Malicious PDF — malware analysis report

Static analysis result for SHA-256 54846199908e6910…

MALICIOUS

PDF

35.4 KB Created: 2021-06-18 21:00:25 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: d85c065073ad2d0e34c51c828f9925af SHA-1: 648aedfe84faeee42b5754c8cf3d6c414007d788 SHA-256: 54846199908e691044b47045309317f46228bc899fb52d24276a6aac07f05e3b
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 are presented as "hacking" tools for popular games. The ML classifier strongly indicates maliciousness, and the presence of numerous SEO-like links suggests a link farm designed to distribute malware or lead users to phishing sites. The document body and heuristics indicate a lure for downloading potentially harmful content.

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.co/app/431946152/hacking-roblox-peps-game-hack PDF link annotation
    • http://pourvosvacances.com/images/getrobux-ninja_GM431946152.pdfIn PDF document text
    • http://pourvosvacances.com/images/free-coins-and-spins-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://pourvosvacances.com/images/como-conseguir-monedas-infinitas-y-tiradas-de-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://pourvosvacances.com/images/free-robux-accounts-2021_GM431946152.pdfIn PDF document text
    • http://pourvosvacances.com/images/how-to-hack-roblox-accounts-no-download_GM431946152.pdfIn PDF document text
    • http://pourvosvacances.com/images/how-to-get-free-robux-fast-and-easy_GM431946152.pdfIn PDF document text
    • http://pourvosvacances.com/images/free-robux-no-survey-or-human-verification_GM431946152.pdfIn PDF document text
    • http://pourvosvacances.com/images/coin-master-daily-free-spins-link-2021_GM406889139.pdfIn PDF document text
    • http://pourvosvacances.com/images/roblox-btools-press-n-script-hack_GM431946152.pdfIn PDF document text
    • http://pourvosvacances.com/images/how-to-get-free-robux-in-1-minute-2021_GM431946152.pdfIn PDF document text
    • http://pourvosvacances.com/images/wolf-or-other-roblox-hacks_GM431946152.pdfIn PDF document text
    • http://pourvosvacances.com/images/hack-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://pourvosvacances.com/images/coin-master-coins-free_GM406889139.pdfIn PDF document text
    • http://pourvosvacances.com/images/free-op-minecraft-servers_GM479516143.pdfIn PDF document text
    • http://pourvosvacances.com/images/coin-master-free-daily-spins-2021_GM406889139.pdfIn PDF document text
    • http://pourvosvacances.com/images/how-to-hack-roblox-players-on-ipad_GM431946152.pdfIn PDF document text
    • http://pourvosvacances.com/images/free-robux-human-verification_GM431946152.pdfIn PDF document text
    • http://pourvosvacances.com/images/roblox-sign-in-free-robux_GM431946152.pdfIn PDF document text
    • http://pourvosvacances.com/images/free-robux-generator_GM431946152.pdfIn PDF document text
    • http://pourvosvacances.com/images/2021-free-robux-today-hack-created-by-robuxian_GM431946152.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_off000034c2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x34C2 22220 bytes
SHA-256: 62bc63a26ecb17b9105d9e5b3ebe7761c379207b985dee04cad3d8bde697d2c9
font_01_sfnt_off000065e1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x65E1 18920 bytes
SHA-256: de57882e342cdee39d5d741ade2cdab63679ec5a4f9d47f69464d513bb7b6922

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