Malicious PDF — malware analysis report

Static analysis result for SHA-256 d0f1c440e2977d5f…

MALICIOUS

PDF

61.7 KB Created: 2020-06-02 17:55:14 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3f7ece49c2c19076d3c618404456a82a SHA-1: f01215c00e540b634460e5c87362c22c42c9ca38 SHA-256: d0f1c440e2977d5f8b10f79acbb18f19aa73cd86f47309ed285e8da480a3e51b
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 to various domains, as indicated by the PDF_SEO_LINK_FARM heuristic. The document body and extracted URLs suggest a pattern of linking to other PDF files, likely for SEO spam or to distribute malicious content. The primary attack pattern involves directing users to these external resources.

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://brodyleonar5.com/uploads/1/3/0/6/130639085/130639085.html#formation+sap+debutant+pdf
    • http://findingspaceinyourplace.com/uploads/1/3/1/4/131438265/b9499fed.pdf
    • http://seenourstuff.com/uploads/1/3/0/9/130969427/c5903.pdf
    • http://dinnerclub.ca/uploads/1/3/0/6/130639701/8c5c82cc2d0.pdf
    • http://rashannaharmon.com/uploads/1/3/0/3/130313027/d6950.pdf
    • http://polyglothelp.com/uploads/1/3/0/6/130620778/dajefinisevepe-gosav-nutitebedofasu.pdf
    • http://ns2.artsquarterbooks.com/uploads/1/3/0/5/130590321/vopatakadixenosu.pdf
    • http://garrisonlawgroupnc.com/uploads/1/3/1/0/131069766/38f2e.pdf
    • http://brodyleonar5.com/uploads/1/3/0/6/130639085/terms.html
    • http://brodyleonar5.com/uploads/1/3/0/6/130639085/dmca.html
    • http://brodyleonar5.com/uploads/1/3/0/6/130639085/policy.html
    • https://rejosejel.files.wordpress.com/2020/05/lakakidugorirewuge.pdf
    • https://tubapedamov.files.wordpress.com/2020/05/xibekewolatakupo.pdf
    • https://suxeniruwip.files.wordpress.com/2020/05/kazuribokulizup.pdf
    • https://zagufebaja.files.wordpress.com/2020/05/pekafikiwiletagaget.pdf
    • https://mazonapad.files.wordpress.com/2020/06/kifarulezuro.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00009f46.bin
c47328b99d1a8106722297ddf3976446a0c29354b3be907203f77db8ad888c37		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9F46 1684 bytes
font_01_sfnt_off0000a7a6.bin
7b5965399fdca2abafb92733db991058472fd0bddaec7c165f84fb7556a97860		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA7A6 14228 bytes
font_02_sfnt_off0000d39b.bin
ee6ed83916b89fa55c4e3c460094a0ae3982d7e138e947e83e87d31cc2c0723f		 pdf-font-stream PDF embedded font (sfnt) at offset 0xD39B 16192 bytes

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