Malicious PDF — malware analysis report

Static analysis result for SHA-256 d4cb489cf7caf224…

MALICIOUS

PDF

70.3 KB Created: 2020-04-01 18:46:19 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 3ad40d2f9de66dc36d43beb2b816827a SHA-1: 059f42a18754f3f196d1a69f2b83dc8b518ae6a7 SHA-256: d4cb489cf7caf224b90a7fff8d5ec1ffc7abbefb1c759f2a0dbd0f5eaf6c1a77
62 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, many of which point to similarly structured URLs on different domains. This behavior is indicative of a link farm or SEO scam designed to drive traffic to various sites. The document body text, while partially obfuscated, includes a reference to 'Integracion sensorial en los ni os' and the wkhtmltopdf application, suggesting a lure to disguise the malicious intent. No scripts were extracted, limiting the analysis of direct payload delivery mechanisms.

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://teamgls.com/uploads/1/3/0/5/130551106/130551106.html#integracion+sensorial+en+los+ni%C3%B1os
    • http://mcaroadsidedeals.com/uploads/1/3/0/5/130543945/fofif.pdf
    • http://hjerlhedenaturl�b.dk/uploads/1/3/0/2/130289096/sedubisurefogas.pdf
    • http://shivshaktiyoga.org/uploads/1/3/0/4/130476309/riromidolidum.pdf
    • http://salaloiafitness.com/uploads/1/3/0/7/130776033/viloliw.pdf
    • http://karobud.com/uploads/1/3/0/7/130775050/8e76e.pdf
    • http://detailed-solutions.com/uploads/1/3/1/3/131379781/zosikezawisalo_fijisu_kukumowopabe_vuzeparo.pdf
    • http://leadgenerationaustralia.com/uploads/1/3/0/7/130775223/6283533.pdf
    • http://thatperfectsomethinggiftshop.ca/uploads/1/3/0/6/130639197/jafeduxowugew-bavavoxegagad-turadapuje.pdf
    • http://beautyonthegobyjessica.com/uploads/1/3/0/7/130739828/nizirupofoj.pdf
    • http://synopticroots.com/uploads/1/3/0/8/130814921/4901896.pdf
    • http://mywhatispoverty.com/uploads/1/3/1/3/131378835/bodon-dimas-furitosilak.pdf
    • http://mokshaflowers.com/uploads/1/3/1/1/131163955/sisafevumorarax.pdf
    • http://chat-dot-sparkle.com/uploads/1/3/0/3/130379158/6589972.pdf
    • http://mainospyloni.com/uploads/1/3/0/3/130313006/8632627.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_off0000e67f.bin
dda654049927ba28a6f1a70ccecd9493227693f04d64471c3f711b1b9abbc73d		 pdf-font-stream PDF embedded font (sfnt) at offset 0xE67F 9936 bytes

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