Malicious PDF — malware analysis report

Static analysis result for SHA-256 b93b2c1f8c743ce3…

MALICIOUS

PDF

37.5 KB Created: 2020-06-14 13:55:50 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 9bcb55755ff3e75f238f8a4134c3fe86 SHA-1: e82f067db3b849114e774f5db7ce7f522c003104 SHA-256: b93b2c1f8c743ce3522dd1300409599ce54eb05248c856c8d3e185f08f29b1b0
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 User Execution: Malicious Link

The PDF file contains a lure related to a 'Dodge challenger rt manual for sale' but is primarily a link farm. It hosts numerous external links to other PDF files, indicating a tactic to distribute malicious content or engage in SEO manipulation. The ML classifier strongly flagged this PDF as malicious, supporting the assessment of a malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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://baomahuiyulechengkaihu.br3h.com/uploads/1/3/1/4/131437655/131437655.html#dodge+challenger+rt+manual+for+sale
    • http://watha.info/uploads/1/3/0/6/130639561/c9119.pdf
    • http://preparednessactions.com/uploads/1/3/1/4/131409009/02ff89c5436d0.pdf
    • http://aligned.shop/uploads/1/3/0/7/130775612/taxakoxogat_pofegibuduliv_jiber_gowasaf.pdf
    • http://greenergleaners.com/uploads/1/3/1/0/131070535/7948886.pdf
    • http://supoaklandstreetfood.com/uploads/1/3/0/4/130436173/4440519.pdf
    • http://mx.panduct.com/uploads/1/3/0/5/130545421/303645.pdf
    • http://snaphappy.vip/uploads/1/3/1/1/131163904/miletu-woxiseputukab-gelidevodifazu.pdf
    • https://wivobajet.files.wordpress.com/2020/06/mivemijigowefaligiwafi.pdf
    • https://kejijewuna.files.wordpress.com/2020/06/pibugekos.pdf
    • https://doluwamesiwe.files.wordpress.com/2020/06/53291770273.pdf
    • https://jabarimotemo.files.wordpress.com/2020/06/25092067564.pdf
    • https://molozujepaxu.files.wordpress.com/2020/06/99201839127.pdf
    • https://salelometosa.files.wordpress.com/2020/06/puvej.pdf
    • https://kewidufima.files.wordpress.com/2020/06/notogapalekan.pdf
    • https://gojepideg.files.wordpress.com/2020/06/62671415252.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_off0000653a.bin
6b409a5d25af9cfb7eba259a32e1f0da32dccb359a61905da317b5051199beee		 pdf-font-stream PDF embedded font (sfnt) at offset 0x653A 10360 bytes

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