PDF static analysis report

Static analysis result for SHA-256 9245d79d9a926f1c…

SUSPICIOUS

PDF

41.1 KB Created: 2021-04-30 18:01:45 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: 1f6ead9eb6bc86bda8efa63d911b9b74 SHA-1: a15edaefdd302447bb78dfa907551663a1d72d25 SHA-256: 9245d79d9a926f1c3504a1adc3c826cb2b9bdf967aac85c41de868dccb521b1f
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains numerous links to external websites, many of which are disguised as downloadable files related to game cheats and hacks. The ML classifier strongly indicates maliciousness, and the presence of embedded URLs suggests an attempt to redirect users to malicious content or download further payloads. Although no scripts were explicitly extracted, the nature of the links and the ML detection point towards a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9941

Heuristics 3

  • 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.xyz/app/431946152/counter-blox-roblox-offensive-cheats-download-game-hack PDF link annotation
    • https://www.malesse.com/ckfinder/userfiles/files/free-robux-cheat-engine.pdfIn PDF document text
    • https://www.malesse.com/ckfinder/userfiles/files/hacking-my-roomates-roblox-account.pdfIn PDF document text
    • https://www.malesse.com/ckfinder/userfiles/files/grab-robux-for-free.pdfIn PDF document text
    • https://www.malesse.com/ckfinder/userfiles/files/roblox-edit-money-value-cheat-2021.pdfIn PDF document text
    • https://www.malesse.com/ckfinder/userfiles/files/how-to-get-free-robux-without-a-human-verification.pdfIn PDF document text
    • https://www.malesse.com/ckfinder/userfiles/files/how-to-make-free-admin-game-roblox.pdfIn PDF document text
    • https://www.malesse.com/ckfinder/userfiles/files/roblox-piano-hack.pdfIn PDF document text
    • https://www.malesse.com/ckfinder/userfiles/files/roblox-catalog-hacks-thumbnail.pdfIn PDF document text
    • https://www.malesse.com/ckfinder/userfiles/files/free-roblox-injector-2021.pdfIn PDF document text
    • https://www.malesse.com/ckfinder/userfiles/files/phoenix-signs-hack-roblox-account.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_003_off0000426f.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x426F 25832 bytes
SHA-256: a0db9d8c1574efe767de2ed956337b312c1977031134f631a9f24bd8ea7c65ef
font_01_sfnt_off00007c1c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7C1C 19160 bytes
SHA-256: 9a285e1e66c11b1133c8029db1ee1592d6854d6d6fe1399c69f19edc62b9ef52

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