Malicious PDF — malware analysis report

Static analysis result for SHA-256 f62c7bfff4b35035…

MALICIOUS

PDF

43.6 KB Created: 2021-05-13 16:05:19 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-05
MD5: 65c0bc9c34f04a27467f46c6331f1bba SHA-1: af96bc9ad16ed8d76570f9970c8945e1f9e3c934 SHA-256: f62c7bfff4b350355122581b209d9557466b794664aa38289c1d2482f9b6f35d
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple embedded links and a lure related to game hacks, specifically for Roblox. The primary link directs to a URL that promises a 'how to hack a Roblox account' guide, which is a common social engineering tactic to entice users into downloading malicious files or visiting phishing sites. No scripts were extracted, but the PDF structure and embedded URIs strongly suggest a malicious intent to redirect users to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9969

Heuristics 5

  • 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.
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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/how-to-hack-a-roblox-account-2021-game-hack PDF link annotation
    • http://ims-77.fr/images/coin-master-daily-free-cards_GM406889139.pdfIn PDF document text
    • http://ims-77.fr/images/daily-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://ims-77.fr/images/coin-master-cards-free-cards_GM406889139.pdfIn PDF document text
    • http://ims-77.fr/images/roblox-hack-tool_GM431946152.pdfIn PDF document text
    • http://ims-77.fr/images/e-free-roblox_GM431946152.pdfIn PDF document text
    • http://ims-77.fr/images/oprewards-com-login_GM431946152.pdfIn PDF document text
    • http://ims-77.fr/images/coin-master-hack-ios-download_GM406889139.pdfIn PDF document text
    • http://ims-77.fr/images/robux-offer-wall_GM431946152.pdfIn PDF document text
    • http://ims-77.fr/images/coin-master-hack-app-download-free_GM406889139.pdfIn PDF document text
    • http://ims-77.fr/images/how-to-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://ims-77.fr/images/minecraft-pocket-edition-hack_GM479516143.pdfIn PDF document text
    • http://ims-77.fr/images/free-fire-coin-master_GM406889139.pdfIn PDF document text
    • http://ims-77.fr/images/how-to-get-free-robux-on-roblox_GM431946152.pdfIn PDF document text
    • http://ims-77.fr/images/apps-for-free-robux_GM431946152.pdfIn PDF document text
    • http://ims-77.fr/images/daily-coin-master-free-link_GM406889139.pdfIn PDF document text
    • http://ims-77.fr/images/free-coins-coin-master-ios_GM406889139.pdfIn PDF document text
    • http://ims-77.fr/images/how-to-hack-someones-roblox-account-2021_GM431946152.pdfIn PDF document text
    • http://ims-77.fr/images/how-to-get-free-robux-as-a-kid_GM431946152.pdfIn PDF document text
    • http://ims-77.fr/images/how-to-get-free-robux-without-downloading-anything_GM431946152.pdfIn PDF document text
    • http://ims-77.fr/images/coin-master-400-spin-link-hack_GM406889139.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_off00004b6a.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4B6A 25244 bytes
SHA-256: ad28446bfa76ec6df8b8a5c5f4ae3941f82368715e6ddd29b29123227f4d5d87
font_01_sfnt_off0000859a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x859A 18992 bytes
SHA-256: aeef6a7714c6357f73dd4bac3524810632f54ab1d1528492d13c90d39421ba58

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