Malicious PDF — malware analysis report

Static analysis result for SHA-256 281b143be0eddd45…

MALICIOUS

PDF

33.9 KB Created: 2020-05-20 08:41:23 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6abf5618e4d1a54f6d150399de5d1b5d SHA-1: b2493a38d1130f86a9b145c15bd65fd58d994ad9 SHA-256: 281b143be0eddd45d4bb9d711ba641a951b45d7523f960bdd492feb8ca222927
62 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic. These links likely serve to direct the user to malicious websites, potentially for phishing or malware distribution. The document body contains a URL that matches one of the extracted links, reinforcing the attack pattern. 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://dsn-122.com/uploads/1/3/0/5/130589202/130589202.html#petaluma+transit+route+11
    • http://stonewallpools.com/uploads/1/3/0/6/130639417/kadagopigavubirog.pdf
    • http://dansgeneralstore.ca/uploads/1/3/0/6/130604048/sejufix-navidada-rovulepifud.pdf
    • http://norikos.org/uploads/1/3/1/4/131437254/pexixalad_bogetudaz_luxugutipefaraj_mopidajo.pdf
    • http://slaymakeupandhair.com/uploads/1/3/0/2/130288802/wimilegore.pdf
    • http://vaporisland.net/uploads/1/3/1/6/131606397/feputitipapuki.pdf
    • http://trimblevancouver.com/uploads/1/3/0/6/130605416/rawudib-vetobuwonine-watadofovinar-tugidorezovubi.pdf
    • http://nodovgroup.com/uploads/1/3/1/6/131637836/tiwupoje-tizepimev-xotalux.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_off00005880.bin
340d916c48865e6fef2b8463d700a3795aeb05d068beb8b3771e270854383023		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5880 10664 bytes

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