Malicious PDF — malware analysis report

Static analysis result for SHA-256 d5a2c30d0aaccdc3…

MALICIOUS

PDF

35.8 KB Created: 2020-04-08 23:43:58 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 54fc89fd29c1ed03c07df1739d8fed4d SHA-1: 92fa948a2a28a5044bd154ea2df8251f69ab90a4 SHA-256: d5a2c30d0aaccdc38b4077f4d5213ce5cd3862c63566aa2b5cb08a8645f0368d
62 Risk Score

Malware Insights

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

The PDF document contains a significant number of external links, as indicated by the PDF_SEO_LINK_FARM heuristic. These links point to various domains, suggesting a link farm or redirection scheme. The embedded document body text also contains one of these URLs, reinforcing the malicious intent. No scripts were extracted, limiting the analysis to the document structure and embedded links.

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://buyorsellyours.com/uploads/1/3/0/5/130539336/130539336.html#5c+auto+auction+austin+indiana
    • http://clinicalatinoamericanatelge.com/uploads/1/3/0/2/130272963/neruwuf.pdf
    • http://cb15.org/uploads/1/3/0/9/130969570/60afc6a3a6a.pdf
    • http://cp-tools.net/uploads/1/3/0/5/130590138/zitub-dalikedulo-jobowifajesip.pdf
    • http://shardexplorers.com/uploads/1/3/0/6/130620959/6091951.pdf
    • http://djmomradio.com/uploads/1/3/0/9/130969884/jodaw.pdf
    • http://rkcc-ca.com/uploads/1/3/0/5/130551086/2ad3e370db.pdf
    • http://usabeachtour.org/uploads/1/3/0/6/130620460/6b8e11522496366.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_off00006257.bin
ef11f9e0a1028e51961d1ab1656ee83b21fd230b879c98eb36ed5e8fc013fd71		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6257 8620 bytes

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