Malicious PDF — malware analysis report

Static analysis result for SHA-256 f3d9334df75e7755…

MALICIOUS

PDF

84.0 KB Created: 2020-05-30 18:16:18 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 644bd122874666e9feb5e8bef4df7951 SHA-1: cefa02db64c3db7cec510592ae8c7a3ba7d2373e SHA-256: f3d9334df75e77551e78baa1aa806dd9604a293e9f34ce4ded941c828f15db85
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF document contains a large number of external links, many of which point to PDF files on unrelated domains, suggesting a link farm or redirection tactic. One of the embedded URIs, http://webmail.carmichaelnl.com/uploads/1/3/0/5/130547624/rovulide_gubazituxupowas.pdf, is presented as a 'john deere l 130 manual' to entice clicks. No scripts were extracted from this sample, limiting the analysis of direct malicious actions.

Heuristics 3

  • 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.
  • 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://webmail.carmichaelnl.com/uploads/1/3/0/5/130588842/130588842.html#john+deere+l+130+manual
    • http://watervilleyouthsports.com/uploads/1/3/1/4/131483155/71a0b154.pdf
    • http://natalywickham.com/uploads/1/3/1/3/131398425/firobavosaxar.pdf
    • http://beeidentification.com/uploads/1/3/0/2/130289430/8122391.pdf
    • http://squeekycleen.net/uploads/1/3/0/4/130436028/6226532.pdf
    • http://hippiecafestore.com/uploads/1/3/0/5/130547624/rovulide_gubazituxupowas.pdf
    • http://afterlifetvnetwork.com/uploads/1/3/0/5/130588503/fupijafasoropex-lusegopaki.pdf
    • http://ambiencecleaningaustralia.com/uploads/1/3/1/6/131637362/xidodej.pdf
    • http://bonespublicauction.com/uploads/1/3/0/9/130969608/7383414.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00011e48.bin
c584e3fa9c74fa8e3f0e2229dcee100e953659e714c972d7431314a9a48cfaab		 pdf-font-stream PDF embedded font (sfnt) at offset 0x11E48 11416 bytes

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