklub.dk/images/roblox-games-that-cheat-engine-works-on_GM431946152.pdfIn PDF document text
    • http://force-seniorklub.dk/images/get-robux-for-free-2021_GM431946152.pdfIn PDF document text
    • http://force-seniorklub.dk/images/free-robux-2021-no-verification_GM431946152.pdfIn PDF document text
    • http://force-seniorklub.dk/images/free-robux-just-enter-username-and-password_GM431946152.pdfIn PDF document text
    • http://force-seniorklub.dk/images/minecraft-windows-free_GM479516143.pdfIn PDF document text
    • http://force-seniorklub.dk/images/get-me-robux-for-free_GM431946152.pdfIn PDF document text
    • http://force-seniorklub.dk/images/cb-ro-hack-roblox_GM431946152.pdfIn PDF document text
    • http://force-seniorklub.dk/images/free-robux-ad_GM431946152.pdfIn PDF document text
    • http://force-seniorklub.dk/images/roblox-rs-hack_GM431946152.pdfIn 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_004_off0000506b.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x506B 17689 bytes
SHA-256: 5a25e9f9452e739201f269b06edd376d8f48b097ded40836ead98c2621f43e1a

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