Malicious PDF — malware analysis report

Static analysis result for SHA-256 ff2942b7f328da3a…

MALICIOUS

PDF

38.6 KB Created: 2020-06-23 19:07:07 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 71fe59ca3f2c651077b01a9004d97a99 SHA-1: 25bf2c632ee8042391dc4ef01281c2d37e9359b5 SHA-256: ff2942b7f328da3af81724032802aee8d4cb388bb37a4bfd0511fef448226029
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a significant number of external links, identified by the PDF_SEO_LINK_FARM heuristic. The document body, though partially corrupted, contains text related to 'Foundation of macroeconomics 6th edition pdf' and includes URLs that point to other PDF files. This suggests a link farm or SEO manipulation tactic, where the primary goal is to drive traffic to a network of sites, 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://schmidtfamilyfarms.org/uploads/1/3/0/8/130874272/130874272.html#foundation+of+macroeconomics+6th+edition+pdf
    • http://stubsforlove.com/uploads/1/3/1/8/131856150/fafetatal_jodavizojos_fajaji.pdf
    • http://simplicityparentingwithmary.com/uploads/1/3/1/4/131411245/3914097.pdf
    • http://zacteeco.com/uploads/1/3/0/6/130604413/42b110e7.pdf
    • http://stanthonyoakville.ca/uploads/1/3/0/6/130604793/gedijexuzol_sefipijazizi.pdf
    • http://impartialthoughts.com/uploads/1/3/0/3/130313102/bepubaxo.pdf
    • http://parkerdancecompany.net/uploads/1/3/0/7/130739287/d85d856d83b31a9.pdf
    • http://ashleyblanck.com/uploads/1/3/1/1/131164046/267816.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_off0000581d.bin
3cf0dc85a56f8fbd29b5c20f4da48511339cf8cba224d40341c9ea5cbcf0a459		 pdf-font-stream PDF embedded font (sfnt) at offset 0x581D 5352 bytes
font_01_sfnt_off00006a1c.bin
060828a77f84af0c86416fd291f8e8a082a97060aadf568b0fe13d4741d0548d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6A1C 10624 bytes

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