Malicious PDF — malware analysis report

Static analysis result for SHA-256 896e44af3556274f…

MALICIOUS

PDF

44.8 KB Created: 2020-04-10 05:38:04 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 6e3ed2592944e12abfea8dce312a1ef6 SHA-1: 6fe6637bda7fdea02fa66722b3fd3e37c11af365 SHA-256: 896e44af3556274fe9f34ce527d526cf567ac2fc1498f811483a8ca03f3cdfdd
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious File

The PDF file contains a large number of external links, many of which point to similarly structured URLs on different domains. The heuristic 'PDF_SEO_LINK_FARM' indicates a deliberate attempt to create a link farm, suggesting a malicious redirection or content delivery scheme. The embedded URLs are likely part of this scheme to distribute malicious content or lead users to phishing sites.

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://vicsbikerepair.com/uploads/1/3/0/2/130288629/130288629.html#conair+foot+spa+troubleshooting
    • http://ariastudioconsultants.com/uploads/1/3/0/5/130541116/73afcea9.pdf
    • http://nxcksyt.com/uploads/1/3/0/3/130379673/cbee09d344a01.pdf
    • http://englishforbusinessprofessonals.com/uploads/1/3/0/5/130588723/fd3bdd9a6c1dd.pdf
    • http://blueoceanapparel.org/uploads/1/3/1/0/131070711/fawafuva-vaxitogotit-zasese.pdf
    • http://wildworldconservation.com/uploads/1/3/1/1/131164100/8385449.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_off0000867b.bin
c39f95504a050555d5a134d42b169f5c4f4692d8b21390f48f3a1487621be395		 pdf-font-stream PDF embedded font (sfnt) at offset 0x867B 8412 bytes

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