Malicious PDF — malware analysis report

Static analysis result for SHA-256 a4abee8d9e5d67e5…

MALICIOUS

PDF

39.1 KB Created: 2020-03-29 11:10:20 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 6744e054630a5cc0ad07f18212edfd09 SHA-1: 3a68dffbcd6033af317657178dc4723fba2e87a6 SHA-256: a4abee8d9e5d67e5ebf4a64dca51100fb56abb5707c5e125f516ac3d47b16dfc
62 Risk Score

Malware Insights

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

The PDF document contains a large number of embedded external links, a technique often used for SEO poisoning or to direct users to malicious content. The document body, though partially corrupted, includes a URL that matches one of the embedded links, suggesting a deliberate attempt to redirect the user. The heuristic 'PDF_SEO_LINK_FARM' strongly indicates this malicious intent.

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://74-123-76-48.mgwnet.com/uploads/1/3/0/6/130621487/130621487.html#perfil+epidemiologico+en+mexico
    • http://alexrobertholmes.com/uploads/1/3/0/6/130605133/bodax.pdf
    • http://patriciagabe.com/uploads/1/3/0/3/130313157/pinuwedam.pdf
    • http://vidafitnessparis.fr/uploads/1/3/0/7/130775883/fewatej-kosufeneralu-giwovunufomip-xajepotideganex.pdf
    • http://charlottepulsecenter.net/uploads/1/3/0/8/130874246/nunejifa.pdf
    • http://www.candjpowdercoating.com/uploads/1/3/0/6/130604406/besibilamu_tulonazemo.pdf
    • http://jekerlab.org/uploads/1/3/0/7/130738525/bewejub-xewurixekuso.pdf
    • http://springwaterorchids.com/uploads/1/3/0/8/130814682/koramegipurujerud.pdf
    • http://cpanel.kthmc.com.np/uploads/1/3/0/5/130539871/gakamogupuji.pdf
    • http://rebeccamccay.com/uploads/1/3/0/5/130588376/suvilojewadu.pdf
    • http://voilaeng.com/uploads/1/3/0/3/130323748/798a8d779ee120.pdf
    • http://evelynrosier.nl/uploads/1/3/1/3/131379168/63c44137.pdf
    • http://illuminatedvitality.com/uploads/1/3/1/0/131070883/50043f53.pdf
    • http://onewaychurch.co.za/uploads/1/3/0/6/130621068/7967563.pdf
    • http://one54online.com/uploads/1/3/0/4/130435536/e2739.pdf
    • http://www.demo.easy-backpacker.com/uploads/1/3/0/8/130814070/976423.pdf
    • http://leahmarshall.com.au/uploads/1/3/1/0/131070305/1408870.pdf
    • http://khatibenergy.com/uploads/1/3/0/4/130488331/kogebimiloro.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_off00006e55.bin
f8732fb2acecaa247fd2525a7b630e56116a1f6deabcf7adfb8892ac754cf3d3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6E55 8576 bytes

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