Malicious PDF — malware analysis report

Static analysis result for SHA-256 29361fcdca55ba87…

MALICIOUS

PDF

43.5 KB Created: 2020-04-01 14:53:34 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 69d7a35560df81e53efd96df8f2af487 SHA-1: 539882fa94d9ea1fe17dcf5043abf4771aa79be5 SHA-256: 29361fcdca55ba8732fb1a86ba577430b51e2c58c2daad44823083ca0eade353
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of embedded external links, a technique often used for SEO spam or to redirect users to malicious sites. The heuristic 'PDF_SEO_LINK_FARM' specifically flags this behavior, indicating a likely attempt to manipulate search engine results or distribute further malware. The embedded URLs are the primary indicators of malicious activity.

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://kathrynluster.net/uploads/1/3/1/3/131398149/131398149.html#motor+de+corriente+directa+definicion
    • http://kidscreativestudio.com/uploads/1/3/0/7/130738740/panagu.pdf
    • http://ngagefitnesspros.com/uploads/1/3/1/4/131406453/d8cc2321b94e.pdf
    • http://plansdrawnforyou.com/uploads/1/3/0/2/130287881/5c0fee.pdf
    • http://mshipco.com/uploads/1/3/1/3/131382430/werinava.pdf
    • http://studio330fl.com/uploads/1/3/0/9/130969404/ccf12c8263834.pdf
    • http://www.cmjlawn.com/uploads/1/3/1/0/131070581/tipofabonikofo-suwufopi-tobipadu-ruvifujap.pdf
    • http://psychodragonstudios.com/uploads/1/3/0/6/130605452/3065720.pdf
    • http://papi.mx/uploads/1/3/0/3/130379370/3244210.pdf
    • http://1889re.com/uploads/1/3/0/7/130776500/626fbd680b9fdf.pdf
    • http://maryolshahad.com/uploads/1/3/0/6/130605442/funifo-rubawuv.pdf
    • http://balance-through-nature.com/uploads/1/3/0/6/130620628/b8436516cc6.pdf
    • http://lauriborer.com/uploads/1/3/0/6/130604699/8a96aa128ab095a.pdf
    • http://karolskrafts.com/uploads/1/3/1/4/131406300/3a14310a3e1f24.pdf
    • http://messiahfamillies.com/uploads/1/3/0/5/130588214/5278789.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_off000080c4.bin
6fa6a44023f3b602a2f94631ce2377315d5cf8c321185e259f231d46e33f3f0d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x80C4 8384 bytes

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