Malicious PDF — malware analysis report

Static analysis result for SHA-256 0e74a0ea737cbd98…

MALICIOUS

PDF

44.7 KB Created: 2021-05-11 13:38:28 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 2e15f43e3b1713b85b2dc09494161669 SHA-1: d55b87f9cdff974cdb09ad4a9261452063cd7b73 SHA-256: 0e74a0ea737cbd982d140469ce9ec0452cfe415ef8c6310cd941e4d9d0a66e32
142 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains numerous links to external websites, many of which are related to game cheats and currency, indicating a lure for scams or potentially malicious downloads. The presence of a "CLICK HERE TO ACCESS MINECRAFT GENERATOR" call-to-action, along with the ML classifier flagging the PDF as malicious, strongly suggests an attempt to deceive the user. The document body and heuristics point towards an advance-fee scam or a phishing lure for game-related exploits.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9632

Heuristics 5

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LURE
    Document contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
  • 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/479516143/simplysarc-game-hack
    • http://manfeld.dk/images/coin-master-free-spins-link-today_GM406889139.pdf
    • http://manfeld.dk/images/coin-master-free-coin-hack_GM406889139.pdf
    • http://manfeld.dk/images/how-to-get-free-robux-on-chromebook_GM431946152.pdf
    • http://manfeld.dk/images/free-daily-spins-coin-master_GM406889139.pdf
    • http://manfeld.dk/images/who-to-get-free-robux_GM431946152.pdf
    • http://manfeld.dk/images/free-coins-2021-coin-master-link_GM406889139.pdf
    • http://manfeld.dk/images/hack-coin-master-no-verification_GM406889139.pdf
    • http://manfeld.dk/images/coin-master-free-spins-without-verification_GM406889139.pdf
    • http://manfeld.dk/images/free-robux-now_GM431946152.pdf
    • http://manfeld.dk/images/free-robux-no-downloading-apps_GM431946152.pdf
    • http://manfeld.dk/images/spin-links-for-coin-master_GM406889139.pdf
    • http://manfeld.dk/images/free-robux-no-verification-no-download_GM431946152.pdf
    • http://manfeld.dk/images/free-robux-live_GM431946152.pdf
    • http://manfeld.dk/images/how-to-get-free-robux-hack_GM431946152.pdf
    • http://manfeld.dk/images/how-do-you-get-free-food-on-coin-master_GM406889139.pdf
    • http://manfeld.dk/images/minecraft-tools_GM479516143.pdf
    • http://manfeld.dk/images/microsoft-roblox_GM431946152.pdf
    • http://manfeld.dk/images/free-robux-generator-no-human-verification-2021_GM431946152.pdf
    • http://manfeld.dk/images/freerubux_GM431946152.pdf
    • http://manfeld.dk/images/how-to-generate-free-coin-master-spin_GM406889139.pdf
    • https://education.minecraft
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004970.bin
9ad0be21a35e1c8c24d1f37c0e6fdc7774a71c7e8b2b3626ee4977b61a6c293a
decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4970 25092 bytes
font_01_sfnt_off000082bd.bin
b1efcc38418e79d269439e7910a1f7634ea8c321b71b58517f1a7300d5f7088f
pdf-font-stream PDF embedded font (sfnt) at offset 0x82BD 2952 bytes
font_02_sfnt_off00008cf2.bin
d1e3c8cc46daa8b4e8a3620fd036fa3afc0951971ec214e12238e772f71f3550
pdf-font-stream PDF embedded font (sfnt) at offset 0x8CF2 18156 bytes