Malicious PDF — malware analysis report

Static analysis result for SHA-256 3590248817502d34…

MALICIOUS

PDF

34.7 KB Created: 2020-04-22 09:39:27 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 6554a974deeccbb8f859b4092839f1a8 SHA-1: 300e31e31b63a7d6dc093021d31e09b09eaae65e SHA-256: 3590248817502d3465349dacd17951dbad310e632245279a7cd99b43cfc3b9e7
62 Risk Score

Malware Insights

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

The PDF contains numerous embedded links to external websites, many of which are structured as SEO-optimized PDF links. The document body, though heavily obfuscated, contains text fragments that suggest a lure related to 'Nunn's chess openings pdf'. The primary heuristic indicates a 'PDF_SEO_LINK_FARM', suggesting the document's purpose is to drive traffic to a network of related domains, likely for malicious advertising or phishing.

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://quarlesmechanical.com/uploads/1/3/0/3/130323703/130323703.html#nunn%27+s+chess+openings+pdf
    • http://caringangelshomeofflorida.com/uploads/1/3/0/3/130313106/3762560.pdf
    • http://sharemycgdstory.com/uploads/1/3/0/5/130547846/7841c76.pdf
    • http://brydgescpa.com/uploads/1/3/0/8/130874645/vopolon-xorasorapupomix-mekogezejerapig-rawep.pdf
    • http://mirrordetailing.com/uploads/1/3/0/3/130379381/f2db2d.pdf
    • http://msbridgethaber.com/uploads/1/3/1/3/131398234/5509642.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_off0000606a.bin
fa1dd44ec558966b83f534f7ea3955c8e3cd3fdcf13df89e2dd4c613975e1b53		 pdf-font-stream PDF embedded font (sfnt) at offset 0x606A 8000 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.