Malicious PDF — malware analysis report

Static analysis result for SHA-256 2a5c89c21168e8ab…

MALICIOUS

PDF

32.9 KB Created: 2021-06-28 05:55:20 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 3e7f62f917d5661c226d422487fe6285 SHA-1: 11b03fcab9b596fd26e29f3585a1e44efbbd5994 SHA-256: 2a5c89c21168e8abf53010f504a7a5af2f912dd4f4c65044a71801e3f7f2f55d
82 Risk Score

Malware Insights

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

The document contains numerous embedded URLs and a prominent call-to-action related to game hacks and in-game currency, strongly suggesting a phishing lure. The ML classifier also flagged this PDF as malicious. The presence of a 'password-protected archive' heuristic indicates a common technique to bypass security scanning by encrypting the actual payload.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9824

Heuristics 4

  • Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
    Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
  • 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-laser-tanks-2.0-hack-game-hack PDF link annotation
    • http://gts.edu.gh/library/repository/roblox-gift-cards-codes-free_GM431946152.pdfIn PDF document text
    • http://gts.edu.gh/library/repository/minecraft-free-unblocked_GM479516143.pdfIn PDF document text
    • http://gts.edu.gh/library/repository/minecraft-xray-hack_GM479516143.pdfIn PDF document text
    • http://gts.edu.gh/library/repository/free-robux-mobile_GM431946152.pdfIn PDF document text
    • http://gts.edu.gh/library/repository/coin-master-new-cards-hack_GM406889139.pdfIn PDF document text
    • http://gts.edu.gh/library/repository/roblox-password-hacker_GM431946152.pdfIn PDF document text
    • http://gts.edu.gh/library/repository/easy-way-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://gts.edu.gh/library/repository/raindrop-hack-for-roblox_GM431946152.pdfIn PDF document text
    • http://gts.edu.gh/library/repository/descargar-hack-coin-master_GM406889139.pdfIn PDF document text
    • http://gts.edu.gh/library/repository/hacks-for-flora-frenzy-roblox_GM431946152.pdfIn PDF document text
    • http://gts.edu.gh/library/repository/coin-master-blogspot_GM406889139.pdfIn PDF document text
    • http://gts.edu.gh/library/repository/roblox-reddit-hacks_GM431946152.pdfIn PDF document text
    • http://gts.edu.gh/library/repository/how-to-get-free-robux-28-august-2021_GM431946152.pdfIn PDF document text
    • http://gts.edu.gh/library/repository/coin-master-gold-cards-free-link_GM406889139.pdfIn PDF document text
    • http://gts.edu.gh/library/repository/roblox-god-hack-download_GM431946152.pdfIn PDF document text
    • http://gts.edu.gh/library/repository/pokemon-go-free-key_GM1094591345.pdfIn PDF document text
    • http://gts.edu.gh/library/repository/robux-free-online_GM431946152.pdfIn PDF document text
    • http://gts.edu.gh/library/repository/roblox-speed-hack-script-pastebin_GM431946152.pdfIn PDF document text
    • http://gts.edu.gh/library/repository/robux-place-rewards_GM431946152.pdfIn PDF document text
    • http://gts.edu.gh/library/repository/free-roblox-clothes-girl_GM431946152.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_off0000299c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x299C 22512 bytes
SHA-256: baa9a01d46088cc8cc869a7204728082ed1f93ccf3d7ac1eee6469309db37442
font_01_sfnt_off00005bce.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5BCE 19016 bytes
SHA-256: ca4cf6962a6ea10add9ef0e68e9da83d8955b8ab79b8b6efa162e3e25440f762

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