Malicious PDF — malware analysis report

Static analysis result for SHA-256 2ea836ab2d743406…

MALICIOUS

PDF

39.5 KB Created: 2020-04-14 05:52:30 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 43df8899b831438faa4a83b8f5c1f831 SHA-1: 38eecb19c1bb0a16d2356f43c95344fb6f2a7d23 SHA-256: 2ea836ab2d74340657a1eb9a2dc0176d452c13faccd842fc8b411bc4c9ad840b
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, many of which point to other PDF files hosted on similar domains. The document body text, though partially corrupted, suggests a lure related to 'dividend declaration form template'. This indicates a likely phishing or malware distribution campaign leveraging a link farm strategy. No scripts were extracted from this sample, limiting the ability to determine specific payload delivery mechanisms.

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://theallcatnetwork.com/uploads/1/3/0/5/130588613/130588613.html#dividend+declaration+form+template
    • http://dehempify.com/uploads/1/3/1/6/131606954/jobumine.pdf
    • http://ellajaneelsalon.com/uploads/1/3/1/3/131384016/gusipawow.pdf
    • http://freshcleanonfranklin.com/uploads/1/3/0/6/130605002/temaver.pdf
    • http://florescapital.us/uploads/1/3/1/6/131636772/8435680.pdf
    • http://richard-and-catherine.com/uploads/1/3/0/3/130323600/e23be9a93.pdf
    • http://buildingcrews.com/uploads/1/3/1/0/131070044/nobubigegozubom.pdf
    • http://myteam-mom.com/uploads/1/3/1/4/131438073/masebo.pdf
    • http://akhaltekebreeders.org/uploads/1/3/0/7/130775448/7913687.pdf
    • http://blushlaboutique.com/uploads/1/3/0/5/130551823/zuletupugufira_siduzofe.pdf
    • http://keitaco.net/uploads/1/3/0/7/130738755/pisoxujegobiv.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_off00006f87.bin
89fd8e8986c921e1a08e51a1651bf2e67a4c27727176ca995d40ad365292bb8d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6F87 8568 bytes

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