Malicious PDF — malware analysis report

Static analysis result for SHA-256 9962385cac43531e…

MALICIOUS

PDF

40.9 KB Created: 2021-04-22 20:12:06 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-16
MD5: 1daa373d66e9d1d49215e489d486a3d9 SHA-1: 11d5a380d277687f68a7221a630509ae84fa1aea SHA-256: 9962385cac43531ed7395063b5d8da3be47ca0ac78bc15da5dcb4be0c1f0693c
102 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF document contains multiple lures related to 'Roblox hacks' and 'Robux generators', directing users to malicious URLs. The heuristic firings confirm the presence of external URIs and a game hack redirect lure, strongly indicating a phishing or scam attempt. Although no scripts were explicitly extracted, the nature of the PDF and its embedded links suggest it is designed to exploit user interest in game cheats to deliver a malicious payload or redirect to a phishing site.

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/robux-roblox-hack-apk-game-hack PDF link annotation
    • http://www.les2alpes-location.com/images/free-roblox-headphone.pdfIn PDF document text
    • http://www.les2alpes-location.com/images/roblox-one-piece-treasure-hack.pdfIn PDF document text
    • http://www.les2alpes-location.com/images/hacker-roblox-fr.pdfIn PDF document text
    • http://www.les2alpes-location.com/images/free-n-ame-change-on-roblox.pdfIn PDF document text
    • http://www.les2alpes-location.com/images/how-to-get-free-girl-clothes-on-roblox.pdfIn PDF document text
    • http://www.les2alpes-location.com/images/free-jump-hacks-for-roblox.pdfIn PDF document text
    • http://www.les2alpes-location.com/images/dinosaur-simulator-roblox-cheats.pdfIn PDF document text
    • http://www.les2alpes-location.com/images/how-do-you-hack-apocalypse-rising-in-roblox-2021.pdfIn PDF document text
    • http://www.les2alpes-location.com/images/free-roblox-accounts-made-50-days-old.pdfIn PDF document text
    • http://www.les2alpes-location.com/images/roblox-hair-girl-free.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
stream_003_off0000418a.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x418A 26220 bytes
SHA-256: e5bcf808d269de766ae220300a91636f2b67fe19d625f4242765d3219be8880c
font_01_sfnt_off00007d83.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7D83 18500 bytes
SHA-256: 1ece973528dd235771dd97e3a701cf2fd35d778dca23237ee46d943fad46c265

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