Malicious PDF — malware analysis report

Static analysis result for SHA-256 ce27814dd19e4e38…

MALICIOUS

PDF

41.6 KB Created: 2020-07-10 13:13:52 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 633cb595913ded7dd8cc9af118357032 SHA-1: c95997d3458d6009cbaf2f0afb9a7834a6b75b88 SHA-256: ce27814dd19e4e380b7ac9792f23a68743e90e107fe7b5561fdbf51a6130b2a7
120 Risk Score

Malware Insights

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

This PDF document employs a SEO link farm tactic, embedding numerous links that appear to be search results for "diferencia entre hortalizas y verduras pdf". One of the primary links directs to a known malicious redirector infrastructure at ttraff.com, which likely serves as a gateway to further malicious content. The document's structure and the presence of many external PDF links indicate a campaign to drive traffic to potentially harmful sites.

Heuristics 3

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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.
  • 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 https://ttraff.com/wb?keyword=diferencia%20entre%20hortalizas%20y%20verduras%20pdf
    • http://files.fhcamd.org/uploads/1/3/1/6/131637034/5932877.pdf
    • http://files.wilcoprevention.org/uploads/1/3/1/4/131437740/29b296.pdf
    • http://files.comforttrainer.net/uploads/1/3/2/6/132681002/4312007.pdf
    • http://files.beatrice77livestocksales.com/uploads/1/3/1/4/131407035/sudapiwalera-papufuwika-timuzag-xuwujez.pdf
    • http://files.stdaighs.com/uploads/1/3/0/8/130874458/nozinow.pdf
    • http://files.domimpr.com/uploads/1/3/0/8/130814674/larad.pdf
    • http://files.refinishing.org/uploads/1/3/2/6/132695516/0410a7.pdf
    • http://files.risingravenband.com/uploads/1/3/1/3/131384018/buvab.pdf
    • http://files.unitedwayofpc.org/uploads/1/3/2/6/132683289/gijigasufedezit.pdf
    • https://selijowo.files.wordpress.com/2020/06/ritajumabelono.pdf
    • https://vipajesavit.files.wordpress.com/2020/06/10815485978.pdf
    • https://zidimamokad339045790.files.wordpress.com/2020/07/jazijanuwuwimamusen.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/visaboxe.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/buxidumex.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/gekisemegudifusoledo.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/dipipopiluniwewikojidil.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006288.bin
dbf52251c07fddbd080fa830e4174f242a0ed01b1e2f9093cfd48c6ed758251b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6288 5336 bytes
font_01_sfnt_off000074b8.bin
b2e0788040e1712a1865a1fa4efba11f0c28d2ce44df0a5b6a5ff57de459bdc4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x74B8 10760 bytes

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