Malicious PDF — malware analysis report

Static analysis result for SHA-256 eab5d757b893e3c2…

MALICIOUS

PDF

45.1 KB Created: 2020-03-11 04:28:03 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 5787ec484361cc606b1076ee08e8de00 SHA-1: 080298c3288976a67d0d323216670285af6dfb6c SHA-256: eab5d757b893e3c263a3a1af2aef60d5a3f4402ee21fd831369fc416e670e173
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF document contains a large number of external links, many of which point to similarly structured URLs on various domains. The document body, though partially corrupted, contains references to 'Setting critical path in ms project 2010' and 'wkhtmltopdf', suggesting a lure to trick users into visiting these sites. The heuristic 'PDF_SEO_LINK_FARM' indicates a mass of external links, likely for SEO poisoning or to distribute malware. The presence of numerous unknown-reputation URLs strongly suggests a malicious distribution campaign.

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://zdzz.brdge.org/uploads/1/3/0/6/130620635/130620635.html#setting+critical+path+in+ms+project+2010
    • http://bardfamilymarketgarden.com/uploads/1/3/0/5/130551630/eee8a0e5702c.pdf
    • http://hostmaster.qualitystitch.co.uk/uploads/1/3/0/3/130313612/vimiketogad.pdf
    • http://74-123-77-221.mgwnet.com/uploads/1/3/0/6/130604931/6e039d0.pdf
    • http://74-123-73-5.mgwnet.com/uploads/1/3/0/6/130620575/7450526.pdf
    • http://mylunarsign.com/uploads/1/3/0/7/130739127/5568413.pdf
    • http://www.h2oshotblast.co.uk/uploads/1/3/0/8/130813869/b65490943.pdf
    • http://stylishpartyware.com/uploads/1/3/0/6/130621135/nemij.pdf
    • http://mta-sts.hansonhoneybee.com/uploads/1/3/0/7/130775172/a79bd8cf.pdf
    • http://extradecenter.com/uploads/1/3/0/5/130543488/510593b94b.pdf
    • http://nathaniel-gaynor.com/uploads/1/3/0/5/130590461/b4d04973.pdf
    • http://eumid.com/uploads/1/3/0/4/130483477/lelivuseni.pdf
    • http://jsanchez17.com/uploads/1/3/0/2/130272452/jifefixam.pdf
    • http://zofe.fr/uploads/1/3/0/6/130604543/c06910657b61.pdf
    • http://bicyclexplorers.com/uploads/1/3/0/5/130551623/a6db0e67a.pdf
    • http://hostmaster.irissrl.org/uploads/1/3/0/2/130271205/9646671.pdf
    • http://munchkin-monitor.com/uploads/1/3/0/6/130620865/8460b2e.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_off00008a67.bin
6bfccb4963e453ba414f8fc1962676004dc326e0e0bdc946870f1d1ed000df49		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8A67 7248 bytes

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