Malicious PDF — malware analysis report

Static analysis result for SHA-256 9f653f1bcde220ff…

MALICIOUS

PDF

35.9 KB Created: 2021-07-01 02:03:29 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-15
MD5: 4554431218adfe1a8686b775aa253211 SHA-1: e145242f82b9a495748a386aff0c07e2982dd12b SHA-256: 9f653f1bcde220ff8f8897dec3033c8f1bad8704de9dc3f4bd8e277c038d6c86
102 Risk Score

Malware Insights

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

This PDF document exhibits characteristics of a malicious SEO link farm, designed to attract users searching for game hacks. It contains numerous embedded URLs pointing to other PDF documents, many of which are also SEO-optimized and related to game exploits. The primary URL, http://netcdn.co/app/431946152/como-ganar-robux-hack-game-hack, likely serves as a landing page or download source for malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 4

  • 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.
  • 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/como-ganar-robux-hack-game-hack PDF link annotation
    • http://opac.salatigakota.go.id/slims7/repository/how-to-hack-gamemodes-in-roblox_GM431946152.pdfIn PDF document text
    • http://opac.salatigakota.go.id/slims7//repository/robux-hack-no-human-verification_GM431946152.pdfIn PDF document text
    • http://opac.salatigakota.go.id/slims7/repository/free-headphones-roblox-catalog_GM431946152.pdfIn PDF document text
    • http://opac.salatigakota.go.id/slims7/repository/how-to-change-your-roblox-name-for-free-2021_GM431946152.pdfIn PDF document text
    • http://opac.salatigakota.go.id/slims7/repository/roblox-lumber-tycoon-2-hack-download-for-laptop_GM431946152.pdfIn PDF document text
    • http://opac.salatigakota.go.id/slims7/repository/cheat-engine-roblox-restaurant-2021_GM431946152.pdfIn PDF document text
    • http://opac.salatigakota.go.id/slims7/repository/free-robux-discord_GM431946152.pdfIn PDF document text
    • http://opac.salatigakota.go.id/slims7/repository/working-robux-hack-without-a-human-verification_GM431946152.pdfIn PDF document text
    • http://opac.salatigakota.go.id/slims7/repository/hack-me-robux_GM431946152.pdfIn PDF document text
    • http://opac.salatigakota.go.id/slims7/repository/how-to-use-wifi-roblox-hack_GM431946152.pdfIn PDF document text
    • http://opac.salatigakota.go.id/slims7/repository/hack-sharkbite-roblox-cheat-engine_GM431946152.pdfIn PDF document text
    • http://opac.salatigakota.go.id/slims7//repository/roblox-hack-site_GM431946152.pdfIn PDF document text
    • http://opac.salatigakota.go.id/slims7/repository/c00lkidds-roblox-hack-client-rc7_GM431946152.pdfIn PDF document text
    • http://opac.salatigakota.go.id/slims7//repository/how-to-hack-roblox-accounts-for-robux_GM431946152.pdfIn PDF document text
    • http://opac.salatigakota.go.id/slims7//repository/is-there-any-way-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://opac.salatigakota.go.id/slims7/repository/free-hacks-for-roblox-jailbreak-2021_GM431946152.pdfIn PDF document text
    • http://opac.salatigakota.go.id/slims7/repository/hacking-code-text-chat-roblox_GM431946152.pdfIn PDF document text
    • http://opac.salatigakota.go.id/slims7/repository/get-my-hacked-roblox-account-back_GM431946152.pdfIn PDF document text
    • http://opac.salatigakota.go.id/slims7//repository/roblox-fun-com-free-robux_GM431946152.pdfIn PDF document text
    • http://opac.salatigakota.go.id/slims7/repository/roblox-free-boy-hair_GM431946152.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_off0000338c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x338C 23192 bytes
SHA-256: 4ee6e0826c3c2bd5b2ef0cd2beab571d34471cfc43bdbb30c1406e44da26a641
font_01_sfnt_off000067a6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x67A6 18980 bytes
SHA-256: 59a43baa4ad5c218e3a6a68af8cb8f00dd751b790a75cde3758403cd64a110f2

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