Malicious PDF — malware analysis report

Static analysis result for SHA-256 d95c1e0109e123b0…

MALICIOUS

PDF

66.8 KB Created: 2020-03-26 01:39:00 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 8905767a2d76bfd535facce5e94e4ef8 SHA-1: 3d9ca0e0463e45fa8eee655708d97936bf10e596 SHA-256: d95c1e0109e123b065091381ceea1573f0c38b34346720e5d96a84cb4253215a
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link T1059.001 PowerShell

The PDF file contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic, pointing to various domains. The embedded document body text, though partially corrupted, includes a URL that is also present in the list of extracted URLs. This suggests the document is designed to redirect users to potentially malicious content hosted on these external sites, likely for SEO manipulation or to serve as a lure for further attacks. No scripts were extracted, limiting the analysis of direct malicious actions.

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://themieparty.net/uploads/1/3/0/4/130483679/130483679.html#calculo+de+relacion+de+transmision+por+poleas
    • http://sandeshove.be/uploads/1/3/0/2/130273843/8347382.pdf
    • http://www.mayahypnotherapy.com/uploads/1/3/0/4/130483350/magomo-najulawesi-tosememadupifur.pdf
    • http://artcenterlosangeles.com/uploads/1/3/0/2/130289173/5632309.pdf
    • http://novellicompetizione.com/uploads/1/3/0/8/130813710/d5e68a30f.pdf
    • http://stonypfm.com/uploads/1/3/0/5/130590139/nedojenepifabufa.pdf
    • http://brofam.info/uploads/1/3/0/3/130323594/7474787.pdf
    • http://mta-sts.kriswongbarrie.com/uploads/1/3/0/7/130738562/vubanabojiwo_valilixerimaso.pdf
    • http://countrysquireinn.com/uploads/1/3/0/4/130483238/3349272.pdf
    • http://bowriverflyfishingcompany.com/uploads/1/3/0/6/130621451/tomelefifodupojute.pdf
    • http://dashanren.com/uploads/1/3/0/7/130740265/9435065.pdf
    • http://4loveoflaw.com/uploads/1/3/0/8/130874129/nikid.pdf
    • http://branson2015mwite.com/uploads/1/3/0/8/130813779/gavekudu-nulewudefi.pdf
    • http://scsiptyltd.com/uploads/1/3/0/3/130379074/sebumunewasebam.pdf
    • http://markanderson.studio/uploads/1/3/0/8/130814749/2e3b42e6053d6e9.pdf
    • http://msptohumboldtproducts.com/uploads/1/3/0/5/130588670/2453228.pdf
    • http://nicoleboyer.net/uploads/1/3/0/5/130588388/aeb302f.pdf
    • http://onetenna.com/uploads/1/3/0/5/130550732/fezetuma.pdf
    • http://www.solaaofficial.com/uploads/1/3/0/5/130543996/girupupi.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_off0000d10e.bin
a90d0fb73f34fc87f9f43708fb423af6af756be5455095a24f30229cd76bb125		 pdf-font-stream PDF embedded font (sfnt) at offset 0xD10E 9484 bytes
font_01_sfnt_off0000f36d.bin
1ec5e4369fa4295c2cd6b0b3a1791cabbbdecd5398ecc7ca77fac8fc27e625d5		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF36D 2612 bytes

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