Malicious PDF — malware analysis report

Static analysis result for SHA-256 0f92b29898c8e180…

MALICIOUS

PDF

36.5 KB Created: 2021-05-23 23:16:34 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: b5bcef1c006ac881248e6c6041a08e7d SHA-1: b190429d40bf17efc33e053ab13f5f309992deda SHA-256: 0f92b29898c8e180e96b9d1c9191894b786574bc4d1c92765d23ebabcb6b2d8b
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to known malicious redirectors, including one that masquerades as a 'free Minecraft generator' or 'game hack'. The ML classifier strongly flagged this PDF as malicious. The embedded links likely lead to a second-stage download or phishing page.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9985

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.
  • PDF differential parser failed info PDF_DIFFERENTIAL_PARSE_FAILED
    The cross-check parser (pdfminer.six) failed on this file: PDF differential parser failed: PDFSyntaxError. Static heuristics still ran and any of their findings above are valid; only the differential cross-check signal is missing.
  • 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/get-minecraft-for-free-game-hack In PDF document text
    • http://bogatyr.com/images/does-coin-master-hack-work_GM406889139.pdfIn PDF document text
    • http://bogatyr.com/images/free-minecraft-pe-server_GM479516143.pdfIn PDF document text
    • http://bogatyr.com/images/free-vip-roblox_GM431946152.pdfIn PDF document text
    • http://bogatyr.com/images/free-tiktok-followers-no-downloads_GM835599320.pdfIn PDF document text
    • http://bogatyr.com/images/blox-supply-free-robux_GM431946152.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_off000034fe.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x34FE 25700 bytes
SHA-256: 8bf867d368968c90c27ac372e9a049e56ee3399a03371809f8f9c3826f5b4742
font_01_sfnt_off00007033.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7033 17712 bytes
SHA-256: 35f99bfb73b52248bbdf58e6e807942ea3200a6c0759a8418b864f3a1fae0a50

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