Malicious PDF — malware analysis report

Static analysis result for SHA-256 9df5dd6a080b39ca…

MALICIOUS

PDF

45.3 KB Created: 2020-05-22 17:45:17 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8b1adc16801bfe83c9e08a3629ccf811 SHA-1: 9fd788bfb2f3b94da6b7203209c8fdab4d60339b SHA-256: 9df5dd6a080b39ca2be0b594276c2f23c06aab906bf4b32d642e6df8ada413d3
62 Risk Score

Malware Insights

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

The PDF document contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. These links point to various domains, each hosting PDF files with numeric or book-related slugs. The document body contains metadata and a URL that aligns with this link farm behavior. The primary intent appears to be SEO manipulation or distributing content via a link farm, rather than a direct exploit within this PDF.

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://yulechengtikuansudukuai.br3h.com/uploads/1/3/0/7/130775592/130775592.html#gates+of+paradise+melissa+de+la+cruz
    • http://mrpodmers.com/uploads/1/3/1/0/131070071/8875428.pdf
    • http://vercayradio.net/uploads/1/3/0/5/130550827/risokemoke.pdf
    • http://tarajeandesigns.com/uploads/1/3/0/2/130289354/xofatakimisiwakufi.pdf
    • http://gtvaleting.org/uploads/1/3/0/6/130604446/zamejuzafarugikilo.pdf
    • http://insideoutsidelegalcounsel.com/uploads/1/3/0/5/130543155/15a9486.pdf
    • http://kompetitionkareoke.com/uploads/1/3/0/6/130639588/4b67a238af96.pdf
    • http://theheightswhitelinennight.com/uploads/1/3/0/6/130604532/bukajinubaxeri-tomidabe-tiwojebeli.pdf
    • http://macombcountyretirees.com/uploads/1/3/0/8/130814030/f94755d76010058.pdf
    • http://escapaide.com/uploads/1/3/0/4/130488934/xevabidejewivapa.pdf
    • http://terconsultingrp.net/uploads/1/3/1/4/131438012/movib_vuxoral_kanigu_ruwasurofozeto.pdf
    • http://midturnmarketing.com/uploads/1/3/0/3/130323705/c311c.pdf
    • http://livetantratribe.com/uploads/1/3/1/3/131398113/9115299.pdf
    • http://hypnotheose.com/uploads/1/3/0/9/130969301/8041539.pdf
    • http://szlg.blog/uploads/1/3/1/4/131437291/zafitum.pdf
    • http://towingandtransportation.com/uploads/1/3/1/8/131856108/pexikavunin.pdf
    • http://mx.mx.pabi.org/uploads/1/3/1/4/131455398/4ee092b3ef8.pdf
    • http://prettyinpinkhotterinink.com/uploads/1/3/1/0/131071113/jopugi_zodazaxibexerak_bazowuzew.pdf
    • http://ordernixnyc.com/uploads/1/3/0/6/130622093/ebd476b7da637.pdf
    • http://anchortechnologies.net/uploads/1/3/0/6/130621554/3897558.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_off0000849f.bin
48eb140cb7ed113668ffedd8bb10257908b15b2d919bd68756260f6ed1c559cb		 pdf-font-stream PDF embedded font (sfnt) at offset 0x849F 10732 bytes

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