Malicious PDF — malware analysis report

Static analysis result for SHA-256 cc5b5abeeb0e166c…

MALICIOUS

PDF

29.9 KB Created: 2020-03-25 04:19:38 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 50c4c39baf35e596d117c31090dd88de SHA-1: 1f6a2d00eb66eea5cc23ec1864c6fb20e48a2590 SHA-256: cc5b5abeeb0e166c22b702944c530c9d2d93bbb3dc583027b6d0af3523c1f5f8
62 Risk Score

Malware Insights

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

The PDF file contains a large 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 document body contains the title 'Capacitancia de un conductor definicion', which appears to be a lure, and the embedded URLs are likely used to redirect users to potentially malicious content or for SEO manipulation.

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://cynthiasmerrill.com/uploads/1/3/0/7/130775630/130775630.html#capacitancia+de+un+conductor+definicion
    • http://luvdacreations.com/uploads/1/3/0/7/130776334/3d906e65164.pdf
    • http://turkeyvilla.info/uploads/1/3/0/6/130639678/71c221.pdf
    • http://maritimeinsurancebrokers.net/uploads/1/3/0/6/130620522/wezanawotomu-xewolu-rerunudobini-vavag.pdf
    • http://btravels.co.za/uploads/1/3/0/2/130287413/3152431.pdf
    • http://www.data-in-harmony.thomasemyers.com/uploads/1/3/0/4/130488213/jesiduk.pdf
    • http://alovida.com/uploads/1/3/0/7/130775784/jutagegi-gimolanes-welisap.pdf
    • http://www.budapestupclose.com/uploads/1/3/0/8/130814676/lipipowarerajij.pdf
    • http://cordeliachuang.com/uploads/1/3/0/4/130488320/peresone.pdf
    • http://cmahawaii.com/uploads/1/3/0/2/130270941/kukamegokexex.pdf
    • http://thewilddaisyboutique.com/uploads/1/3/0/6/130620947/9322428.pdf

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005bfa.bin
8350832508c6c40c63803cff9749bc41c380ff3ca47286cce5ed39d72849a0c9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5BFA 8092 bytes

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