Malicious PDF — malware analysis report

Static analysis result for SHA-256 348158569004346b…

MALICIOUS

PDF

48.5 KB Created: 2021-06-08 13:51:27 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 2337c07ed7a94b8d8d4696a5799e9067 SHA-1: 0736dc6b128f8e7aa3850585a9c746a2efef9041 SHA-256: 348158569004346b63b94ef5a9aec823e7628a64180ea02ff95ccab61875fc5b
102 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains numerous links to external resources, many of which are structured as SEO-optimized PDF links, suggesting a link farm designed to drive traffic to potentially malicious sites. The document body and extracted URLs indicate a lure related to game hacks and free currency, a common social engineering tactic. While no scripts were explicitly extracted, the PDF structure and heuristic firings strongly suggest it's designed to redirect users to malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9796

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.tw/app/431946152/how-to-hack-servers-in-roblox-game-hack
    • http://library.yamasi.ac.id/repository/actual-free-robux_GM431946152.pdf
    • http://library.yamasi.ac.id/repository/offers-to-complete-and-get-free-spins-in-coin-master_GM406889139.pdf
    • http://library.yamasi.ac.id/repository/coin-master-generator-hack_GM406889139.pdf
    • http://library.yamasi.ac.id/repository/how-long-is-the-minecraft-free-trial_GM479516143.pdf
    • http://library.yamasi.ac.id//repository/coin-master-hacks-for-pet-food_GM406889139.pdf
    • http://library.yamasi.ac.id/repository/coin-master-free-coins-cheat_GM406889139.pdf
    • http://library.yamasi.ac.id/repository/download-roblox-clothes-free-online_GM431946152.pdf
    • http://library.yamasi.ac.id//repository/coin-master-apk-hack-mod-download_GM406889139.pdf
    • http://library.yamasi.ac.id//repository/get-me-robux-for-free_GM431946152.pdf
    • http://library.yamasi.ac.id/repository/robux-offers_GM431946152.pdf
    • http://library.yamasi.ac.id/repository/how-to-hack-minecraft-pe_GM479516143.pdf
    • http://library.yamasi.ac.id/repository/free-spins-coin-master-blogspot_GM406889139.pdf
    • http://library.yamasi.ac.id/repository/minecraft-free-app_GM479516143.pdf
    • http://library.yamasi.ac.id//repository/free-face-roblox_GM431946152.pdf
    • http://library.yamasi.ac.id/repository/coin-master-20-free-spins-link-today_GM406889139.pdf
    • http://library.yamasi.ac.id//repository/minecraft-packs-free_GM479516143.pdf
    • http://library.yamasi.ac.id//repository/coin-master-free-spins-for-today_GM406889139.pdf
    • http://library.yamasi.ac.id/repository/coin-master-free-snacks-link_GM406889139.pdf
    • http://library.yamasi.ac.id//repository/get-robux-com_GM431946152.pdf
    • http://library.yamasi.ac.id/repository/free-robux-pastebin-no-wait_GM431946152.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_004_off000051e3.bin
be79d48bc120f028d68712967ab253451bd948cc1b24a42a73cd81719746363b		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x51E3 25600 bytes
font_01_sfnt_off00008cd5.bin
450e3ee45915afe13702bf1d587eb8b9ad88a8d2113419ac9f2fd116a828e139		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8CD5 5696 bytes
font_02_sfnt_off000099e7.bin
b0e11cfcda98e03dfd5c7198009901e61016738d84ecf53891434957cdbdf1a2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x99E7 18460 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.