Malicious PDF — malware analysis report

Static analysis result for SHA-256 e6348ff1e59a2927…

MALICIOUS

PDF

34.9 KB Created: 2020-06-10 10:40:33 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4969bba2bb4653d924a96ce987ccbfa3 SHA-1: 9b49d058b16022cfa52f569a31bcce5edb62ac3f SHA-256: e6348ff1e59a292745fc0d3eb53a6a35aa46cc848ca3bc9bf44d741bbce3c7be
62 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF file contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic, pointing to various domains. The document body text, though partially corrupted, includes some of these URLs, suggesting the primary purpose is to redirect users to these external resources. No scripts were extracted from this sample, and the nature of the linked content is unknown, but the sheer volume of links suggests a malicious intent, possibly for SEO manipulation or distributing further malware.

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://79.bpmtc.com/uploads/1/3/0/5/130551237/130551237.html#tangram+%25C5%259Fekilleri+%25C3%25B6rnekleri
    • http://rinconazucarero.com/uploads/1/3/0/3/130323724/jigafuru-filomug-diked-didupajojex.pdf
    • http://hughmgoginsod.com/uploads/1/3/1/8/131872286/wimaduvolepe_jemosowa.pdf
    • http://aisthetics.com/uploads/1/3/0/5/130588505/jesujukaribaded_runidijejabuzas.pdf
    • http://webmail.proudfoxgallery.com/uploads/1/3/0/8/130874511/1910324.pdf
    • http://mawmaintenance.com/uploads/1/3/0/3/130323249/zoxenorere.pdf
    • http://hostmaster.westcardesign.be/uploads/1/3/1/4/131454359/gebefuniwafa-lukegafoko-midiziz-dudiwiri.pdf
    • http://angelfieldheirloomtomatoes.com/uploads/1/3/0/8/130813818/552ce0.pdf
    • http://supermakr.com/uploads/1/3/0/2/130271167/1116319.pdf
    • https://rebofowi.files.wordpress.com/2020/06/55320115055.pdf
    • https://zoroxozuwo.files.wordpress.com/2020/06/romukolumu.pdf
    • https://vusuletameta.files.wordpress.com/2020/06/joxebuleluxidewifagazuvo.pdf
    • https://vebetume.files.wordpress.com/2020/06/palavaz.pdf
    • https://sivutis.files.wordpress.com/2020/06/zosusabimimugogu.pdf
    • https://womemoz.files.wordpress.com/2020/06/29452073204.pdf
    • https://muwomud44121088.files.wordpress.com/2020/06/podojekure.pdf
    • https://kavuwuri.files.wordpress.com/2020/06/karuf.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_off00005a67.bin
e9900219a492299cab0df25f416302c119e86f0bcfd0d56576baf2eac7f77106		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5A67 12000 bytes

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