Malicious PDF — malware analysis report

Static analysis result for SHA-256 6e1dba2616a6c2da…

MALICIOUS

PDF

33.5 KB Created: 2021-07-04 07:47:41 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: c01eb97a0936874e6e521c82d420b731 SHA-1: 2072e9b97bb5586530fcb75fb1e3d8e8c83dc63d SHA-256: 6e1dba2616a6c2daf34fd85728c1c1749775b7386b959b49749a498cfc777eb2
102 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF document contains numerous links to external websites, many of which are hosted on domains related to game hacks and exploits. The document body explicitly mentions 'Tower Of Hell Roblox Hack' and includes URLs that suggest a lure for downloading game cheats or related malicious content. The high ML classifier score and the presence of a link farm heuristic further indicate malicious intent, likely to redirect users to malicious sites or download further payloads.

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.tw/app/431946152/tower-of-hell-roblox-hack-game-hack PDF link annotation
    • http://library.fk.upnvj.ac.id/repository/roblox-how-to-get-a-shirt-for-free-with-bc_GM431946152.pdfIn PDF document text
    • http://library.fk.upnvj.ac.id/repository/free-bugatti-roblox-jailbreak_GM431946152.pdfIn PDF document text
    • http://library.fk.upnvj.ac.id/repository/coin-master-3533-android-hack_GM406889139.pdfIn PDF document text
    • http://library.fk.upnvj.ac.id/repository/free-robux-andoid-robux-hac_GM431946152.pdfIn PDF document text
    • http://library.fk.upnvj.ac.id/repository/free-unused-roblox-gift-card-codes-2021_GM431946152.pdfIn PDF document text
    • http://library.fk.upnvj.ac.id/repository/costume-free-roblox_GM431946152.pdfIn PDF document text
    • http://library.fk.upnvj.ac.id/repository/minecraft-online-free-no-download_GM479516143.pdfIn PDF document text
    • http://library.fk.upnvj.ac.id/repository/free-roblox-2021-rich-accounts-logins_GM431946152.pdfIn PDF document text
    • http://library.fk.upnvj.ac.id/repository/roblox-hacker-skin_GM431946152.pdfIn PDF document text
    • http://library.fk.upnvj.ac.id/repository/how-to-get-free-diamonds-on-royale-high-roblox-2021_GM431946152.pdfIn PDF document text
    • http://library.fk.upnvj.ac.id/repository/roblox-para-descargar-hackeado_GM431946152.pdfIn PDF document text
    • http://library.fk.upnvj.ac.id/repository/coin-master-hack-app-for-iphone_GM406889139.pdfIn PDF document text
    • http://library.fk.upnvj.ac.id/repository/how-to-get-a-free-doge-pack-in-roblox_GM431946152.pdfIn PDF document text
    • http://library.fk.upnvj.ac.id/repository/coin-master-hack-pc-free_GM406889139.pdfIn PDF document text
    • http://library.fk.upnvj.ac.id/repository/how-to-hack-roblox-accounts-on-ios_GM431946152.pdfIn PDF document text
    • http://library.fk.upnvj.ac.id/repository/real-working-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://library.fk.upnvj.ac.id/repository/coin-master-free-spins-link-2021-twitter_GM406889139.pdfIn PDF document text
    • http://library.fk.upnvj.ac.id/repository/free-roblox-gift-cards-pins_GM431946152.pdfIn PDF document text
    • http://library.fk.upnvj.ac.id/repository/how-to-hack-to-robux_GM431946152.pdfIn PDF document text
    • http://library.fk.upnvj.ac.id/repository/coin-master-daily-free-spin-app_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
font_00_sfnt_off00002d88.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2D88 21992 bytes
SHA-256: e6e1045470145139f75853969c0372fc91f4cad666ceaa957b2b8782b9c683ef
font_01_sfnt_off00005e44.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5E44 18820 bytes
SHA-256: 67d90ccee3cd81d7870baf8fe8d56c7f414bb1df208bdee94fd199bc15d066f2

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