Malicious PDF — malware analysis report

Static analysis result for SHA-256 51775108b6c35fa2…

MALICIOUS

PDF

33.1 KB Created: 2020-05-15 21:13:58 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 66ecea4068030b65c5a8018e2243523b SHA-1: 01179f0e2e6225abcbc97ff8317dade14f578498 SHA-256: 51775108b6c35fa2b9e6889cdf51945094519605e8d3a177b650b468b62b10b5
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, a technique often used for SEO manipulation or to redirect users to malicious sites. The heuristic PDF_SEO_LINK_FARM specifically identifies this pattern, indicating a likely attempt to distribute or mask malicious content across numerous domains. No scripts were extracted, and the document body is largely unreadable, but the sheer volume of outbound links is highly suspicious.

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://myamazonuk.com/uploads/1/3/1/3/131384208/131384208.html#o+saki+saki+8d+audio+song
    • http://waikatomorriscarclub.com/uploads/1/3/0/7/130740089/dc026defc07.pdf
    • http://primadonnaprincess.com/uploads/1/3/0/5/130551564/panopilukagox.pdf
    • http://wolfestreetbrewing.com/uploads/1/3/0/6/130621951/ce26efeb4fcd.pdf
    • http://resonanceradio.co/uploads/1/3/1/1/131163960/7165559.pdf
    • http://goodcamp.net/uploads/1/3/1/0/131069898/16f3924c0ec.pdf
    • http://achsp.org/uploads/1/3/0/7/130775383/ripinuv.pdf
    • http://madlcleaning.com/uploads/1/3/1/3/131398567/3076f0f.pdf
    • http://firecracker4mile.org/uploads/1/3/0/5/130551230/a6ea27cf8.pdf
    • http://skyryanska.com/uploads/1/3/0/7/130776061/8891127.pdf
    • http://trentbeaver.net/uploads/1/3/0/2/130287937/8903650.pdf
    • http://riyasnails.net/uploads/1/3/0/8/130873927/guvujepawizil-sotav.pdf
    • http://thedaisyflower.com/uploads/1/3/0/6/130605399/fabitog_rugazomamap_suruginuv_pugafesiwugifud.pdf
    • http://lilidesignstudio.com/uploads/1/3/0/6/130639558/nojusabipala.pdf
    • http://soundsolutions.eu/uploads/1/3/0/6/130604026/winukukuj_juwuzimekivewu_tunogejamegixav.pdf
    • http://the-narrow-path.net/uploads/1/3/0/6/130640032/7536482.pdf
    • http://621investments.com/uploads/1/3/0/7/130739839/873453.pdf
    • http://treeserviceliberty.com/uploads/1/3/0/8/130874136/xulotasipatakivos.pdf
    • http://crossstitchmania.net/uploads/1/3/0/4/130483909/nedabudiwuxido.pdf
    • http://toruscleanenergy.com/uploads/1/3/0/5/130588370/tenifugutaxijar.pdf
    • http://animeslug.com/uploads/1/3/0/7/130738822/xivefegovufube-judipoxeg-nofawoleta.pdf
    • http://sechindravallury.com/uploads/1/3/1/4/131412181/7181107.pdf
    • http://inverassociates.com/uploads/1/3/0/9/130969414/3411739.pdf
    • http://ahualoagoatdairy.com/uploads/1/3/0/6/130603913/poburotazixew_maxazidemu_sinorexebim.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_off00005566.bin
b40d6381d4ce6ed081028bccfbc41e31040cbeccfa13c162ea53306ae81608a2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5566 10236 bytes

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