Malicious PDF — malware analysis report

Static analysis result for SHA-256 79e1821c8ceca640…

MALICIOUS

PDF

34.9 KB Created: 2020-06-06 13:41:55 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 43a4c51fe092f1e076b989e918aaf4a3 SHA-1: e5ec2128aed2c8b861f2682c4502d57c07baf0f2 SHA-256: 79e1821c8ceca64016ebd6877e84b799f3e24c0a4136fe5e066419a4e5676e8b
62 Risk Score

Malware Insights

MITRE ATT&CK
T1598 Gather Victim Identity Information T1204 Malicious Link

The PDF file contains a large number of 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 designed to artificially inflate search engine rankings or distribute traffic. The document body contains a reference to '2004 fleetwood yuma pop up camper specs', which is likely a lure to attract users to click on the embedded links. The primary intent 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://carlosdia.com/uploads/1/3/0/6/130604986/130604986.html#2004+fleetwood+yuma+pop+up+camper+specs
    • http://tdtusa.com/uploads/1/3/1/4/131438177/fivogosexapajo_wibosilukokejav.pdf
    • http://webmail.pilgrimadventures.com/uploads/1/3/1/4/131407530/7837117.pdf
    • http://oakislandhomeowners.org/uploads/1/3/0/6/130604355/riwedogolixufet-tuturumov.pdf
    • http://coach4coach.net/uploads/1/3/0/6/130620729/d92ba.pdf
    • http://lumbertonlandscapes.com/uploads/1/3/0/2/130272880/9509577.pdf
    • http://carlosdia.com/uploads/1/3/0/6/130604986/terms.html
    • http://carlosdia.com/uploads/1/3/0/6/130604986/dmca.html
    • http://carlosdia.com/uploads/1/3/0/6/130604986/policy.html
    • http://carlosdia.com
    • https://xomexanuk.files.wordpress.com/2020/06/lujubuginekemibe.pdf
    • https://tenevubajigu.files.wordpress.com/2020/06/nuvonowaxaxirevimuwowe.pdf
    • https://kuxomujije576439683.files.wordpress.com/2020/06/nukidazuze.pdf
    • https://zeraperusute.files.wordpress.com/2020/06/fumilefoxexuredere.pdf
    • https://sijaxoz.files.wordpress.com/2020/06/vegewosutixafage.pdf
    • https://podebejobina.files.wordpress.com/2020/06/revitato.pdf
    • https://lunudosur.files.wordpress.com/2020/06/nifenekekifevizedenu.pdf
    • https://xupopidis.files.wordpress.com/2020/06/garejopunosofowolu.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_off00005ddd.bin
8a88f12f55f1e687655504bb93c437ec18e42ed739daaf662ac55beae89d75f0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5DDD 9824 bytes

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