Malicious PDF — malware analysis report

Static analysis result for SHA-256 d6d88e1a6b0d2a96…

MALICIOUS

PDF

36.4 KB Created: 2020-05-19 13:16:02 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 488d32113e487872842650d0343655c2 SHA-1: 364a8f977935142b2a790b60b8cfe8cd726611ab SHA-256: d6d88e1a6b0d2a96c95712a2135eb30e3d6b56b6d6ee594a57461b990aa76d91
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 to various domains, indicating a link farm or redirection scheme. The heuristic 'PDF_SEO_LINK_FARM' specifically flags this behavior, suggesting the document is designed to drive traffic to these external sites. No scripts were extracted, and the document body is largely unreadable, making it difficult to determine the exact final payload. The primary attack pattern involves leveraging these numerous external 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://embodiworksgolden.com/uploads/1/3/0/9/130968985/130968985.html#franny+and+zooey+jesus+prayer
    • http://neworleanspallet.net/uploads/1/3/0/4/130477170/jezoz.pdf
    • http://daisyportraits.com/uploads/1/3/0/7/130740412/39a61e5a622.pdf
    • http://designresourcesclub.com/uploads/1/3/0/6/130605078/2228157.pdf
    • http://miguelcortez.com/uploads/1/3/0/7/130740209/bupugo_newibuvedatase.pdf
    • http://heartofhazel.net/uploads/1/3/0/3/130324248/kesenugizanopa.pdf
    • http://nextlevelaffairs.com/uploads/1/3/0/2/130272233/muluvavipajutet.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_off000063fc.bin
60c26d2f18b7dc36fa63679b82a45e93ba5b543c5b0443a55934aba563462ff0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x63FC 10256 bytes

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