Malicious PDF — malware analysis report

Static analysis result for SHA-256 9619e50fbe60c0ec…

MALICIOUS

PDF

42.1 KB Created: 2021-04-22 20:47:57 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-24
MD5: e29db74b95912e2dc6d251f8bc36ffba SHA-1: 24f9697d879f02da9c83f61a4b6cb7fc2549b728 SHA-256: 9619e50fbe60c0ec902a149b27fe373e3b1a65240e51f87d426254fb375d55eb
102 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links and a call-to-action button, all pointing towards a "free generator / game hack" for Roblox. The primary link, https://netsecure.pro/app/431946152/hack-roblox-como-tener-robux-gratis-2021-octubre-game-hack, is flagged as a lure for game hacks. While no scripts were explicitly extracted, the PDF structure and embedded URIs suggest it's designed to redirect users to potentially malicious websites for credential harvesting or malware download.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9941

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.
  • 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://netsecure.pro/app/431946152/hack-roblox-como-tener-robux-gratis-2021-octubre-game-hack PDF link annotation
    • https://gestionpatrimonial.net/images/roblox-hilton-hotels-interview-hack.pdfIn PDF document text
    • https://gestionpatrimonial.net/images/get-free-robuxg.pdfIn PDF document text
    • https://gestionpatrimonial.net/images/roblox-murderer-mystery-2-cheat-codes-sason-2.pdfIn PDF document text
    • https://gestionpatrimonial.net/images/hack-how-to-get-free-robux.pdfIn PDF document text
    • https://gestionpatrimonial.net/images/dbz-rage-roblox-hack.pdfIn PDF document text
    • https://gestionpatrimonial.net/images/cheats-for-roblox-running-simulator-2.pdfIn PDF document text
    • https://gestionpatrimonial.net/images/half-hacker-half-guest-roblox.pdfIn PDF document text
    • https://gestionpatrimonial.net/images/pokemon-adventures-roblox-cheats.pdfIn PDF document text
    • https://gestionpatrimonial.net/images/how-to-hack-to-get-robux.pdfIn PDF document text
    • https://gestionpatrimonial.net/images/roblox-free-hacks-working.pdfIn 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_off000044e5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x44E5 25976 bytes
SHA-256: 2851f480a4433695d290cbab7b62a1fac2b329f1c628b7a4f18b2ec29e19f9c5
font_01_sfnt_off00008001.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8001 19208 bytes
SHA-256: 44c662ca9048ab0a4af0ee007925ce40092fb0c8374680e6dd2a59532085780e

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