Malicious PDF — malware analysis report

Static analysis result for SHA-256 e3d6f42ec3c5639e…

MALICIOUS

PDF

36.9 KB Created: 2021-05-21 18:47:24 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 0716025d32b4c08cc8ae650b5089374e SHA-1: 71f85b2d7f58511a17ddb639ff81e321fffc506b SHA-256: e3d6f42ec3c5639eab575a6818983a532757e203ac95cf60bb86e8413677723e
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to redirectors and known malicious infrastructure, disguised as game hack generators. The document body and heuristics indicate a lure for 'free spins' and 'game hacks', which is a common social engineering tactic. The presence of embedded URLs and the ML classifier's high confidence score support this assessment.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9447

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.xyz/app/406889139/coin-master-free-spins-link-blogspot-2021-game-hack In PDF document text
    • http://shahriyarclimb.com/images/how-to-hack-m-coins-mcpe-master_GM406889139.pdfIn PDF document text
    • http://shahriyarclimb.com/images/free-robux-no-verification-no-download-2021_GM431946152.pdfIn PDF document text
    • http://shahriyarclimb.com/images/minecraft-alt-accounts-free_GM479516143.pdfIn PDF document text
    • http://shahriyarclimb.com/images/how-to-get-free-skins-in-roblox_GM431946152.pdfIn PDF document text
    • http://shahriyarclimb.com/images/ultimate-free-spins-coin-master_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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_002_off000033a9.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x33A9 25112 bytes
SHA-256: 267558609fd0d15b5db275fc2c260cc30ee7e8e43be5a657fdbb6f5bcf287f90
font_01_sfnt_off00006ccf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6CCF 19036 bytes
SHA-256: a1db0e26d638f2546736f1f7b434dee98a1c5e726f40723477b7c203db66759e

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