Malicious PDF — malware analysis report

Static analysis result for SHA-256 476b4d33e7d84bfa…

MALICIOUS

PDF

37.1 KB Created: 2020-04-13 18:04:55 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 69d603d136bfa5f96cec4c994b9b8c40 SHA-1: d6f6df882bba29cfa949ad0deffa2b29eabcee93 SHA-256: 476b4d33e7d84bfa863f03c9780ad2a2f9122f8072506b67bed27c21f070d790
62 Risk Score

Malware Insights

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

The PDF document contains a large number of external links, identified as a PDF link farm. The document body, though heavily obfuscated, contains references to a football quiz and includes URLs that likely lead to further malicious content or SEO spam. The heuristics indicate a deliberate attempt to create a link farm within the PDF.

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://applied-online.ca/uploads/1/3/0/2/130289239/130289239.html#hard+football+quiz+questions+with+answers
    • http://innovativeoutdoordesigns.net/uploads/1/3/0/3/130323972/subijigadebepegeke.pdf
    • http://pilgrimslight.org/uploads/1/3/1/4/131453681/rejixokabor.pdf
    • http://krowncues.com/uploads/1/3/0/4/130483118/3895313.pdf
    • http://mooipermanentemakeup.com/uploads/1/3/0/2/130292098/41ec8ad988.pdf
    • http://riverwalk-mystery.com/uploads/1/3/1/4/131407028/nofogudop.pdf
    • http://oldheritagek-9.com/uploads/1/3/0/6/130620672/6f7c3.pdf
    • http://thegoodbeat.com/uploads/1/3/0/7/130739729/3d129fca61dc.pdf
    • http://lincolngrettashop.com/uploads/1/3/0/7/130775192/wuzumoja_getomegimisep_xijedozataviwos_mezegepa.pdf
    • http://audiobeans.com/uploads/1/3/1/4/131407353/sipipamosonovu.pdf
    • http://montwoodsmiles.com/uploads/1/3/0/5/130550684/pabepitomijemig-zibijoxomom-lorozu.pdf
    • http://spartalincoln.com/uploads/1/3/0/5/130588333/nudake.pdf
    • http://ronisutardi.site/uploads/1/3/0/2/130289308/40b0c144.pdf
    • http://urban8realestate.com/uploads/1/3/0/6/130605166/52c59dac34ff1f4.pdf
    • http://innovativeoutdoordesi
    • 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_off00006834.bin
7e908090d49b0a057eee617a9fc132bf9ea3760bac39193349fe4c8485494a68		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6834 8272 bytes

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