Malicious PDF — malware analysis report

Static analysis result for SHA-256 c5189b6953448299…

MALICIOUS

PDF

33.2 KB Created: 2020-06-04 22:25:39 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6cf0a70267dbae44473d8b0816242416 SHA-1: ab4bed3fa254b2664c06179e38b1e1e3326bc9c2 SHA-256: c5189b695344829970e6c664c9595232501ae6016ce5bd44363597e0edf3cf1e
62 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell T1204.002 Malicious Link

The PDF file contains a large number of external links, many of which point to domains that appear to be part of a link farm. The heuristic PDF_SEO_LINK_FARM indicates a critical finding related to this mass linking. The document body, though heavily obfuscated, contains URLs that are also present in the extracted URL list. The primary attack pattern appears to be directing users to a network of potentially malicious or spam-related websites.

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://pl2mu.slpny.com/uploads/1/3/1/0/131071220/131071220.html#scheduling+agreement+sap
    • http://danvillecornerstone.net/uploads/1/3/1/8/131857586/xenilapanoju.pdf
    • http://bettertvbuys.com/uploads/1/3/0/2/130287991/7785252.pdf
    • http://graydensolman.com/uploads/1/3/1/6/131607232/zopedenakunuxil.pdf
    • http://3cr.undesirable.us/uploads/1/3/0/8/130813764/wozasaf_vumuwezu.pdf
    • http://deeprootschristianfellowship.org/uploads/1/3/0/3/130323174/lowurowasor-sajamik-xedabozozufagow-jijedukesawazez.pdf
    • http://pl2mu.slpny.com/uploads/1/3/1/0/131071220/terms.html
    • http://pl2mu.slpny.com/uploads/1/3/1/0/131071220/dmca.html
    • http://pl2mu.slpny.com/uploads/1/3/1/0/131071220/policy.html
    • https://zavosuse377609899.files.wordpress.com/2020/06/2428769258.pdf
    • https://jidibabeja.files.wordpress.com/2020/06/gibedolimasike.pdf
    • https://bebakunapix.files.wordpress.com/2020/06/wabotikunexinabemadelujof.pdf
    • https://zorejubupet.files.wordpress.com/2020/06/62611056000.pdf
    • https://jusuxifigig.files.wordpress.com/2020/06/4575487791.pdf
    • https://roxineto.files.wordpress.com/2020/06/giwud.pdf
    • https://danugarom.files.wordpress.com/2020/06/95361963825.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_off000057e5.bin
8d6de95b75ec21ace579b99b5d3d6e512b1b7acce2704666eab141df05d9a81a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x57E5 9816 bytes

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