Malicious PDF — malware analysis report

Static analysis result for SHA-256 4141346dae0f8f6c…

MALICIOUS

PDF

49.6 KB Created: 2020-04-03 16:07:05 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 490a93cf9199e986a39bce5df34ce7eb SHA-1: 981a005f87b24000ecb960d8afa2bc6501a5b8ab SHA-256: 4141346dae0f8f6c75ffdca96140f6ace195b7a6e9f9ba2dccbcf299df34475a
62 Risk Score

Malware Insights

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

The PDF file contains a significant 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 manipulate search engine results or host malicious content. The embedded URL 'http://mysustainabletransportation.com/uploads/1/3/0/5/130588783/130588783.html#definicion+de+materialismo+historico+en+filosofia' is also present, suggesting a potential lure or redirection mechanism. No scripts were extracted from this sample.

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://mysustainabletransportation.com/uploads/1/3/0/5/130588783/130588783.html#definicion+de+materialismo+historico+en+filosofia
    • http://ultimatemediatv.com/uploads/1/3/0/3/130323227/8264625.pdf
    • http://matamorasbiblechurch.net/uploads/1/3/0/8/130813898/pugawuzetopip.pdf
    • http://allstarsandstripes.com/uploads/1/3/0/4/130435633/b7ef8857af1d.pdf
    • http://mentorsforwomen.org/uploads/1/3/0/7/130739227/077edbc3.pdf
    • http://robinellisproperty.com/uploads/1/3/0/3/130312929/zinefusopitanutugud.pdf
    • http://pooglr.net/uploads/1/3/1/3/131398563/9607327.pdf
    • http://humidorstudios.com/uploads/1/3/1/3/131383228/2472f2fb6cf673.pdf
    • http://catdogreinhardt-beratung.net/uploads/1/3/0/4/130483781/c3169f9d7.pdf
    • http://sterilecarelab.com/uploads/1/3/0/6/130639377/6830327.pdf
    • http://dare2buacademy.com/uploads/1/3/0/7/130775342/4525966.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_off0000981f.bin
3fd467324a43a7e4e6961298d62a5ac961bd9e5bc6269c1886ebfb1aa2d1d7f9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x981F 8704 bytes

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