Malicious PDF — malware analysis report

Static analysis result for SHA-256 ee0291419c3556e8…

MALICIOUS

PDF

34.6 KB Created: 2020-05-28 00:00:24 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3fdfaf77f89a8040d39181b82aec25c2 SHA-1: 4b80c6489f2a776663f8a19138d854aed48c3f70 SHA-256: ee0291419c3556e8c50bb4602aa44071ecec3d743b77c5dfa9b20088c5860877
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 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 domains, suggesting a link farm or redirection mechanism. The embedded URLs are likely intended to lure users to malicious content or phishing sites. No scripts were extracted, and the document body is largely unreadable binary data.

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://exetei.com.hk/uploads/1/3/1/3/131378913/131378913.html#cadena+de+custodia+2018
    • http://ivaqueen.com/uploads/1/3/0/7/130739974/nejiso.pdf
    • http://genealogybykim.com/uploads/1/3/1/3/131380345/3758156.pdf
    • http://dedaahrsolution.com/uploads/1/3/1/0/131070237/borokukavox-zimibimemoga-zovipiti-favidapikola.pdf
    • http://thechanelcollection.com/uploads/1/3/0/7/130740504/sabalaxibexiperakof.pdf
    • http://vote727.net/uploads/1/3/1/3/131398591/5695037.pdf
    • http://elevate-properties.com/uploads/1/3/0/2/130272332/947208db7d.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_off00005881.bin
9f3ae255645c740bff660b5c34e2258b15e06c5c37edf6954fc6327f51f94795		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5881 12076 bytes

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