Malicious PDF — malware analysis report

Static analysis result for SHA-256 844dfd4544076999…

MALICIOUS

PDF

34.2 KB Created: 2020-04-12 03:41:39 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 606348ae704e813f19f7d78debb2b080 SHA-1: 05acde36b75d907cd54a4f73aa36d114115c5472 SHA-256: 844dfd4544076999273a90ee6e06cfb673b27badc7c0a501a44ffc2f3719960f
62 Risk Score

Malware Insights

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

The PDF file contains a significant number of external links, identified by the PDF_SEO_LINK_FARM heuristic. These links point to various domains, suggesting a link farm or redirection scheme. The embedded document body text, though partially corrupted, contains a reference to 'Guia del cte septima sesion 2018' and the authoring application 'wkhtmltopdf', indicating it's likely a lure document. The primary intent appears to be directing users to these external URLs, which could host phishing pages or further malware.

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://jamesklebs.com/uploads/1/3/0/5/130540472/130540472.html#guia+del+cte+septima+sesion+2018
    • http://mona-qatar.com/uploads/1/3/0/4/130475979/koloxixogiluf_toxibaxuda_tubolit.pdf
    • http://southernvintagemarketplace.com/uploads/1/3/1/4/131409508/fozovepukorit.pdf
    • http://kidscargo.org/uploads/1/3/1/1/131164531/809907.pdf
    • http://lifecycle5.org/uploads/1/3/0/7/130776304/21ee92b.pdf
    • http://shadowriderwoodcraft.com/uploads/1/3/0/6/130639538/lemawibesub_fagexi_zegabefelira.pdf
    • http://admarcsouthwest.com/uploads/1/3/0/3/130379216/merut_jalepepet_lomexinuwaf.pdf
    • http://kimberlyallston.com/uploads/1/3/0/5/130540661/c09f78.pdf
    • http://thelizardbarn.com/uploads/1/3/0/7/130775986/ropiv.pdf
    • http://enviosusaecuador.com/uploads/1/3/0/7/130739564/3524596.pdf
    • http://enviosusaecuador.com/uploads/1/3/0/7/13073
    • 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_off00005c26.bin
ce55d19532b1dffe3cef530d6f7b26a254af18789698f40d39de61b2916678d8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5C26 8524 bytes

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