Malicious PDF — malware analysis report

Static analysis result for SHA-256 8c6e09d73cd1ea9f…

MALICIOUS

PDF

39.7 KB Created: 2020-05-26 02:32:51 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6ce9b7ac7f3271606ba5e752451ac4bd SHA-1: 97a9ac981b8f30166aff4036ee8e478937e06123 SHA-256: 8c6e09d73cd1ea9f06b96b337d4f683e2aac657aa006d707878a16dbad198a24
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a large number of external links to various domains, many of which appear to be part of an SEO link farm. The document body contains garbled text and references to 'Marvel timeline movies', suggesting a lure. The primary purpose appears to be directing users to a network of SEO-optimized PDF files, likely for malicious redirection or content hosting.

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://mtcomputerservices.com/uploads/1/3/0/4/130435598/130435598.html#marvel+timeline+movies
    • http://annarborcleaningco.com/uploads/1/3/1/3/131379434/niruzenagolaje.pdf
    • http://leaningdogstuffies.com/uploads/1/3/0/9/130969411/pufaganokomufipukes.pdf
    • http://thefixcbdshop.com/uploads/1/3/0/6/130620449/folikekotefebe.pdf
    • http://kingdomreconstruction.com/uploads/1/3/0/8/130874439/183292e2.pdf
    • http://heyhagan.com/uploads/1/3/0/7/130775683/98cf5b14dd3.pdf
    • http://mig-computer.org/uploads/1/3/0/6/130621093/zasuz.pdf
    • http://fridapeople.cinderellalucinda.com/uploads/1/3/0/2/130270945/cbf9d0dcb.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_off00007088.bin
d9f02bc6bb8f54f476acff9d84e5024442a8b7ebdd54b143d07e57cd2cac8f06		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7088 10428 bytes

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