Malicious PDF — malware analysis report

Static analysis result for SHA-256 d33ab19fc2a3f96c…

MALICIOUS

PDF

37.9 KB Created: 2020-06-05 04:15:56 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3c85067e93c5779e6ef46104c64a13c8 SHA-1: bda38d709354446fbe94ac936bdba2fce8bc983a SHA-256: d33ab19fc2a3f96cfb014ee731a07bd53088f71976c6bb752ecbbaa711b1809a
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 other PDF files hosted on various domains, as indicated by the PDF_SEO_LINK_FARM heuristic. The document body also contains embedded URLs, including one pointing to 'http://baker4deputy.com/uploads/1/3/0/2/130288926/130288926.html#diagramme+ishikawa+exercice+corrig%25C3%25A9'. This suggests a link farm or SEO spamming attack, potentially designed to distribute malware or lead users to phishing sites.

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://baker4deputy.com/uploads/1/3/0/2/130288926/130288926.html#diagramme+ishikawa+exercice+corrig%25C3%25A9
    • http://dragtrump.com/uploads/1/3/1/6/131636922/xojipefujakarijut.pdf
    • http://rollwithalex.net/uploads/1/3/1/0/131070149/ad1685d2774f37.pdf
    • http://4sa.undesirable.us/uploads/1/3/0/6/130605490/4782682.pdf
    • http://ng2005.com/uploads/1/3/0/9/130970012/posumozezibulozata.pdf
    • http://stevemossberg.com/uploads/1/3/1/6/131606094/54aef76d.pdf
    • http://email.restauracemincovna.cz/uploads/1/3/0/5/130588724/soxumaxavetapoda.pdf
    • http://valedetoxclinic.com/uploads/1/3/0/4/130483086/379854.pdf
    • http://sassypantsfashionboutique.com/uploads/1/3/0/2/130288637/selexedogatokeb.pdf
    • http://franceshodge.com/uploads/1/3/0/8/130874118/b9889447.pdf
    • http://whskayakshack.com/uploads/1/3/1/3/131380121/mupogepafifumez.pdf
    • http://noticiasinternacionales.net/uploads/1/3/0/6/130620662/lixiviseb-manojo-nufarelet-veseli.pdf
    • http://mail.roryward.com/uploads/1/3/1/4/131453784/de98983db09c3f.pdf
    • http://baker4deputy.com/uploads/1/3/0/2/130288926/terms.html
    • http://baker4deputy.com/uploads/1/3/0/2/130288926/dmca.html
    • http://baker4deputy.com/uploads/1/3/0/2/130288926/policy.html
    • https://metifufap.files.wordpress.co
    • https://toroduru.files.wordpress.com/2020/06/16469078249.pdf
    • https://lasewodaba.files.wordpress.com/2020/06/99918794829.pdf
    • https://metifufap.files.wordpress.com/2020/06/86750262466.pdf
    • https://bubopero.files.wordpress.com/2020/06/95427798195.pdf
    • https://bidunivozov.files.wordpress.com/2020/06/31192301289.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_off00006425.bin
8ac7882b86908a4383fcc353a845720e05a24ab080c1df081ab20f67eb57c578		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6425 11556 bytes

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