Malicious PDF — malware analysis report

Static analysis result for SHA-256 2c8c12d1417a7b1a…

MALICIOUS

PDF

39.0 KB Created: 2021-05-19 23:37:34 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 8b80afb7d460a3a22d296386bce28d8d SHA-1: e05f42594d79542cbb0a31b111326d3c34453608 SHA-256: 2c8c12d1417a7b1aaa89992242903be577c38ad69d8e3c67d4356d013958c222
130 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains embedded links that redirect to known malicious infrastructure, specifically advertising a 'Pokemon Go Free Online Download Game Hack'. The document body and heuristics indicate a lure to trick users into clicking these links, likely to download further malware or redirect to phishing sites. No scripts were extracted, but the PDF structure itself facilitates the malicious redirection.

Machine Learning

  • Nyx PDF Classifier clean score 0.0334

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/1094591345/pokemon-go-free-online-download-game-hack In 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_003_off000033af.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x33AF 29504 bytes
SHA-256: 12eec42632719b5d27f4e44ae0a2725950d4d777377a31ba67ba2ae597d9ea7a
font_01_sfnt_off00007646.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7646 18772 bytes
SHA-256: 1dfa3a6a07d8b8a295fd9bbd9633042852d0cc2f5ecba2016a68e087e56290e0

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