Malicious PDF — malware analysis report

Static analysis result for SHA-256 cec6ee3dd6fff8cb…

MALICIOUS

PDF

35.2 KB Created: 2021-06-28 05:55:17 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: a388e216222ab80d5e0e02c5f703fcab SHA-1: 71a91c829fe14c7f9ad02636c2077c7db0d69826 SHA-256: cec6ee3dd6fff8cbec4f4717126bd809aa1a4d06e293fd28180ed1ff34d73955
142 Risk Score

Malware Insights

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

This PDF document contains numerous links to external websites, many of which are SEO-optimized and appear to be part of a link farm. The document body and extracted URLs suggest a lure for game-related cheats and hacks, likely intended to trick users into downloading malware or visiting malicious sites. The presence of a 'password-protected archive handoff' heuristic further indicates a potential attempt to conceal malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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.
  • 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/fly-gamepass-for-free-on-roblox-game-hack
    • http://library.poltekkes-palangkaraya.ac.id/repository/money-hacks-for-jail-break-roblox_GM431946152.pdf
    • http://library.poltekkes-palangkaraya.ac.id/repository/krnl-roblox_GM431946152.pdf
    • http://library.poltekkes-palangkaraya.ac.id/repository/roblox-hack-counter-blox-roblox-offensive_GM431946152.pdf
    • http://library.poltekkes-palangkaraya.ac.id//repository/minecraft-redeem-code-free-2021_GM479516143.pdf
    • http://library.poltekkes-palangkaraya.ac.id//repository/coin-master-free-download-app_GM406889139.pdf
    • http://library.poltekkes-palangkaraya.ac.id/repository/roblox-hack-robux-download-2021_GM431946152.pdf
    • http://library.poltekkes-palangkaraya.ac.id/repository/how-to-get-free-old-roblox-accounts_GM431946152.pdf
    • http://library.poltekkes-palangkaraya.ac.id/repository/how-to-hack-roblox-passwords-on-mobile_GM431946152.pdf
    • http://library.poltekkes-palangkaraya.ac.id/repository/roblox-troll-shirt-free_GM431946152.pdf
    • http://library.poltekkes-palangkaraya.ac.id//repository/hack-coin-master-no-survey_GM406889139.pdf
    • http://library.poltekkes-palangkaraya.ac.id/repository/como-hackear-juegos-de-roblox-2021_GM431946152.pdf
    • http://library.poltekkes-palangkaraya.ac.id/repository/free-tiktok-fans-no-verification_GM835599320.pdf
    • http://library.poltekkes-palangkaraya.ac.id/repository/how-do-you-hack-pn-roblox_GM431946152.pdf
    • http://library.poltekkes-palangkaraya.ac.id/repository/how-to-get-a-free-robux-promo-code_GM431946152.pdf
    • http://library.poltekkes-palangkaraya.ac.id/repository/phantom-forces-beta-hack-2021-roblox_GM431946152.pdf
    • http://library.poltekkes-palangkaraya.ac.id/repository/free-robux-no-gift-card_GM431946152.pdf
    • http://library.poltekkes-palangkaraya.ac.id//repository/coin-master-free-spins-without-human-verification_GM406889139.pdf
    • http://library.poltekkes-palangkaraya.ac.id//repository/pokemon-go-x-free-download_GM1094591345.pdf
    • http://library.poltekkes-palangkaraya.ac.id/repository/real-free-robux-codes_GM431946152.pdf
    • http://library.poltekkes-palangkaraya.ac.id//repository/how-to-download-minecraft-windows-10-edition-for-free_GM479516143.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003191.bin
288368425ef598de696bb792c2a8fcb963e1c174a41179cb5e687084867404d4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3191 22596 bytes
font_01_sfnt_off000063f9.bin
f09104cad7317b84744ac5f47a6033d3312ada48c61d818db4f4e058eca6d788		 pdf-font-stream PDF embedded font (sfnt) at offset 0x63F9 19264 bytes

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