Malicious PDF — malware analysis report

Static analysis result for SHA-256 edfcdf8e4cb4684f…

MALICIOUS

PDF

40.5 KB Created: 2020-03-27 08:20:53 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 8e123a4872b442c134156a654be8a23e SHA-1: e5cfc058952d035cad61a448b913b145b3754f44 SHA-256: edfcdf8e4cb4684f1b5853454db50610255a669a4a842a56c9358db1f3ce7238
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains a significant number of external links, identified by the PDF_SEO_LINK_FARM heuristic. These links point to various domains, suggesting a link farm or SEO manipulation tactic. The document body itself is heavily obfuscated and contains some of the URLs, indicating an attempt to disguise the malicious intent. 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://somersetfoodtrail.org/uploads/1/3/0/3/130324350/130324350.html#sailing+distances+chesapeake+bay
    • http://trialbyscience.net/uploads/1/3/0/6/130639540/niputotelitaponobo.pdf
    • http://surtimportaciones.com/uploads/1/3/0/2/130271028/vafolovuf.pdf
    • http://www.piekkie.nl/uploads/1/3/0/5/130551423/e4c2b2ddb00.pdf
    • http://www.drdavewiggins.com/uploads/1/3/0/8/130874361/sasofewoxuropa-retis.pdf
    • http://goplacesseefaces.com/uploads/1/3/0/5/130539034/pukovozib.pdf
    • http://ndsportschannel.net/uploads/1/3/0/5/130539926/6033158.pdf
    • http://jennifergillespiemsn.com/uploads/1/3/0/5/130590282/d572216.pdf
    • http://milieu-art.com/uploads/1/3/0/6/130639443/277514f86afbb97.pdf
    • http://healthyforestscoalition.ca/uploads/1/3/1/0/131070711/zorufijiduxupuso.pdf
    • http://nathanielmuncie.com/uploads/1/3/0/5/130590719/xunoxat_lofipaxe.pdf
    • http://wlasnydom.net/uploads/1/3/0/5/130588894/foniwofarit.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_off000073cf.bin
9b6fc681ae870f87975729130851d142c09322ea2795c0dca8dcaefacdcc4e25		 pdf-font-stream PDF embedded font (sfnt) at offset 0x73CF 8184 bytes

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