Malicious PDF — malware analysis report

Static analysis result for SHA-256 ce4bb3c86833fb1f…

MALICIOUS

PDF

36.3 KB Created: 2020-08-25 11:32:50 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 64adc2253f889f82c43da756156af52e SHA-1: 77b5517a041f9fef2074bc990b8d6f5b8eaa640f SHA-256: ce4bb3c86833fb1f3c6d65db9fe7535cd71e066cd040e73b98b9af97f8cced23
120 Risk Score

Malware Insights

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

The PDF contains a link to a known malicious redirector, ttraff.com, which is designed to obscure the final destination. The document also features a link farm, with many links pointing to Shopify domains, likely for SEO manipulation to increase visibility. The primary malicious URL identified is https://ttraff.com/pify?keyword=magisterial+district+judge+docket+sheet, which is likely used to deliver a malicious payload or conduct phishing.

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/pify?keyword=magisterial+district+judge+docket+sheet
    • http://bavukaji.thetravellingnannyblog.com/uploads/1/3/1/8/131856373/mexigoniju-muvijutimevog-fumawus-dekafegawemeg.pdf
    • https://cdn.shopify.com/s/files/1/0435/1157/8776/files/bimazivolovade.pdf
    • https://cdn.shopify.com/s/files/1/0436/4769/7049/files/61170518915.pdf
    • https://cdn.shopify.com/s/files/1/0427/9202/6271/files/11048964789.pdf
    • https://cdn.shopify.com/s/files/1/0433/5170/3706/files/mcdonalds_application_form.pdf
    • https://cdn.shopify.com/s/files/1/0433/1231/6584/files/calves_exercises.pdf
    • https://cdn.shopify.com/s/files/1/0431/9087/8372/files/zugemebaxun.pdf
    • https://cdn.shopify.com/s/files/1/0430/2870/9539/files/75938969196.pdf
    • https://cdn.shopify.com/s/files/1/0434/4158/6332/files/kixadutaf.pdf
    • https://cdn.shopify.com/s/files/1/0440/3606/3397/files/96321958702.pdf
    • https://cdn.shopify.com/s/files/1/0428/8951/1068/files/pimumomuzotuzemuxo.pdf
    • https://cdn.shopify.com/s/files/1/0432/3698/2944/files/la_vie_en_rose_uke.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004406.bin
81b4356d176b0b1b9b44089791de2aaa7f08e6c494dccff206a8ceeef6de6218		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4406 5124 bytes
font_01_sfnt_off0000558a.bin
954b7369cc9efd2ffa391bec6081289a9152ea4982b93a0e693d9180dd7892ea		 pdf-font-stream PDF embedded font (sfnt) at offset 0x558A 9644 bytes
font_02_sfnt_off00007693.bin
9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7693 4324 bytes

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