Malicious PDF — malware analysis report

Static analysis result for SHA-256 ad0b2c03b4ae6653…

MALICIOUS

PDF

32.3 KB Created: 2020-04-08 11:01:44 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 5df1f86d1fe2c8784eb5f92439200686 SHA-1: cc075f29b0d71d12079b37c61f54d220967b1609 SHA-256: ad0b2c03b4ae66533d3bc5c8c21ab52959eda0b1c118a076050aec412fe6bfda
62 Risk Score

Malware Insights

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

The PDF document contains a heuristic firing for PDF_SEO_LINK_FARM, indicating a large number of external links. The document body also contains embedded URLs that point to various domains, suggesting a link farm or redirection mechanism. The primary purpose appears to be directing users to these external sites, which could host further malicious content or phishing pages.

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://lancasterec.com/uploads/1/3/0/9/130969764/130969764.html#capresso+grinder+spare+parts
    • http://koalaphone.org/uploads/1/3/1/4/131437683/4981814.pdf
    • http://pledgeagainstbulling.com/uploads/1/3/0/6/130639790/7154164.pdf
    • http://growingasone.com/uploads/1/3/0/2/130270911/mudepevul.pdf
    • http://leehighwayalliance.org/uploads/1/3/0/5/130589220/wesapiveb.pdf
    • http://floridafamilyfuntravel.com/uploads/1/3/1/4/131437425/d7ae154f58972c.pdf
    • http://robertshaffertherealtorslender.com/uploads/1/3/0/9/130968976/tenali_tixiwifolekavot.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_off000056c9.bin
56e1f12be92e1a61d23b84cb9966729127c5ce71cd268923cb78647d06781f30		 pdf-font-stream PDF embedded font (sfnt) at offset 0x56C9 7728 bytes

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