Malicious PDF — malware analysis report

Static analysis result for SHA-256 0d5504ebe5805eba…

MALICIOUS

PDF

48.1 KB Created: 2021-06-08 21:00:30 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 4d2a89dcb150a6c26ecb8a0105913af1 SHA-1: fa63a13403aeba19514ba096e3c5621143d62ec4 SHA-256: 0d5504ebe5805ebadd0f54b46d5333a8f9f01484ed9ce02144e85b7a5f57cf00
102 Risk Score

Malware Insights

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

The PDF document contains a large number of external links, many of which point to other PDF files hosted on similar domains, suggesting a link farm designed to attract users searching for game cheats and hacks. The presence of a "download button" heuristic further supports the idea that the document is intended to trick users into clicking links that may lead to malicious content or further compromise. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9871

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-linkmon99-roblox-game-hack PDF link annotation
    • http://casabea.de/images/roblox-hack-generator_GM431946152.pdfIn PDF document text
    • http://casabea.de/images/free-robux-generator-no-human-verification_GM431946152.pdfIn PDF document text
    • http://casabea.de/images/coin-master-time-speed-hack_GM406889139.pdfIn PDF document text
    • http://casabea.de/images/free-spin-codes-coin-master_GM406889139.pdfIn PDF document text
    • http://casabea.de/images/free-coins-and-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://casabea.de/images/will-minecraft-dungeons-be-free_GM479516143.pdfIn PDF document text
    • http://casabea.de/images/how-to-hack-roblox-accounts-2021-easy_GM431946152.pdfIn PDF document text
    • http://casabea.de/images/minecraft-games-free-to-play-online_GM479516143.pdfIn PDF document text
    • http://casabea.de/images/coin-master-real-free-spins_GM406889139.pdfIn PDF document text
    • http://casabea.de/images/free-robux-2021_GM431946152.pdfIn PDF document text
    • http://casabea.de/images/coin-master-hack-apk-2021_GM406889139.pdfIn PDF document text
    • http://casabea.de/images/chisel-and-bits-mod-minecraft-pe_GM479516143.pdfIn PDF document text
    • http://casabea.de/images/100-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://casabea.de/images/how-to-get-free-minecraft-windows-10_GM479516143.pdfIn PDF document text
    • http://casabea.de/images/snapes-free-download-roblox_GM431946152.pdfIn PDF document text
    • http://casabea.de/images/how-to-get-free-robux-hack-2021_GM431946152.pdfIn PDF document text
    • http://casabea.de/images/minecraft-ps4-free_GM479516143.pdfIn PDF document text
    • http://casabea.de/images/coinmaster-free-cards_GM406889139.pdfIn PDF document text
    • http://casabea.de/images/free-spins-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://casabea.de/images/minecraft-bedrock-edition-pc-download-free_GM479516143.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_off0000597e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x597E 27792 bytes
SHA-256: 34432e8cc51eb2dc536545cc416e11b2dd8597a71c364eb78e1b6a279c9f4958
font_01_sfnt_off000097fc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x97FC 18892 bytes
SHA-256: 3413f2991e34f3a312bfb2b29a2ac85056913955f2ebd7386553a333b5ebfb00

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