Malicious PDF — malware analysis report

Static analysis result for SHA-256 2e7ba49f5ae43e65…

MALICIOUS

PDF

36.7 KB Created: 2020-06-20 23:04:48 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 73ea2a4d12baed001a631bd2b6beee07 SHA-1: b68c14ea27d409005cf343cd6cae493cdfe2f16b SHA-256: 2e7ba49f5ae43e65be947b90b9ff17afe9dc7d1ec7a1a185ce54d3786d79c1d5
62 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded external links, many of which are numerically or generically named, suggesting a link farm or SEO poisoning tactic. The document body, though partially corrupted, indicates a lure related to a "Potscrubber dishwasher manual" to disguise the malicious intent. The primary goal appears to be directing users to a network of suspicious websites.

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://virtualoffice.cocreativ.com/uploads/1/3/1/3/131380998/131380998.html#potscrubber+dishwasher+manual
    • http://zoeshotelsecrets.com/uploads/1/3/0/3/130312950/6809381.pdf
    • http://newleafereit.com/uploads/1/3/0/6/130639839/lobuxoludogal.pdf
    • http://reliantservices.info/uploads/1/3/1/4/131453087/50967bd7cd3c.pdf
    • http://minimaldatayang.com/uploads/1/3/1/0/131070204/7047354.pdf
    • http://katrinacjohnsonphd.com/uploads/1/3/1/6/131606940/nobegalagiripazevepu.pdf
    • http://blessedbuildingconsultants.com/uploads/1/3/1/4/131482963/7574c41c.pdf
    • http://74-123-79-170.mgwnet.com/uploads/1/3/1/6/131606065/kunibakogefasizori.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_off00004ee8.bin
0867a217c8b12fda929afcf276aa0f84eaa3204ca4e5c89b8a161ea5dd4de6f3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4EE8 5292 bytes
font_01_sfnt_off000060c2.bin
9704a627e55003188e45e15ef0b5c3b5ccc417612ed6cd975761c5d80366290d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x60C2 11200 bytes

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