Malicious PDF — malware analysis report

Static analysis result for SHA-256 f0a0e9a89a1cbec8…

MALICIOUS

PDF

38.0 KB Created: 2020-03-27 10:33:36 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 7fb8938719eb83fbac369fc923bc09fa SHA-1: 8adf3d52862e43b88587be84a450a7e9e5e29263 SHA-256: f0a0e9a89a1cbec8801e4bc857e02d453deec204c5373235ba23eda6101e788e
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 to various domains, indicating a link farm or SEO spamming technique. The heuristic 'PDF_SEO_LINK_FARM' specifically flags this behavior. The embedded document body text, though partially corrupted, contains a URL that is also present in the list of extracted URLs. No scripts were extracted from this sample. The primary goal appears to be directing users to a network of websites, potentially for malicious purposes.

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://cascayoburger.com/uploads/1/3/0/6/130621938/130621938.html#tissot+t-race+aluminum+and+t-touch+expert+solar
    • http://lafleurorganics.com/uploads/1/3/0/5/130590467/4575568.pdf
    • http://www.reigstad4kenton.com/uploads/1/3/0/7/130776228/rujonotuzim.pdf
    • http://www.dcfc-distribution.com/uploads/1/3/0/6/130620417/fuwofuxemugej-tazatimaj-wojofum-noduzuvifa.pdf
    • http://jcflive.com/uploads/1/3/0/4/130478174/6127897.pdf
    • http://imaginecaredigitalhealth.net/uploads/1/3/0/2/130289380/tixalabuj-nesufamose-riredivo.pdf
    • http://maparadis.com/uploads/1/3/0/5/130589435/zosabav.pdf
    • http://nevo-ins.com/uploads/1/3/0/4/130477170/53653f892eef.pdf
    • http://www.apsonic.biz/uploads/1/3/0/6/130640150/2364949.pdf
    • http://www.hallmarkpestcontrol.co.uk/uploads/1/3/0/6/130620309/wafulufip.pdf
    • http://illuplate.com/uploads/1/3/0/7/130738822/84c7b3c4c543.pdf
    • http://weldamania.com/uploads/1/3/0/4/130483210/7a348e4aba047a.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_off00006ba8.bin
7f8762fecc14a2d8e5ff2410ea720683b2db07a9a204914af9b83d457e1711d8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6BA8 8044 bytes

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