Malicious PDF — malware analysis report

Static analysis result for SHA-256 b0e05095bfbb3c53…

MALICIOUS

PDF

53.4 KB Created: 2020-06-02 01:54:27 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7fdb8c8e19ced07dceddd151f57797d7 SHA-1: 050c348fbde0428301140715fc3d9e96dcbe33a0 SHA-256: b0e05095bfbb3c53dff3c51e1d9eb1e5a359e36226202e5410c459384a4c0646
62 Risk Score

Malware Insights

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

The PDF document contains a significant number of external links, identified by the PDF_SEO_LINK_FARM heuristic. These links point to various domains, suggesting a link farm or distribution network. The embedded URL also leads to one of these domains. The document body contains garbled text and what appears to be metadata from the wkhtmltopdf tool, but the primary malicious activity is the mass of external links.

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://2mw.undesirable.us/uploads/1/3/0/2/130270923/130270923.html#vergi+daireleri+i%25C5%259Flem+y%25C3%25B6nergesi
    • http://mylocalcbdstores.com/uploads/1/3/0/7/130739202/5ab23e1.pdf
    • http://soundviewmanors.com/uploads/1/3/0/7/130739927/4334214.pdf
    • http://ehpglastonbury.com/uploads/1/3/0/5/130543640/7966287.pdf
    • http://thehomescoutingreport.com/uploads/1/3/0/2/130291561/verexuditixinasazak.pdf
    • http://songrm.com/uploads/1/3/1/6/131606360/5463934.pdf
    • http://fetchingfriends.org/uploads/1/3/0/5/130538817/penog_sagowa_pasukupudetes_ximilefa.pdf
    • http://lifespanoccupationaltherapy.net/uploads/1/3/0/7/130739427/jovewulidemapiteb.pdf
    • http://2mw.undesirable.us/uploads/1/3/0/2/130270923/terms.html
    • http://2mw.undesirable.us/uploads/1/3/0/2/130270923/dmca.html
    • http://2mw.undesirable.us/uploads/1/3/0/2/130270923/policy.html
    • http://ehpglastonbury.com/uploads/1/3/0/5/130543640/79
    • https://luvipif.files.wordpress.com/2020/05/46245175683.pdf
    • https://bizagomutex.files.wordpress.com/2020/06/8282968303.pdf
    • https://lexipawe.files.wordpress.com/2020/05/mafuzo.pdf
    • https://mawibomo.files.wordpress.com/2020/05/lilizeten.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_off0000a13b.bin
1d2f6ec5f1c40fc8984723902114a96ebe2240355e795de3eb1d56485d3a9572		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA13B 12572 bytes

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