Malicious PDF — malware analysis report

Static analysis result for SHA-256 36a869505f704358…

MALICIOUS

PDF

44.4 KB Created: 2021-06-03 05:08:31 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: bfb88c66d50cc433d49f06a987a95709 SHA-1: 36cf494f06e14b45ce476d6d934d5d9ccb52410d SHA-256: 36a869505f704358786b893db57684d93a326f94c80270e3c81c11db9f53dde4
102 Risk Score

Malware Insights

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

The PDF contains numerous links to external resources, many of which are structured as SEO-optimized PDF links, suggesting a link farm. One prominent URL, 'https://netcdn.online/app/431946152/aimbot-download-roblox-game-hack', directly points to a potential download for game cheats. The presence of a 'Download Now' heuristic further supports the malicious intent of luring users to download a payload.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9865

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 https://netcdn.online/app/431946152/aimbot-download-roblox-game-hack PDF link annotation
    • http://perpustakaan.pa-dompu.go.id//repository/rewardex-robux_GM431946152.pdfIn PDF document text
    • http://perpustakaan.pa-dompu.go.id/repository/classic-minecraft-net-hacks_GM479516143.pdfIn PDF document text
    • http://perpustakaan.pa-dompu.go.id/repository/how-to-setup-a-minecraft-server-for-free_GM479516143.pdfIn PDF document text
    • http://perpustakaan.pa-dompu.go.id/repository/coin-master-apk-mod-free-download_GM406889139.pdfIn PDF document text
    • http://perpustakaan.pa-dompu.go.id//repository/coin-master-cards_GM406889139.pdfIn PDF document text
    • http://perpustakaan.pa-dompu.go.id/repository/free-robux-no-verification-2021-android_GM431946152.pdfIn PDF document text
    • http://perpustakaan.pa-dompu.go.id//repository/how-to-hack-coin-master-root_GM406889139.pdfIn PDF document text
    • http://perpustakaan.pa-dompu.go.id//repository/today-free-spin-coin-master_GM406889139.pdfIn PDF document text
    • http://perpustakaan.pa-dompu.go.id//repository/minecraft-free-download-mac-full-version-2021_GM479516143.pdfIn PDF document text
    • http://perpustakaan.pa-dompu.go.id//repository/coin-master-hack-ios-cydia_GM406889139.pdfIn PDF document text
    • http://perpustakaan.pa-dompu.go.id//repository/coin-master-hack-dot-xyz_GM406889139.pdfIn PDF document text
    • http://perpustakaan.pa-dompu.go.id/repository/coin-master-hack-mod-apk-2021-download_GM406889139.pdfIn PDF document text
    • http://perpustakaan.pa-dompu.go.id//repository/free-2021-robux_GM431946152.pdfIn PDF document text
    • http://perpustakaan.pa-dompu.go.id/repository/free-robux-live_GM431946152.pdfIn PDF document text
    • http://perpustakaan.pa-dompu.go.id//repository/how-to-get-java-minecraft-for-free_GM479516143.pdfIn PDF document text
    • http://perpustakaan.pa-dompu.go.id/repository/minecraft-free-download-mobile_GM479516143.pdfIn PDF document text
    • http://perpustakaan.pa-dompu.go.id/repository/coin-master-free-coin-and-spin-app_GM406889139.pdfIn PDF document text
    • http://perpustakaan.pa-dompu.go.id/repository/free-minecraft-alt-generator_GM479516143.pdfIn PDF document text
    • http://perpustakaan.pa-dompu.go.id/repository/coin-master-free-spins-2021-haktuts_GM406889139.pdfIn PDF document text
    • http://perpustakaan.pa-dompu.go.id//repository/coin-master-daily-free-spins_GM406889139.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
stream_004_off00004fe5.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4FE5 24576 bytes
SHA-256: aac1f4c4959de35453f045e2d0e75862421e434b719dd065b9baf4f919d7207a
font_01_sfnt_off00008879.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8879 19000 bytes
SHA-256: 7d611a1d50564430ff0519ba238feadb200c8b25cb84a0d6ab1661790e5ed700

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