Malicious PDF — malware analysis report

Static analysis result for SHA-256 47611cf81b1a1127…

MALICIOUS

PDF

34.9 KB Created: 2021-06-20 03:17:42 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: c72a0a302b2434733a3b62760b915515 SHA-1: c6deaa4424ee697a94a3d223218ca356e02ef43b SHA-256: 47611cf81b1a112749f130e3f685414ba2ed4f602b88f7f07719a9572ef5681e
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The document contains numerous embedded URLs and a document body that explicitly advertises cheats and hacks for popular games. The presence of a download button lure and callback phishing lure suggests an attempt to trick users into downloading further malicious content or engaging with a scam. The ML classifier also strongly flagged this PDF as malicious.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 4

  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
  • 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.co/app/431946152/roblox-money-cheats-2021-game-hack PDF link annotation
    • http://gruporamos.do/images/minecraft-pe-hack-client_GM479516143.pdfIn PDF document text
    • http://gruporamos.do/images/free-robux-websites-that-actually-work_GM431946152.pdfIn PDF document text
    • http://gruporamos.do/images/roblox-dungeon-of-quest-code-cheat_GM431946152.pdfIn PDF document text
    • http://gruporamos.do/images/hack-coin-master-ios-download_GM406889139.pdfIn PDF document text
    • http://gruporamos.do/images/robux-pastebin-hack-2021_GM431946152.pdfIn PDF document text
    • http://gruporamos.do/images/free-robux-hacker-us_GM431946152.pdfIn PDF document text
    • http://gruporamos.do/images/coin-master-free-spins-link-2021_GM406889139.pdfIn PDF document text
    • http://gruporamos.do/images/tiktok-free-download-for-android_GM835599320.pdfIn PDF document text
    • http://gruporamos.do/images/roblox-meep-city-play-online-free_GM431946152.pdfIn PDF document text
    • http://gruporamos.do/images/get-free-robux-now_GM431946152.pdfIn PDF document text
    • http://gruporamos.do/images/free-robux-without-verification_GM431946152.pdfIn PDF document text
    • http://gruporamos.do/images/hack-for-pubg-uc_GM1330123889.pdfIn PDF document text
    • http://gruporamos.do/images/free-minecraft-alts_GM479516143.pdfIn PDF document text
    • http://gruporamos.do/images/how-to-get-to-village-3-in-coin-master_GM406889139.pdfIn PDF document text
    • http://gruporamos.do/images/how-to-hack-roblox-accounts-on-phone_GM431946152.pdfIn PDF document text
    • http://gruporamos.do/images/free-minecraft-printables_GM479516143.pdfIn PDF document text
    • http://gruporamos.do/images/how-to-get-free-stuff-on-roblox-2021_GM431946152.pdfIn PDF document text
    • http://gruporamos.do/images/how-to-hack-roblox-account-with-edit-this-cookie-2021_GM431946152.pdfIn PDF document text
    • http://gruporamos.do/images/free-tiktok-fans-no-human-verification-or-downloading-apps_GM835599320.pdfIn PDF document text
    • http://gruporamos.do/images/coin-master-hack-activegamer_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
font_00_sfnt_off00002e5b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2E5B 22692 bytes
SHA-256: 9b5e6e53cefb4076c9aa5747a3e350745d298194ebf847f9254c408f013b01fc
font_01_sfnt_off0000618a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x618A 19536 bytes
SHA-256: d2d8d09937c011784d5154b6644f1eaf4f7f8307ba437f83a5df4b4c89dc2683

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