Malicious PDF — malware analysis report

Static analysis result for SHA-256 fee93fbae43df020…

MALICIOUS

PDF

36.8 KB Created: 2021-06-30 09:50:53 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 36683a94d7fd7a82ea1819315fab1077 SHA-1: 882fe2acd355036873599f03cf63a07fbed8dec5 SHA-256: fee93fbae43df020fe7f970ce4f9c52321d6970c3b423bdea73f22efe954aca0
62 Risk Score

Malware Insights

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

The PDF document contains multiple embedded URLs and a heuristic firing for a visual download button, suggesting a lure to download a malicious file. The document body, though partially corrupted, contains references to game-related cheats and hacks, aligning with common phishing and scam tactics. The presence of a ML classifier flagging the PDF as malicious further supports its malicious nature.

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/glitches-for-the-hacker-tycoon-in-roblox-game-hack
    • http://digilib.ulm.ac.id/pusat/repository/coin-master-game-hunter_GM406889139.pdf
    • http://digilib.ulm.ac.id/pusat/repository/free-spins-for-coin-master-game_GM406889139.pdf
    • http://digilib.ulm.ac.id/pusat/repository/pubg-uc-midasbuy-pakistan_GM1330123889.pdf
    • http://digilib.ulm.ac.id/pusat/repository/coin-master-free-spins-link-haktuts_GM406889139.pdf
    • http://digilib.ulm.ac.id/pusat/repository/robux-fun-robux-hack_GM431946152.pdf
    • http://digilib.ulm.ac.id/pusat/repository/coin-master-free-spins-link-today-facebook_GM406889139.pdf
    • http://digilib.ulm.ac.id/pusat/repository/free-tiktok-likes-no-human-verification-or-download_GM835599320.pdf
    • http://digilib.ulm.ac.id/pusat/repository/free-spins-and-coins-com_GM406889139.pdf
    • http://digilib.ulm.ac.id/pusat/repository/rewards-roblox_GM431946152.pdf
    • http://digilib.ulm.ac.id/pusat/repository/how-to-get-free-items-on-roblox-catalog_GM431946152.pdf
    • http://digilib.ulm.ac.id/pusat/repository/free-coin-and-spin-for-coin-master_GM406889139.pdf
    • http://digilib.ulm.ac.id/pusat/repository/free-robux-codes-generator_GM431946152.pdf
    • http://digilib.ulm.ac.id/pusat/repository/how-do-you-get-robux-on-roblox_GM431946152.pdf
    • http://digilib.ulm.ac.id/pusat/repository/how-to-hack-roblox-accounts-on-phone-2021_GM431946152.pdf
    • http://digilib.ulm.ac.id/pusat/repository/can-you-get-free-robux-on-cheat-enine_GM431946152.pdf
    • http://digilib.ulm.ac.id/pusat/repository/minecraft-for-chromebook-free_GM479516143.pdf
    • http://digilib.ulm.ac.id/pusat/repository/azupte-cheat-roblox_GM431946152.pdf
    • http://digilib.ulm.ac.id/pusat/repository/unlimited-coin-master-free-spins_GM406889139.pdf
    • http://digilib.ulm.ac.id/pusat/repository/coin-master-free-spin-and-coins-links-2021_GM406889139.pdf
    • http://digilib.ulm.ac.id/pusat/repository/how-to-get-free-robux-app_GM431946152.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000382c.bin
0274ff1d88adc528632f3b60e79640a20d558e5e9b709750088ee80200291792		 pdf-font-stream PDF embedded font (sfnt) at offset 0x382C 22528 bytes
font_01_sfnt_off00006a1b.bin
ee97794de64e14df20cb16b43d90ce64bb1790a09931f5abb734e6f831a77f5c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6A1B 19388 bytes

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