Malicious PDF — malware analysis report

Static analysis result for SHA-256 0e1b875486e8cc31…

MALICIOUS

PDF

40.3 KB Created: 2021-05-23 06:07:59 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 948338c0ef378c101f6f81aa7214290f SHA-1: b144eaa1ddbe38c03468c1b75f00c7155d4758b6 SHA-256: 0e1b875486e8cc31cfa7d1059dc3a1ebd6a3ab1f5899638e08531b7b7f796892
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links that redirect to a known malicious infrastructure, masquerading as a game hack or generator. The document body and embedded links suggest a lure for users to download further content, likely a second-stage payload. No scripts were extracted, but the presence of malicious redirector links and the 'free generator' lure strongly indicate a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7718

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/431946152/free-robux-gift-card-codes-2021-game-hack In PDF document text
    • http://mycookingpot.com/images/free-robux-hack-2021_GM431946152.pdfIn PDF document text
    • http://mycookingpot.com/images/robux-free-online_GM431946152.pdfIn PDF document text
    • http://mycookingpot.com/images/coin-master-free-spin-and-coin-links_GM406889139.pdfIn PDF document text
    • http://mycookingpot.com/images/free-robux-for-kids-no-verification_GM431946152.pdfIn PDF document text
    • http://mycookingpot.com/images/coin-master-hack-8-ball-pool_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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000031d6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x31D6 24944 bytes
SHA-256: f52082caf2f2c77ab85cc350379f1e7255c97b7fe0d1fa38688ce6bad4367238
font_01_sfnt_off00006b2a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6B2A 6100 bytes
SHA-256: f866077ce59d6ea276f75e4af76daa2aab5f3a1a679df144776123d85664d65c
font_02_sfnt_off000079b5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x79B5 19044 bytes
SHA-256: a83203ba6d4d8e4db234da74518c811315008a13a6a61ff598d06d89853e7c2b

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