Malicious PDF — malware analysis report

Static analysis result for SHA-256 97dcbdd640c2468e…

MALICIOUS

PDF

63.2 KB Created: 2020-05-22 18:47:12 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3c238c03726ae84820868acf1159d910 SHA-1: 29491f5322a2075a97af2ae5b472d4a1193bb9bd SHA-256: 97dcbdd640c2468e3a788e50d27117468caf83a4dbf4fc78479f99579a83147a
62 Risk Score

Malware Insights

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

The PDF document contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic. The primary link points to 'of1kl.salon225.com', which is part of a larger network of domains also found to contain PDF links. This suggests a coordinated effort to distribute links, likely for SEO manipulation or to serve as a gateway to malicious content. No scripts were extracted from this sample.

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://of1kl.salon225.com/uploads/1/3/0/6/130604181/130604181.html#raspberry+pi+5
    • http://thechristianauthorsmarket.com/uploads/1/3/0/2/130287896/60350.pdf
    • http://greenifysomalia.org/uploads/1/3/0/8/130814030/340e3.pdf
    • http://flaskphotography.com/uploads/1/3/0/6/130604202/d256a.pdf
    • http://baerenklasse.de/uploads/1/3/1/3/131397997/8246830.pdf
    • http://educate-2-empower.org/uploads/1/3/0/4/130479210/5074938.pdf
    • http://christiesbuildings.com/uploads/1/3/0/6/130621045/kagedi-xifos.pdf
    • http://acasaelmundo.com/uploads/1/3/0/2/130289204/gufuxoweza.pdf
    • http://emeraldbaptist.com/uploads/1/3/0/6/130604299/wawowelatoluf-kirekuligitejik-bivubuni-kovikimezomaro.pdf
    • http://ningwatsonart.com/uploads/1/3/1/4/131407042/8899957.pdf
    • http://fireandiceproject.com/uploads/1/3/0/5/130540172/624d17d45e654de.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_off0000b414.bin
f76b46fad07f2f81a18fe2e13c56fdbfaace62938d8ec223d5a2072ea9378fc7		 pdf-font-stream PDF embedded font (sfnt) at offset 0xB414 28260 bytes

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