Malicious PDF — malware analysis report

Static analysis result for SHA-256 b69dfdfabf62739a…

MALICIOUS

PDF

38.3 KB Created: 2020-04-09 06:30:00 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 8bc451dd27777c8cb24fc9f4f4a1e564 SHA-1: c1088ba1d84a383c79d396ef9a127b003f42925b SHA-256: b69dfdfabf62739ab9bfcb4917159e9fa8fe292668b97006cd35a8086d36ee34
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, many of which are numerically or generically named, suggesting a link farm or SEO spam tactic. The document body, though partially corrupted, contains text related to a book summary and the wkhtmltopdf tool, indicating a potential lure. The primary intent appears to be directing users to a network of websites, likely for malicious advertising, phishing, or to host further malicious content.

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://athomecincinnati.com/uploads/1/3/0/6/130621686/130621686.html#princess+in+love+book+summary
    • http://publicsafetyequipky.com/uploads/1/3/0/2/130289198/zaxub.pdf
    • http://thegymoflife.com/uploads/1/3/1/3/131398099/b6e7e.pdf
    • http://showroominsite.net/uploads/1/3/0/9/130969179/jemumupikigiwodexet.pdf
    • http://mauigranite.net/uploads/1/3/0/5/130588867/ribuzedevoket.pdf
    • http://precisionimprint.net/uploads/1/3/0/6/130620818/4003929.pdf
    • http://encyclobeerdia.com/uploads/1/3/1/3/131379544/sunanofulodunopo.pdf
    • http://gcprofilm.com/uploads/1/3/0/5/130545985/mazatizisim_wufale.pdf
    • http://mmmcherries.net/uploads/1/3/1/0/131069859/zikuvixogawuxezi.pdf
    • http://cyclights.com/uploads/1/3/0/9/130969211/xorevaza-sevasolufifeti-bumuxe.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_off00006e2b.bin
cc1c69eba13c86e1623b2a280120cf1700c75ce960d524d10850707aa69452e8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6E2B 7884 bytes

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