Malicious PDF — malware analysis report

Static analysis result for SHA-256 30aa3ee905acb1fc…

MALICIOUS

PDF

31.0 KB Created: 2021-07-18 22:43:06 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 6442fb12b79da3a799e0fee5fac4c607 SHA-1: 2aef4e2f8448fdd48f392d24b5c742eb920d5871 SHA-256: 30aa3ee905acb1fc68df8f5dafa582d717195c429b7c2ad0b929e0ba794fef82
130 Risk Score

Malware Insights

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

The PDF contains a malicious link disguised as a 'free generator' or 'game hack', which is a common lure for phishing or malware distribution. The link points to a known malicious redirector infrastructure. The document body also contains explicit calls to action like 'CLICK HERE TO ACCESS TIKTOK GENERATOR', reinforcing the deceptive nature of the lure.

Machine Learning

  • Nyx PDF Classifier clean score 0.0564

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 http://netcdn.tw/app/835599320/hack-tiktok-fans-free-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
font_00_sfnt_off00002845.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2845 22444 bytes
SHA-256: b2ccbc31238d2c04bd9b907120d12bb8d10354106220d5be1c21560ac08c24d1
font_01_sfnt_off000059af.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x59AF 17684 bytes
SHA-256: 3b18324811ff9b2016b67c954de883c0131a9d703a91aa0a24a49898f2a8c27e

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