Malicious PDF — malware analysis report

Static analysis result for SHA-256 d0ad8ea6fcecba96…

MALICIOUS

PDF

39.8 KB Created: 2020-04-09 15:57:07 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: a0ee12202d4225f9dcc996fb15c72549 SHA-1: 8fd9198060af77d6dbb681bc429e37b80feb4dd3 SHA-256: d0ad8ea6fcecba969190b856a73f37f0495890ed81310577845fddda50d58861
92 Risk Score

Malware Insights

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

The PDF file was flagged by an ML classifier as malicious. It contains a large number of external links, many of which appear to be part of a link farm designed to manipulate search engine results or redirect users to malicious content. The document body contains text related to 'Valspar interior paint lowes' and 'wkhtmltopdf', suggesting a lure to disguise the malicious intent. The presence of numerous external URLs indicates a likely attempt to redirect the user to potentially harmful websites.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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://extravirgincoffee.com/uploads/1/3/0/5/130550778/130550778.html#valspar+interior+paint+lowes
    • http://autonationoversprayremoval.com/uploads/1/3/0/6/130620512/d17ada6ad06.pdf
    • http://ayerpublicaccess.org/uploads/1/3/1/3/131383848/8161923.pdf
    • http://50cupswithbobby.com/uploads/1/3/1/3/131380343/xiwateloligale.pdf
    • http://doctoralsuccess.com/uploads/1/3/0/4/130476885/6e609b8c422043.pdf
    • http://dunmorestates.com/uploads/1/3/1/3/131381036/zibewekit.pdf
    • http://ravepraise.com/uploads/1/3/0/2/130289658/lidixizerilutab.pdf
    • http://familynola.com/uploads/1/3/0/5/130547418/e76b6be.pdf
    • http://viperfishentertainment.org/uploads/1/3/0/6/130620142/d8be4a375182.pdf
    • http://patriotenationalrapidresponse.com/uploads/1/3/0/8/130814293/c18ffa58b.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005cfe.bin
769deb82c2055fd9bf42337c4d7c4c4aca0aee56faf51fc610515216d7f5f399		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5CFE 8168 bytes
font_01_sfnt_off00007c95.bin
f31c439e28d0137206b91a151f21343900f846ed9ff070250fbe82eb1cc7da1d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7C95 16204 bytes

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