Malicious PDF — malware analysis report

Static analysis result for SHA-256 20080de5ba1b8cbe…

MALICIOUS

PDF

35.4 KB Created: 2021-07-21 02:26:27 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17
MD5: d3193a3755e53578b5d5718bbaf90795 SHA-1: b2e5574ca2f66215b87a960d2fb077144cbf1266 SHA-256: 20080de5ba1b8cbeec5bf583a8cc3fd52170d272f8543fe799859059a1d573f7
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links to websites offering game hacks and generators, such as 'free-coin-master-coins-and-spins-game-hack'. This indicates a social engineering lure to direct users to potentially malicious sites. While no scripts were explicitly extracted, the PDF structure and embedded URLs suggest an attempt to redirect users for malicious purposes, likely related to phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

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 http://netcdn.tw/app/406889139/free-coin-master-coins-and-spins-game-hack PDF link annotation
    • http://peche-madagascar.com/images/how-to-get-free-robux-on-ipad_GM431946152.pdfIn PDF document text
    • http://peche-madagascar.com/images/tiktok-free-fans_GM835599320.pdfIn PDF document text
    • http://peche-madagascar.com/images/free-robux-hack-generator_GM431946152.pdfIn PDF document text
    • http://peche-madagascar.com/images/free-robux-kid-friendly-no-human-verification_GM431946152.pdfIn PDF document text
    • http://peche-madagascar.com/images/hacker-minecraft-song_GM479516143.pdfIn PDF document text
    • http://peche-madagascar.com/images/daily-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://peche-madagascar.com/images/free-spin-in-coin-master_GM406889139.pdfIn PDF document text
    • http://peche-madagascar.com/images/how-to-get-free-robux-no-verification_GM431946152.pdfIn PDF document text
    • http://peche-madagascar.com/images/free-robux-no-human-verification-or-survey-or-download-2021_GM431946152.pdfIn PDF document text
    • http://peche-madagascar.com/images/free-tiktok-likes-and-followers_GM835599320.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_off00003286.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3286 23992 bytes
SHA-256: 1228c2271d8752596822fe1e8306c823b4046abb386c975f7f71249913d06175
font_01_sfnt_off0000695e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x695E 18060 bytes
SHA-256: 11bd500b33c169b65e53ecddb4cd7ac7428d9a9bdc32d60ba78f45c9260aee9d

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