Malicious PDF — malware analysis report

Static analysis result for SHA-256 3c61ef1d7fc9ac7a…

MALICIOUS

PDF

28.3 KB Created: 2020-06-01 10:47:24 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8f3980a1ac673310e28dd3ea62149842 SHA-1: 334805869145bc200d12f5f50d8d286e0914c720 SHA-256: 3c61ef1d7fc9ac7a65b079037ac29c4ffbc21d4f24fd27f505afed90c7bb9880
62 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF file contains a large number of external links, as indicated by the PDF_SEO_LINK_FARM heuristic. These links point to various domains, suggesting a link farm or a distribution mechanism for other malicious content. The document body itself contains text related to a PDF download, reinforcing the lure. 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://travertineversaillespattern.com/uploads/1/3/0/5/130539109/130539109.html#innumeracy+by+john+allen+paulos+pdf+download
    • http://iowariverwildlifecontrol.com/uploads/1/3/0/2/130288939/vevutel.pdf
    • http://soulspeakmarketing.com/uploads/1/3/0/3/130313343/fugiribibagem_mijadadunez_monit_raxulixu.pdf
    • http://v5.undesirable.us/uploads/1/3/0/4/130483167/9480561.pdf
    • http://anagachwoods.org.uk/uploads/1/3/0/4/130483928/teguxop-jevavozidolur.pdf
    • http://ftgbl.com/uploads/1/3/0/4/130490106/xilorolo-fanuwekewuli-nipumaxi-mugimekowalunof.pdf
    • http://steelravenind.com/uploads/1/3/0/5/130541846/nodetadiri.pdf
    • https://rewanuzagi.files.wordpress.com/2020/05/xubamubevedexezutavazuve.pdf
    • https://velibejo.files.wordpress.com/2020/05/ranoxafadamujudovegijux.pdf
    • https://suxeniruwip.files.wordpress.com/2020/05/muberupadizusali.pdf
    • https://vulezewutota.files.wordpress.com/2020/05/93088162475.pdf
    • https://xubakokupowi.files.wordpress.com/2020/05/68776375475.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_off00004556.bin
dfac15fa2a820119dc52ee8141abc231f841019a1282f97acbf19ddb16e15534		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4556 9584 bytes

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