Malicious PDF — malware analysis report

Static analysis result for SHA-256 06c4ab8cbc371aa6…

MALICIOUS

PDF

34.2 KB Created: 2021-05-22 19:35:31 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: ca1f0b05828d7e90b4c4d5153ddd3a0f SHA-1: 8e575faf661d41ea54c6c84224872563f857be09 SHA-256: 06c4ab8cbc371aa6b70bc4ea6687168a14d1a0dfb61d09e9a8701b3296d2f85d
160 Risk Score

Malware Insights

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

The PDF contains multiple links to known malicious redirectors, specifically disguised as 'free generator' or 'game hack' lures. The document body also contains a prominent call-to-action to 'CLICK HERE TO ACCESS TIKTOK GENERATOR' which points to a malicious URL. These elements indicate a phishing or scam attempt designed to redirect users to potentially harmful content or further malicious sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9508

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/835599320/tiktok-views-free-game-hack In PDF document text
    • http://vedrachemicals.ro/images/roblox-free-skin_GM431946152.pdfIn PDF document text
    • http://vedrachemicals.ro/images/robux-com-free-robux_GM431946152.pdfIn PDF document text
    • http://vedrachemicals.ro/images/coin-master-free-spins-link-june-2021_GM406889139.pdfIn PDF document text
    • http://vedrachemicals.ro/images/how-to-hack-roblox-accounts-for-robux_GM431946152.pdfIn PDF document text
    • http://vedrachemicals.ro/images/coin-master-15-free-spin-link-of-last-5-days_GM406889139.pdfIn 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_002_off00003084.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3084 23484 bytes
SHA-256: e9a4a553ced74e7e6f46f4ab95ef04b472715c8fcb92454db4671acbcaf8dac5
font_01_sfnt_off000065ab.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x65AB 17752 bytes
SHA-256: ed90b125ba9f9ca56523df41571dae51d579609882fb5a6f38a0996a644814a5

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