Malicious PDF — malware analysis report

Static analysis result for SHA-256 7778b89c3e488233…

MALICIOUS

PDF

38.2 KB Created: 2020-06-16 11:43:26 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6141025c3e0435eb3e745ee6efe3f40c SHA-1: fc234c28f533f9032cf4bca096159edf2e72a105 SHA-256: 7778b89c3e4882331683bec86547755bfbd5fdbf74ab9cc2e082d7b8854b4e13
62 Risk Score

Malware Insights

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

The PDF document contains a large number of external links, a technique often used for SEO poisoning or to redirect users to malicious content. The document body mentions 'financial and managerial accounting for mbas 3rd edition solutions manual', suggesting a lure to obtain academic materials. The presence of numerous links to PDF files hosted on various domains indicates a link farm designed to distribute further malicious content or harvest credentials.

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://host64.carmichaelnl.com/uploads/1/3/0/7/130776514/130776514.html#financial+and+managerial+accounting+for+mbas+3rd+edition+solutions+manual
    • http://wellnow212.com/uploads/1/3/0/2/130287295/mudosoku.pdf
    • http://jenalexis.com/uploads/1/3/1/0/131070895/a5d340112911.pdf
    • http://cpanel.accutypeservices.com/uploads/1/3/1/3/131380404/nuxabodulunutigasaj.pdf
    • http://cpanel.lllofts.com/uploads/1/3/0/2/130291036/mukop.pdf
    • http://happyfulfilledlife.com/uploads/1/3/0/7/130739936/2794498.pdf
    • http://bghsboosters.org/uploads/1/3/1/4/131437331/wolezibesokulugolan.pdf
    • http://myjgallagher.com/uploads/1/3/0/4/130476709/kijawukodumil.pdf
    • http://resistefilm.com/uploads/1/3/0/7/130739686/8706780.pdf
    • http://adentarussia.com/uploads/1/3/0/3/130313063/2bc33.pdf
    • http://doubleheartsoapcompany.com/uploads/1/3/0/3/130312952/2612be8f6ac7.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_off00006afe.bin
aab581202d0d00033a50e103dc32498f6c96d41e4421d10a5580c1e4b9477a25		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6AFE 9844 bytes

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