Malicious PDF — malware analysis report

Static analysis result for SHA-256 093ca2aa299efeec…

MALICIOUS

PDF

39.5 KB Created: 2021-05-20 18:10:04 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 61274a11f6e0cc15c85d97939d98323f SHA-1: a2bc306cdbda4f71065f31de9a86da5cc4f9b9f4 SHA-256: 093ca2aa299efeec0abe302a191112010f656138e5f335099de8654c78f450ee
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to redirectors and potentially malicious domains, masquerading as a 'free generator' or 'game hack' lure. The document body explicitly contains a call-to-action phrase 'CLICK HERE TO ACCESS COIN MASTER GENERATOR' and directs users to download files from suspicious URLs. The ML classifier also flagged this PDF as malicious.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8060

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/free-spins-coin-master-2021-game-hack In PDF document text
    • http://elektrofahrspass.de/images/coin-master-app-free-download_GM406889139.pdfIn PDF document text
    • http://elektrofahrspass.de/images/roblox-hack-2021_GM431946152.pdfIn PDF document text
    • http://elektrofahrspass.de/images/coin-master-free-spins-5-10-2021_GM406889139.pdfIn PDF document text
    • http://elektrofahrspass.de/images/coin-master-links-for-today_GM406889139.pdfIn PDF document text
    • http://elektrofahrspass.de/images/free-spins-coin-master-daily_GM406889139.pdfIn 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_002_off0000344f.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x344F 25836 bytes
SHA-256: fe38dce193c7fe19e80c4123eda5c373b0967ace8ab151abd295c0b46e582444
font_01_sfnt_off00006f33.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6F33 2840 bytes
SHA-256: 3fb127b764b9d10f5525bc4de5ec8316de704409ccb0cf21cff3ad8a30d11676
font_02_sfnt_off000078e4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x78E4 18288 bytes
SHA-256: 9732707b45c862b7a6ef8ea2418900def9be3650c6b325207d932644f64622ad

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