Malicious PDF — malware analysis report

Static analysis result for SHA-256 831d0ceef2115704…

MALICIOUS

PDF

38.7 KB Created: 2020-04-05 12:09:03 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 7afa2540f88c43fd13f1919cb2c825d7 SHA-1: 18c687f3cd72adcc8f369477f043e265ac21b47c SHA-256: 831d0ceef2115704aae07da6bc4827fbe4f741e0f05b2632182c434eef5d8625
62 Risk Score

Malware Insights

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

The PDF file contains a significant number of external links, as indicated by the PDF_SEO_LINK_FARM heuristic. These links point to various domains, suggesting a link farm or redirection scheme. The document body contains garbled text along with some URLs, further supporting the idea that the document's primary purpose is to host these 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://brothersconcretecoatings.com/uploads/1/3/0/7/130776388/130776388.html#valor+instrumental+en+administracion+ejemplo
    • http://blacsheepapparel.com/uploads/1/3/0/5/130590339/galebuj_ramuxolanux_rafusalofati_vesov.pdf
    • http://greenmindspdx.org/uploads/1/3/0/7/130775629/9007422.pdf
    • http://yagaburnebeefaustralia.com/uploads/1/3/1/4/131414134/7127528.pdf
    • http://g5gingenuity.com/uploads/1/3/0/7/130738503/5929494.pdf
    • http://chantelle-shaw.com/uploads/1/3/0/6/130639481/db0a581dfe9a7.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_off00006c6d.bin
6e2f4bd4de6f481a753f484d9c5721756e4bbf099636eb12999731e342c0e193		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6C6D 8892 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.