Malicious PDF — malware analysis report

Static analysis result for SHA-256 326697caf6188e08…

MALICIOUS

PDF

41.2 KB Created: 2020-08-27 21:40:43 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6933d935144fdc528fee0d5288d305e3 SHA-1: 600c64788d4714b9d4dff79031603052cca02729 SHA-256: 326697caf6188e085b4cf4e2484aa8accf17dcb182d7885f2619fcd778fa3889
120 Risk Score

Malware Insights

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

The PDF file exhibits characteristics of a link farm, containing numerous embedded URLs. One critical heuristic identified a link to a known malicious redirector at 'https://ttraff.ru/pify?keyword=descargar+diccionario+router+keygen'. The document body, though heavily obfuscated, also contains this URL. The presence of many links, predominantly hosted on cdn.shopify.com, suggests an attempt to manipulate SEO or distribute further malicious content.

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.ru/pify?keyword=descargar+diccionario+router+keygen
    • http://files.dreamecoproducts.com/uploads/1/3/1/4/131406827/jozis.pdf
    • http://files.philbazzo.com/uploads/1/3/1/4/131408024/zutikawa.pdf
    • http://files.snowypeaksoap.com/uploads/1/3/2/3/132302973/a7512c13cdce8e.pdf
    • http://files.popular-plumber.com/uploads/1/3/0/7/130738841/13d1a6c585.pdf
    • http://jusugu.hourglassyouththeatre.com/uploads/1/3/0/9/130969645/jekuwa.pdf
    • https://cdn.shopify.com/s/files/1/0431/7180/7396/files/warovonu.pdf
    • https://cdn.shopify.com/s/files/1/0429/1448/0287/files/14038340601.pdf
    • https://cdn.shopify.com/s/files/1/0436/2190/8640/files/96300896016.pdf
    • https://cdn.shopify.com/s/files/1/0430/9575/2864/files/batim.pdf
    • https://cdn.shopify.com/s/files/1/0432/5425/1670/files/ganekenojakituxovuzi.pdf
    • https://cdn.shopify.com/s/files/1/0433/9931/5619/files/vadenavuxupa.pdf
    • https://cdn.shopify.com/s/files/1/0440/8098/8325/files/certificados_de_calidad.pdf
    • https://cdn.shopify.com/s/files/1/0431/7757/4557/files/anbe_sivam_songs_ringtone_free.pdf
    • https://cdn.shopify.com/s/files/1/0431/0761/4882/files/51215753480.pdf
    • https://cdn.shopify.com/s/files/1/0433/8827/2807/files/business_card_template_avery_5871.pdf
    • https://cdn.shopify.com/s/files/1/0433/5032/7451/files/tozojolodivififeveperirod.pdf
    • https://cdn.shopify.com/s/files/1/0431/0453/4692/files/popugolodizi.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_off00006269.bin
ee9e28318d7c58938a0eae641f456076f1849472add128a942b5f8e43123f0ec		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6269 5240 bytes
font_01_sfnt_off00007452.bin
e50d8fa1b0e85249f5b1150219c93114af77e737d4e3fcbc36ae6d33411cf57f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7452 10364 bytes

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