Malicious PDF — malware analysis report

Static analysis result for SHA-256 e49c1efc5563ff9f…

MALICIOUS

PDF

34.8 KB Created: 2020-04-06 14:18:50 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 4b17369be14ef232c24f609e6a570946 SHA-1: ae1069e83817476f398f26a824e9de21127c8ab1 SHA-256: e49c1efc5563ff9fbc36a4c86c452e2375734b6a07d6ed5dd9d5edbc20bcf7b5
62 Risk Score

Malware Insights

MITRE ATT&CK
T1598 Gather Victim Identity Information T1204 User Execution

The PDF file contains a significant number of external links, identified by the PDF_SEO_LINK_FARM heuristic. These links point to various PDF files hosted on different domains, suggesting a link farm or distribution mechanism. The primary purpose appears to be directing users to these external resources, which could be for SEO manipulation or to serve as a lure for further malicious activity. 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://urbanarray.shop/uploads/1/3/0/8/130813496/130813496.html#the+prosperous+coach+book
    • http://www.rocktoolscn.com/uploads/1/3/0/7/130775277/muzejim.pdf
    • http://yogaforgamers.com/uploads/1/3/0/6/130620845/1029573.pdf
    • http://stopforeclosurecolumbia.com/uploads/1/3/1/4/131438829/tawoxevepezomezole.pdf
    • http://indigosista.com/uploads/1/3/0/3/130323190/5019040.pdf
    • http://higherlearningpress.org/uploads/1/3/0/8/130814863/9150867.pdf
    • http://akinstwins.com/uploads/1/3/0/8/130814597/9031.pdf
    • http://mowjoelandscaping.com/uploads/1/3/0/7/130738706/zurunasonaxalefep.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_off000060fb.bin
53a81a0a1d3d166bb00f1cbe471a49390dd89c1a2483fba526a678a5f5c187a7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x60FB 7732 bytes

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