Malicious PDF — malware analysis report

Static analysis result for SHA-256 43469282f56813b0…

MALICIOUS

PDF

51.0 KB Created: 2020-05-14 17:09:37 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4f1513b2fd4d90870a142bc5b7f48582 SHA-1: 2ba996cb6b44a811ee64ec666677dfddb1cea0d5 SHA-256: 43469282f56813b0f8e394d4e835bebf0869f0d9419a3698e9213bc1dbd69b3b
62 Risk Score

Malware Insights

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

The PDF contains a large number of external links, many of which point to domains that appear to be part of a link farm designed for SEO manipulation. The document body, though heavily obfuscated, contains references to Arabic fonts and URLs, suggesting a lure to trick users into visiting malicious sites. The heuristic PDF_SEO_LINK_FARM strongly indicates a malicious intent to distribute content or malware via these links.

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://hoptransport.com/uploads/1/3/0/6/130604716/130604716.html#arabic+fonts++free+for+mac
    • http://youreverydayassistant.com/uploads/1/3/0/2/130289367/4270091.pdf
    • http://thenhdogcompany.com/uploads/1/3/1/1/131164394/nudebevufuxajag.pdf
    • http://belindawabelo.com/uploads/1/3/1/0/131069923/d12a07b.pdf
    • http://premiumpropertiesremodeling-rentals.com/uploads/1/3/0/2/130289421/8995627.pdf
    • http://downtownbendvacationrentals.com/uploads/1/3/0/7/130739994/tawivavuvux.pdf
    • http://riveflowyoga.com/uploads/1/3/0/5/130543064/pudobaxuxadumil-sevaporodevu-nizab.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_off00009b3e.bin
36dc01a5de19c74e7e0918682d55e613a8868f8d1c27457ea677ea7c0b79093c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9B3E 11196 bytes

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