Malicious PDF — malware analysis report

Static analysis result for SHA-256 d139fada6add326c…

MALICIOUS

PDF

37.9 KB Created: 2020-04-03 00:00:52 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 4c710c7435e97551b217674477c5d7fd SHA-1: 9a807ae61dd4e7f8360f6c81714cc42bd71d10ad SHA-256: d139fada6add326c7a3b917da257c4ca4889db7a6f4924aad8be341bc9ae8b58
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. The document body, though partially corrupted, contains text related to 'parallel editing' and includes a URL that points to an HTML file, suggesting a lure to external content. The primary attack pattern appears to be a link farm designed to manipulate search engine results or direct users to potentially malicious websites.

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://digitalsportsmanship.org/uploads/1/3/1/3/131379134/131379134.html#what+is+parallel+editing
    • http://templar-knives.com/uploads/1/3/1/4/131438474/3a207413d9194.pdf
    • http://minusnine.ca/uploads/1/3/0/7/130739155/6521238.pdf
    • http://zacharyeichert.com/uploads/1/3/0/5/130551618/8c817fb257195.pdf
    • http://changingstep.com/uploads/1/3/0/6/130621584/piriro.pdf
    • http://drgnwear.club/uploads/1/3/0/4/130477110/daloriwir.pdf
    • http://thejessiejohnson.com/uploads/1/3/0/5/130543373/3002933.pdf
    • http://compresoresderefrigeracion.com/uploads/1/3/0/5/130546392/vipala-bibasisedod.pdf
    • http://passionrank.com/uploads/1/3/0/7/130739635/wemiribej_mulivir_lupigomigi_nizumizokit.pdf
    • http://robotocelot.com/uploads/1/3/0/6/130620530/466a5f6b3.pdf
    • http://carlybullphysio.com/uploads/1/3/0/3/130323103/cfa76e4f6ebe.pdf
    • http://backroadsmarketplace.com/uploads/1/3/0/4/130488223/8368aca45a9d.pdf
    • http://byclauhori.com/uploads/1/3/1/0/131070115/godinadines-busina.pdf
    • http://canadaquestexcursions.com/uploads/1/3/0/3/130324075/wepixap-batamivober.pdf
    • http://fancysafariadventures.com/uploads/1/3/1/3/131398606/bitunobe.pdf
    • http://armwrestlinghistory.com/uploads/1/3/0/6/130604153/xemidusodo-duduzixa-zuwegu.pdf
    • http://bread4thebroken.com/uploads/1/3/0/3/130379351/931030.pdf
    • http://ysosiris.co/uploads/1/3/0/7/130739529/womir.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_off00006ca1.bin
a8d572169585f8829818d50f1dc5cc28169fe396d2dd76dd5ed1653c597582b5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6CA1 7780 bytes

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