Malicious PDF — malware analysis report

Static analysis result for SHA-256 f3b6975999699bd5…

MALICIOUS

PDF

38.2 KB Created: 2020-04-04 13:18:17 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 4c085f6feb494b90a11ea187241739f4 SHA-1: 339d2913ea00ff3bd8fcbb688eaabd31c449b0d9 SHA-256: f3b6975999699bd5664cf13963ba98820622c8f9bfd79b41f01b66d747456e95
62 Risk Score

Malware Insights

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

The PDF document contains a large number of external links, identified as a 'PDF_SEO_LINK_FARM' heuristic. The document body text, though partially obfuscated, includes a question about PowerPoint and several URLs. These URLs are likely part of a link farm designed to drive traffic to potentially malicious sites, masquerading as search results or informational 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://pragueprivatetransfers.com/uploads/1/3/0/5/130588382/130588382.html#cuales+son+los+elementos+de+la+pantalla+inicial+de+power+point+2013
    • http://myantchain.com/uploads/1/3/0/4/130483158/8e7acc1880.pdf
    • http://kineticclimbingnj.com/uploads/1/3/1/3/131378970/roxufeja.pdf
    • http://savingazkids.org/uploads/1/3/0/8/130813923/7842167.pdf
    • http://k-singh.info/uploads/1/3/0/8/130874121/bokukati.pdf
    • http://dogpatchtoo.com/uploads/1/3/0/7/130775743/roxenobapuma.pdf
    • http://jnbuilding.adviser.live/uploads/1/3/0/9/130969385/43bdb0153569c8.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_off00006949.bin
f2dd8f7b6a926fc3fa37ebb8c73279285e2f6bd6f7d745a8a1584e8f630e42c8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6949 8996 bytes

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