Malicious PDF — malware analysis report

Static analysis result for SHA-256 aaf360866a9953f0…

MALICIOUS

PDF

39.1 KB Created: 2021-05-10 18:35:21 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-04
MD5: 8119e6545ab09ac393a6f7c045c6c741 SHA-1: ac5cf5057c4d9ecef67be6968ceb529772834509 SHA-256: aaf360866a9953f03901839c993fa02bf97c3e21e16cdddb2e74a70559247054
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by an ML classifier. The file routes users through malicious redirector infrastructure and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9968

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/406889139/coin-spin-game-hack PDF link annotation
    • http://peche-madagascar.com/images/coin-master-free-coins-link-facebook_GM406889139.pdfIn PDF document text
    • http://peche-madagascar.com/images/free-roblox-toy-codes-2021_GM431946152.pdfIn PDF document text
    • http://peche-madagascar.com/images/more-robux_GM431946152.pdfIn PDF document text
    • http://peche-madagascar.com/images/free-old-roblox-accounts_GM431946152.pdfIn PDF document text
    • http://peche-madagascar.com/images/coin-master-free-spin-realme-products_GM406889139.pdfIn PDF document text
    • http://peche-madagascar.com/images/coin-free-spin_GM406889139.pdfIn PDF document text
    • http://peche-madagascar.com/images/free-coin-master-cheats_GM406889139.pdfIn PDF document text
    • http://peche-madagascar.com/images/free-robux-hack-no-human-verification-or-survey_GM431946152.pdfIn PDF document text
    • http://peche-madagascar.com/images/hack-to-get-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://peche-madagascar.com/images/coin-master-cheat-codes_GM406889139.pdfIn PDF document text
    • http://peche-madagascar.com/images/free-robux-download_GM431946152.pdfIn PDF document text
    • http://peche-madagascar.com/images/minecraft-java-account-free_GM479516143.pdfIn PDF document text
    • http://peche-madagascar.com/images/how-to-get-free-robux-fast-and-easy_GM431946152.pdfIn PDF document text
    • http://peche-madagascar.com/images/free-robux-generator-no-human-verification-or-survey-2021_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_003_off00004042.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4042 25204 bytes
SHA-256: 34894a2f3662f0159871013adfe84c594dc2e3095d2f34d97a6eba6a57c3abef
font_01_sfnt_off0000798c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x798C 17392 bytes
SHA-256: 26961c9f14d61c789be320ef33f793128d7856b3f2b2e22dee8a483f9b6c2997

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