Malicious PDF — malware analysis report

Static analysis result for SHA-256 e7a4b91e1e1cf878…

MALICIOUS

PDF

33.5 KB Created: 2020-06-07 08:49:39 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 823ed41054ecf17a510cce639917dc6d SHA-1: 142df1b8f11ceb6977a5ad219789e8d7911c4397 SHA-256: e7a4b91e1e1cf87883f6eadadf62b888e82ed6694342462f8930e3f14c7a44f2
62 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic. The document body also contains a prominent link to 'ahpsolutions.net', which is part of this link farm. This suggests the primary purpose is to direct users to a network of sites, likely for SEO manipulation or to host further malicious content. 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://ahpsolutions.net/uploads/1/3/0/4/130475989/130475989.html#kurtulu%25C5%259F+son+durak+full+izle
    • http://romydesigns.com/uploads/1/3/1/4/131452823/zesafulezigekuw.pdf
    • http://streatfoodapp.com/uploads/1/3/0/5/130538985/dalozifulugusin-godofatoro-jobifaxo.pdf
    • http://onestrokepaintedthings.com/uploads/1/3/0/3/130379222/7879045.pdf
    • http://seemombestrong.com/uploads/1/3/0/8/130814382/pumobifovefu-doguwesesud.pdf
    • http://westminstercotowing.com/uploads/1/3/0/9/130969817/6185015.pdf
    • http://nicolesbadassblog.com/uploads/1/3/1/8/131857920/79291.pdf
    • http://mail.daveasniderauctionservice.ca/uploads/1/3/1/3/131380005/785a9cce.pdf
    • http://englishbento.org/uploads/1/3/0/6/130622000/6526861.pdf
    • https://wedigari.files.wordpress.com/2020/06/51281238374.pdf
    • https://popitaje243513875.files.wordpress.com/2020/06/bopusesugobifenu.pdf
    • https://jojowapudaji.files.wordpress.com/2020/06/7176772847.pdf
    • https://dojenus.files.wordpress.com/2020/06/visutikafexazawina.pdf
    • https://bamisenu.files.wordpress.com/2020/06/kikesaminusun.pdf
    • https://zakexigudoxu472483761.files.wordpress.com/2020/06/bisalasinaditeza.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_off000050fc.bin
a670b6da6aa04def82f54ec5b6c56e781905044ae7ff98e478dda4fe4044fa4b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x50FC 13436 bytes

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