Malicious PDF — malware analysis report

Static analysis result for SHA-256 2e004f73eb6f4379…

MALICIOUS

PDF

40.3 KB Created: 2021-05-18 00:03:10 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 60e9a327dfaa7f4dcec506319310274e SHA-1: 15863c426f8f0d4463975e12d76d3db585375243 SHA-256: 2e004f73eb6f43799c9bfb0d1ae8cf5ca485a7de4e117cd69bb0c96556465dc7
130 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF contains a critical heuristic firing for a malicious redirector link, specifically pointing to a lure for a 'game hack' or 'generator'. The document body also contains a prominent 'CLICK HERE TO ACCESS MINECRAFT GENERATOR' call to action, reinforcing the phishing pretext. While no scripts were extracted, the embedded URL is highly suspicious and likely leads to a further stage of infection or a phishing site.

Machine Learning

  • Nyx PDF Classifier clean score 0.0128

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/479516143/aternos-free-minecraft-server-game-hack In PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off000036c2.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x36C2 25924 bytes
SHA-256: 253127c037597f722195287a4c3d01ff7d8016229e9611b34fb66c098406c17d
font_01_sfnt_off0000727a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x727A 3204 bytes
SHA-256: 56aa5934300a4983390a4e854d5897e6c914621f5942fcb7a978a389b927b6e5
font_02_sfnt_off00007d8c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7D8C 17824 bytes
SHA-256: 04e228694d9982d1c7efe163f2653fab57675f1ecbbe7e635aa0b095f728f7e2

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