Malicious PDF — malware analysis report

Static analysis result for SHA-256 be598a40a7335017…

MALICIOUS

PDF

39.6 KB Created: 2021-05-22 00:38:33 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 5d4dc5fcc91347fa94728e0a1069bdfa SHA-1: acc14a7899eff239861c02d90edf5383d42292fd SHA-256: be598a40a7335017b27410e23c806330a19aa7bbeefc2937e50b04c823c7ef85
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to websites offering 'free generators' or 'game hacks', a common lure for phishing or malware distribution. The ML classifier also flagged the PDF as malicious. While no scripts were explicitly extracted, the PDF structure and embedded URLs suggest an attempt to redirect the user to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8060

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector high 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.
  • 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
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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/how-to-get-free-likes-on-tiktok-game-hack PDF link annotation
    • http://lepatrimoinedesvallees.fr/images/roblox-e-free_GM431946152.pdfIn PDF document text
    • http://lepatrimoinedesvallees.fr/images/how-to-get-free-robux-easy-2021_GM431946152.pdfIn PDF document text
    • http://lepatrimoinedesvallees.fr/images/free-mods-for-coin-master_GM406889139.pdfIn PDF document text
    • http://lepatrimoinedesvallees.fr/images/hacked-roblox-accounts-list_GM431946152.pdfIn PDF document text
    • http://lepatrimoinedesvallees.fr/images/minecraft-pocket-edition-mods-for-free_GM479516143.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_002_off00003154.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3154 28796 bytes
SHA-256: 5c6e2cc24bba2f1788331d66855eba053eb201e758c24b1bc8bd6e4c91dd3de6
font_01_sfnt_off00007194.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7194 2840 bytes
SHA-256: 0ff7203f6678b3ce5cadf82d8d4ab75daf80d11355a5b436446d16072593a6f7
font_02_sfnt_off00007b4e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7B4E 17620 bytes
SHA-256: 1c33fd3c5ea4f422d018a8404ca3ef9e1ac10e3d86ac92994d8eaeb97cd646a5

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