Malicious PDF — malware analysis report

Static analysis result for SHA-256 391a0116cccbbb7a…

MALICIOUS

PDF

47.8 KB Created: 2020-04-21 04:18:41 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 0663fe2f8348d0b4562ceb9010e29143 SHA-1: c6fdc5e2c7a603ada8fda4bcd93de7f3f28496c5 SHA-256: 391a0116cccbbb7a1fb980f5f14a6f72e46ad8669de7c46375619b32da46e702
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains numerous external links, a common tactic for SEO link farms and potentially malicious redirection. The heuristic PDF_SEO_LINK_FARM specifically flags this behavior, indicating a high likelihood of the document being used to drive traffic to potentially harmful sites. The presence of a link to 'stopeurocide.com' further supports a malicious intent, likely to host phishing content or malware.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9988

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://stopeurocide.com/uploads/1/3/0/6/130605374/130605374.html#business+partnership+agreement+template+pdf
    • http://violetbelleboutique.com/uploads/1/3/0/3/130379757/50847ba176.pdf
    • http://leaflycbds.com/uploads/1/3/0/4/130489275/9230564.pdf
    • http://crookhorns.com/uploads/1/3/0/6/130620881/89f075ce.pdf
    • http://buttscratches.com/uploads/1/3/0/2/130287283/kikafekurubiwov.pdf
    • http://mexicolegalhelp.com/uploads/1/3/1/4/131453396/8870321.pdf
    • http://lusan63.com/uploads/1/3/0/4/130436172/duxin-xawuzo-fuxoxawer-pagegixuwugip.pdf
    • http://forest23krs.net/uploads/1/3/0/5/130588957/wufalem-fowezitavafere-jeduwa-lajebuleturilur.pdf
    • http://515hospitalityconsulting.com/uploads/1/3/0/4/130488371/9692792.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_off000093e9.bin
7202029e36e63a379979c5b40d90bcf90a42a9a8036b8c92ad1462d4ee5363bf		 pdf-font-stream PDF embedded font (sfnt) at offset 0x93E9 7624 bytes

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