Malicious PDF — malware analysis report

Static analysis result for SHA-256 269c8c4dda0180a4…

MALICIOUS

PDF

46.8 KB Created: 2020-04-17 07:21:55 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 729e77800e672846bda6f11727e2dcbb SHA-1: 85bae720f22d6bdcc3b2a451fddd9a46322bb0f0 SHA-256: 269c8c4dda0180a48d8c1c65006fd38e64ff220fd8f1bf11f9160ac5177a02e0
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 by the PDF_SEO_LINK_FARM heuristic. One of these links, http://9f60fpk002.com/uploads/1/3/1/3/131384291/131384291.html#adorno+dialektik+der+aufkl%C3%A4rung+pdf, is directly embedded in the document body. This suggests a tactic to redirect users to potentially malicious websites, possibly for phishing or malware distribution.

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://9f60fpk002.com/uploads/1/3/1/3/131384291/131384291.html#adorno+dialektik+der+aufkl%C3%A4rung+pdf
    • http://astrosrestaurant.ca/uploads/1/3/0/7/130775596/e123244dbf6b8b.pdf
    • http://ips4-bdpresentation.com/uploads/1/3/0/8/130813841/8ae73a75a04b7d9.pdf
    • http://gm-travels.com/uploads/1/3/0/7/130739889/1567451.pdf
    • http://goodgroundrealty.info/uploads/1/3/0/7/130739204/bimuluxitowunab.pdf
    • http://littlelotusdaycare.com/uploads/1/3/1/4/131438086/wanaroxulimuki.pdf
    • http://promtuxrentalnh.com/uploads/1/3/0/9/130969046/sopim.pdf
    • http://tinybubbleslovablesoaps.com/uploads/1/3/0/2/130287808/7953125.pdf
    • http://nassifart.com/uploads/1/3/0/4/130435589/3180199.pdf
    • http://joycemsheperd.com/uploads/1/3/0/6/130620228/4621864.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00008299.bin
3da89b966d08079f77ebb9c7541863e0d7ee81ad83e9de967242f5b758d7d08e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8299 9236 bytes
font_01_sfnt_off0000a38d.bin
e91619dfd4c72a85464d95ef1ba4e67df13020651c42071bafbe521a61d9f7fc		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA38D 2652 bytes

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