Malicious PDF — malware analysis report

Static analysis result for SHA-256 8d226f3681d207c1…

MALICIOUS

PDF

47.6 KB Created: 2020-04-02 20:50:12 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 8ecdf3470f4c65ea699dc0cd44afe8a6 SHA-1: b93ae16f5eb392e8609f006a2caf21facb0ea939 SHA-256: 8d226f3681d207c148c7f65e459dbe9018b6af33472dd04d22febc020e67833f
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, a technique often used for SEO manipulation or to redirect users to malicious sites. The heuristic 'PDF_SEO_LINK_FARM' specifically flags this behavior. The document body, though heavily obfuscated, contains URLs that are also present in the extracted URL list, reinforcing the link farm attack pattern. No scripts were extracted from this sample.

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://switalia.com/uploads/1/3/0/2/130272353/130272353.html#the+rosie+effect+summary
    • http://fatgirlcocktails.com/uploads/1/3/1/4/131452883/matubafasudo.pdf
    • http://mygas.vip/uploads/1/3/0/7/130774965/1081658.pdf
    • http://51vapellc.com/uploads/1/3/0/6/130620399/wuwoki_zosijawo_vofivilemejud_xejawuguxis.pdf
    • http://kerrycannon.com/uploads/1/3/1/0/131070137/jerepoba-pipawexusokezo.pdf
    • http://linseyhampton.com/uploads/1/3/0/6/130604287/9496889.pdf
    • http://lamphunchurch.com/uploads/1/3/1/0/131070846/27ee4bff.pdf
    • http://nicolemarchantintuitive.com/uploads/1/3/0/3/130379115/3693398.pdf
    • http://wearelaura.com/uploads/1/3/0/3/130379295/sokovedolurutepa.pdf
    • http://woulibamrestaurant.com/uploads/1/3/0/7/130740521/japuvawumov.pdf
    • http://mitrakermani.com/uploads/1/3/0/3/130313284/lowid.pdf
    • http://catalinamariac.com/uploads/1/3/0/3/130379192/3114361.pdf
    • http://kerriturnerpianostudio.com/uploads/1/3/0/5/130589401/82dff3ae1e4f2e.pdf
    • http://luxuryrepresentation.com/uploads/1/3/0/6/130604951/076cb13b03a65.pdf
    • http://madridelectricllc.com/uploads/1/3/0/8/130874220/5439205.pdf
    • http://tradewinrealtyus.com/uploads/1/3/0/4/130483583/2556b153df05b.pdf
    • http://mywelltrek.com/uploads/1/3/0/4/130435588/3bbf101b1d8.pdf
    • http://autodiscover.theafzelius.com/uploads/1/3/0/6/130639509/lezabuserotez.pdf
    • http://livinghistorysa.com/uploads/1/3/0/4/130483918/wixoguga.pdf
    • http://covalentroasters.com/uploads/1/3/1/4/131408068/1c6b83cdf448.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_off000091e5.bin
c1d43861667fffdeb7d875d03087b3cb3b2e3c95e43940b3dcdad26d34f28cfd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x91E5 8252 bytes

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