Malicious PDF — malware analysis report

Static analysis result for SHA-256 9e177deedcbebc90…

MALICIOUS

PDF

37.1 KB Created: 2020-04-05 11:15:15 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 7cfffdc58d91985ac1718c556aa62093 SHA-1: d4861cf17d93a60ec72fa64dff419476445a56fb SHA-256: 9e177deedcbebc90acc2848f0f932f8c35e5f92c39ef316a7676f41c7a388fc0
62 Risk Score

Malware Insights

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

The PDF document contains a large number of embedded external links pointing to various PDF files hosted on different domains. This pattern is indicative of SEO spam or a link farm designed to drive traffic or distribute malicious payloads. The document body itself is largely garbled but contains a reference to the first URL, suggesting it's the primary lure. No scripts were extracted, limiting further analysis of direct execution capabilities.

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://thegapfestival.com/uploads/1/3/1/4/131437976/131437976.html#que+significa+acidez+basicidad+y+neutralidad
    • http://newmissionseniors.com/uploads/1/3/0/4/130476720/fa38e794f3e.pdf
    • http://getthisoutofhere.com/uploads/1/3/0/2/130272094/rerafugo.pdf
    • http://h4investments.com/uploads/1/3/0/7/130775154/vomodepi_detenofe.pdf
    • http://maxrestvidhost.com/uploads/1/3/0/6/130620921/moxajonenedubifine.pdf
    • http://thedirtgarden.com/uploads/1/3/0/4/130477026/tavagumasasudofisat.pdf
    • http://housingfirstdevelopment.org/uploads/1/3/1/1/131163917/navixirorojivaw.pdf
    • http://easywayenglish.org/uploads/1/3/0/6/130621942/pazajiwili_kovipide.pdf
    • http://doorsteptrashservices.org/uploads/1/3/0/5/130590314/8868671.pdf
    • http://askthanh.com/uploads/1/3/0/5/130590200/gagige_murajesuwina_vawajapejigenew.pdf
    • http://activekidscoach.com/uploads/1/3/1/0/131071038/danosejunusamakojube.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_off000066d2.bin
ca03d2fdfddb53c5564f738e6ba455ea6864430cc01ea180cc6b5b550f31a1c2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x66D2 9016 bytes

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