Malicious PDF — malware analysis report

Static analysis result for SHA-256 f30b699de1e4419d…

MALICIOUS

PDF

44.5 KB Created: 2020-08-17 16:04:43 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4dd5a0fce35f22f7a1ab6088077c9b2f SHA-1: 719a8611c264406f1dd187685b5ed1e709c0c36a SHA-256: f30b699de1e4419d1ab56dfda63d172a4f3a7b2a1fb38ad7e800b947f27f69f3
120 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, many of which point to external resources disguised as Bollywood movie websites. One critical heuristic firing indicates that the PDF links to a known malicious redirector infrastructure at 'ttraff.com'. This suggests the document is designed to lead users to malicious sites through a series of redirects.

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=best+bollywood+movies++websites+name
    • http://files.ggatravel.com/uploads/1/3/1/4/131407898/5472f2a5144d7c7.pdf
    • http://files.thesaddlexchange.com/uploads/1/3/0/8/130814245/fowegubegixivuriwusu.pdf
    • http://files.lucygrayconsulting.com/uploads/1/3/1/1/131164431/9464941.pdf
    • http://files.yorkieandmorkie.com/uploads/1/3/1/4/131437924/vukomazebaki-febem-figogozupid-papemapedo.pdf
    • http://xamukex.deplorablesauces.com/uploads/1/3/2/6/132681488/lazowedif.pdf
    • https://cdn.shopify.com/s/files/1/0429/4639/6326/files/astrological_calendar_2020.pdf
    • https://cdn.shopify.com/s/files/1/0440/6162/2437/files/vosodazudagijebexafemuwo.pdf
    • https://cdn.shopify.com/s/files/1/0437/0199/3622/files/58929095993.pdf
    • https://cdn.shopify.com/s/files/1/0435/4444/5079/files/fojex.pdf
    • https://cdn.shopify.com/s/files/1/0431/3425/5258/files/bmc-_91_form.pdf
    • https://cdn.shopify.com/s/files/1/0430/6305/0394/files/97863591087.pdf
    • https://cdn.shopify.com/s/files/1/0432/3488/5796/files/xefuwa.pdf
    • https://cdn.shopify.com/s/files/1/0428/4894/4284/files/82744680142.pdf
    • https://cdn.shopify.com/s/files/1/0434/3431/1832/files/xejefidubekog.pdf
    • https://cdn.shopify.com/s/files/1/0433/0340/3678/files/sifowese.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_off000070dc.bin
78278893030cfc1db978b04a186bb2fc1f9d4b61632d439b679b34451434cf81		 pdf-font-stream PDF embedded font (sfnt) at offset 0x70DC 5316 bytes
font_01_sfnt_off000082f7.bin
2e8087e46dee1d7cea7bb5fc5279945c851f9f6a01b114910ed30608a074a947		 pdf-font-stream PDF embedded font (sfnt) at offset 0x82F7 9968 bytes

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