Malicious PDF — malware analysis report

Static analysis result for SHA-256 fdd0ef5f1ffdac76…

MALICIOUS

PDF

41.8 KB Created: 2020-04-26 04:42:36 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 4dd7c4d1b43d20ffdc95702f963f74ef SHA-1: f37e1747b195b945dc4c9ad755a8a5c9c0f0973a SHA-256: fdd0ef5f1ffdac763de706bbda38e408ddf949cd2b1c92a308a15cdd142a46bb
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains numerous external links, a common tactic for SEO poisoning or redirecting users to malicious sites. The document body, though heavily obfuscated, contains text suggesting it is a template for an office policy and procedure manual, which is likely a lure. The heuristic PDF_SEO_LINK_FARM specifically indicates a mass of external PDF links, suggesting a link farm or similar SEO manipulation technique to drive traffic to potentially malicious content.

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://marmarworld.com/uploads/1/3/1/4/131437566/131437566.html#office+policy+and+procedure+manual+template
    • http://anzik.com/uploads/1/3/0/6/130620950/vutemenisoj-neguxusoxugilu-piwupobo.pdf
    • http://getcloakt.com/uploads/1/3/0/4/130489122/24244f.pdf
    • http://stevenyasell.com/uploads/1/3/1/3/131380582/3b00db885.pdf
    • http://stridestronger.com/uploads/1/3/1/3/131380177/fewel.pdf
    • http://roberthixsonappraiser.com/uploads/1/3/0/6/130620484/1357084.pdf
    • http://berkshirefacilityservices.com/uploads/1/3/0/4/130483848/migagux-kojuluz.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_off00007b2f.bin
8bb91258ad6489974f7efbdf57f0284c720ea41b592394fd8e3c19313fc1ef19		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7B2F 7856 bytes

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