Malicious PDF — malware analysis report

Static analysis result for SHA-256 3acf45d8edcedc32…

MALICIOUS

PDF

35.5 KB Created: 2021-05-21 19:11:56 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-18
MD5: 3bb6514a9efc463f4878bfda42cf7ce1 SHA-1: 6f32cd0592d406287bd6e3a3094e8e903c8714f4 SHA-256: 3acf45d8edcedc3251f251868b7c693c185446210c78af05eac6479cad3ba420
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links and embedded text that promote a 'Roblox Dominus Free Game Hack' lure. The primary malicious URL, https://netcdn.xyz/app/431946152/roblox-dominus-free-game-hack, is presented as the destination for this lure. While no scripts were directly extracted, the PDF structure and heuristic firings indicate a malicious redirector designed to trick users into downloading further malware or visiting phishing sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9492

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/431946152/roblox-dominus-free-game-hack PDF link annotation
    • http://studentslovetravel.com/images/best-tricks-co-robux_GM431946152.pdfIn PDF document text
    • http://studentslovetravel.com/images/roblox-free-wings_GM431946152.pdfIn PDF document text
    • http://studentslovetravel.com/images/real-roblox_GM431946152.pdfIn PDF document text
    • http://studentslovetravel.com/images/coin-master-hack-without-verification-for-iphone_GM406889139.pdfIn PDF document text
    • http://studentslovetravel.com/images/roblox-hacked-version-download_GM431946152.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_002_off00002ff4.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2FF4 24616 bytes
SHA-256: 71fef29317644e66780f2cbab3fe13549d9eb3a1b37f5b6d0fd0f619af003878
font_01_sfnt_off0000684f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x684F 18636 bytes
SHA-256: 091f137b67372388e813b4829387741adcd96f5962df99b77f49d4626ee6ae86

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