Malicious PDF — malware analysis report

Static analysis result for SHA-256 1b150289da980052…

MALICIOUS

PDF

28.4 KB Created: 2020-04-13 22:05:35 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 91fc13cfd35361ef1ddd87d239a7bb61 SHA-1: a62f1fe505e3b6e3282928fab1bd9d0172b2a132 SHA-256: 1b150289da98005297e626473f969ea31169ad97c571d825d5e3f6343b1a289a
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a significant number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. These links point to various domains, many of which appear to be part of a link farm or SEO manipulation scheme. The primary purpose seems to be directing users to a network of websites, potentially for phishing or to host further malicious content. No scripts were extracted, limiting the analysis of direct execution capabilities.

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://marcus-roberts.com/uploads/1/3/0/6/130620454/130620454.html#camila+mendes+family+template
    • http://eckstar.nl/uploads/1/3/1/3/131382257/5425805.pdf
    • http://spsgreeninnovation.org/uploads/1/3/0/6/130640190/2372029.pdf
    • http://thedogmom.net/uploads/1/3/0/7/130738696/e7dcd8996df6.pdf
    • http://georgedelivery.com/uploads/1/3/1/4/131408131/fawesozipa.pdf
    • http://bizplan101.com/uploads/1/3/0/3/130313243/7633850.pdf
    • http://loramunnyoga.com/uploads/1/3/0/7/130739126/1289221.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_off0000451b.bin
343645f3422660cae497a98c717db028e4b6dc8f50f755714cf31c2c5b1176d2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x451B 8316 bytes

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