PDF static analysis report

Static analysis result for SHA-256 3c993bf69d365aa1…

SUSPICIOUS

PDF

36.0 KB Created: 2021-06-29 05:06:27 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: c7ac6b743e93bb59d684b0d0f0146ee2 SHA-1: 5ded7c79af753e6ff619e5963ad39db96dd76916 SHA-256: 3c993bf69d365aa136a4bffdcfa217c9aea42a959b010f392aef707702d55f55
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple embedded URLs and a prominent external URI pointing to game cheat download sites, suggesting a lure for users to download potentially malicious files. The ML classifier strongly flagged this PDF as malicious, reinforcing the suspicious nature of the content. Although no scripts were explicitly extracted, the presence of embedded URLs and the ML detection indicate a high likelihood of a malicious download attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 3

  • 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/how-to-cheat-roblox-lumber-tycoon-2-money-game-hack PDF link annotation
    • https://www.nationalmilklaboratories.co.uk/uploads/files/files/roblox-cheating-tool_GM431946152.pdfIn PDF document text
    • https://www.nationalmilklaboratories.co.uk/uploads/files/files/free-roblox-hair-codes_GM431946152.pdfIn PDF document text
    • https://www.nationalmilklaboratories.co.uk/uploads/files/files/coin-master-free-spin-link-today-2021_GM406889139.pdfIn PDF document text
    • https://www.nationalmilklaboratories.co.uk/uploads/files/files/coin-master-100-spin_GM406889139.pdfIn PDF document text
    • https://www.nationalmilklaboratories.co.uk/uploads/files/files/how-to-get-free-robux-no-wait-proof_GM431946152.pdfIn PDF document text
    • https://www.nationalmilklaboratories.co.uk/uploads/files/files/daily-coin-master-free-spin-link_GM406889139.pdfIn PDF document text
    • https://www.nationalmilklaboratories.co.uk/uploads/files/files/game-hack-coin-master_GM406889139.pdfIn PDF document text
    • https://www.nationalmilklaboratories.co.uk/uploads/files/files/minecraft-education-edition-free-download_GM479516143.pdfIn PDF document text
    • https://www.nationalmilklaboratories.co.uk/uploads/files/files/coin-master-free-spins-usa-2021_GM406889139.pdfIn PDF document text
    • https://www.nationalmilklaboratories.co.uk/uploads/files/files/what-games-on-roblox-give-you-free-robux_GM431946152.pdfIn PDF document text
    • https://www.nationalmilklaboratories.co.uk/uploads/files/files/free-shirt-roblox-2021_GM431946152.pdfIn PDF document text
    • https://www.nationalmilklaboratories.co.uk/uploads/files/files/free-roblox-hack_GM431946152.pdfIn PDF document text
    • https://www.nationalmilklaboratories.co.uk/uploads/files/files/mcpe-master-coins-hack_GM406889139.pdfIn PDF document text
    • https://www.nationalmilklaboratories.co.uk/uploads/files/files/roblox-cheat-redline-working-mega_GM431946152.pdfIn PDF document text
    • https://www.nationalmilklaboratories.co.uk/uploads/files/files/game-give-free-robux_GM431946152.pdfIn PDF document text
    • https://www.nationalmilklaboratories.co.uk/uploads/files/files/roblox-robux-hack-no-survey-or-verification_GM431946152.pdfIn PDF document text
    • https://www.nationalmilklaboratories.co.uk/uploads/files/files/coinmaster-blogspot_GM406889139.pdfIn PDF document text
    • https://www.nationalmilklaboratories.co.uk/uploads/files/files/how-can-i-get-free-robux_GM431946152.pdfIn PDF document text
    • https://www.nationalmilklaboratories.co.uk/uploads/files/files/coin-master-hack-pro-gamers_GM406889139.pdfIn PDF document text
    • https://www.nationalmilklaboratories.co.uk/uploads/files/files/aristois-minecraft-hack_GM479516143.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000033c4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x33C4 22432 bytes
SHA-256: 92eb967a21428652627d65c2a3e103d95e5260cad1764e7b48a0a65536e35aef
font_01_sfnt_off0000658f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x658F 19820 bytes
SHA-256: 9f43a82711b3a92393dc2d663f789f21b82a049c8392c58b1d90c506760abca3