Malicious PDF — malware analysis report

Static analysis result for SHA-256 060a85743da330d4…

MALICIOUS

PDF

45.8 KB Created: 2021-06-11 13:25:37 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 4b6a273d7fc1e202d07efca6e8474716 SHA-1: 381faaa68e8a24a2ee24aedceab2e38173fbc129 SHA-256: 060a85743da330d4cc8b315587b3b2e9ced5c65ba28018e78ce8760d659a54cf
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to known malicious redirectors, specifically advertising 'free generator / game hack' lures. The document body, though truncated and containing artifacts, includes a URL that aligns with the heuristic findings. The primary purpose appears to be directing users to potentially malicious websites through social engineering.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9864

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.
  • 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
  • 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/get-free-robux-script-game-hack In PDF document text
    • http://szekelymozes.ro/images/coin-master-hack-game-download-ios_GM406889139.pdfIn PDF document text
    • http://szekelymozes.ro/images/minecraft-windows-10-free-trial_GM479516143.pdfIn PDF document text
    • http://szekelymozes.ro/images/free-coin-master-spins-blog_GM406889139.pdfIn PDF document text
    • http://szekelymozes.ro/images/hacks-and-cheats-for-coin-master_GM406889139.pdfIn PDF document text
    • http://szekelymozes.ro/images/cmo-ser-hacker-en-roblox_GM431946152.pdfIn PDF document text
    • http://szekelymozes.ro/images/roblox-robux-generator_GM431946152.pdfIn PDF document text
    • http://szekelymozes.ro/images/how-to-hack-coin-master-using-es-filer_GM406889139.pdfIn PDF document text
    • http://szekelymozes.ro/images/free-robux-gen_GM431946152.pdfIn PDF document text
    • http://szekelymozes.ro/images/coin-master-hack-2021-link_GM406889139.pdfIn PDF document text
    • http://szekelymozes.ro/images/roblox-tix-hack-no-download_GM431946152.pdfIn PDF document text
    • http://szekelymozes.ro/images/robux-hack-911-pastebin_GM431946152.pdfIn PDF document text
    • http://szekelymozes.ro/images/minecraft-116-free-download_GM479516143.pdfIn PDF document text
    • http://szekelymozes.ro/images/coin-master-heaven-free-spins-today_GM406889139.pdfIn PDF document text
    • http://szekelymozes.ro/images/how-to-get-minecraft-for-free-on-mobile_GM479516143.pdfIn PDF document text
    • http://szekelymozes.ro/images/free-minecraft-hacks_GM479516143.pdfIn PDF document text
    • http://szekelymozes.ro/images/coin-master-free-spins-link-blogspot-today_GM406889139.pdfIn PDF document text
    • http://szekelymozes.ro/images/roblox-free-robux-no-human-verification_GM431946152.pdfIn PDF document text
    • http://szekelymozes.ro/images/how-can-i-play-minecraft-for-free_GM479516143.pdfIn PDF document text
    • http://szekelymozes.ro/images/free-gfx-roblox_GM431946152.pdfIn PDF document text
    • http://szekelymozes.ro/images/inject-hack-robux-com_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_004_off000050b2.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x50B2 27128 bytes
SHA-256: 84cb0f26a1264e1cde9109fed06f17cd9613983a3cc151603e523d0b8d80c415
font_01_sfnt_off0000902b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x902B 18416 bytes
SHA-256: 8436e5bb889eba227409efb98eb952253f9543224ea82eb8b1e9d25d886082f5

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