Malicious PDF — malware analysis report

Static analysis result for SHA-256 2399a098c31c7deb…

MALICIOUS

PDF

39.2 KB Created: 2020-04-08 23:03:48 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 7625bd734713dc6e1af0f44a84971dc9 SHA-1: 4e0c97923b855c3335680c42ff70fedaf0deb41d SHA-256: 2399a098c31c7deb515068bb433f4e6d3ef1b1d7aad4acef9b64b5d7430d585f
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious File

The PDF file contains a large number of external links to various domains, indicating a link farm or redirection scheme. The heuristic 'PDF_SEO_LINK_FARM' specifically flags this behavior, suggesting the document's primary purpose is to drive traffic to these external resources. The document body contains text related to 'Rockler murphy bed kit queen', which appears to be a lure to entice users to click on the embedded links. 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://alexandra-brokowski.com/uploads/1/3/0/2/130272333/130272333.html#rockler+murphy+bed+kit+queen
    • http://nealcm.com/uploads/1/3/0/4/130435746/zoloxem_gunuz_kepunajujebat_garas.pdf
    • http://pipingenie.com/uploads/1/3/0/6/130620543/5083c.pdf
    • http://florallane.com/uploads/1/3/0/6/130604225/popel.pdf
    • http://krisanticompany.com/uploads/1/3/0/6/130603710/budiwo.pdf
    • http://boosmithphotography.com/uploads/1/3/0/8/130874493/fematumegavosaj.pdf
    • http://modernwardrobestyle.com/uploads/1/3/0/7/130776058/196434.pdf
    • http://pc3med.com/uploads/1/3/0/7/130776316/rifoxe.pdf
    • http://leopoldconst.com/uploads/1/3/0/7/130738504/367830.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_off00007251.bin
944eae4a43435c8db92db96b000ea99b1d9ff769380c44bc130f945796aad474		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7251 7780 bytes

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