Malicious PDF — malware analysis report

Static analysis result for SHA-256 963b714f60b9a0ae…

MALICIOUS

PDF

44.4 KB Created: 2020-08-09 19:41:50 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3de62c59c7222f4602dbcb9bdea6a746 SHA-1: 8c9b59df95f2cf925f3c5fe7fc12d17c31b83fcb SHA-256: 963b714f60b9a0ae7a525645a110c17b129b1729ed5d8d01ba7d7807851b921f
120 Risk Score

Malware Insights

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

The PDF contains a mass of external links, including a critical redirector link to 'ttraff.com'. The document body, though heavily obfuscated, contains references to 'Canon eos 2020d specifications pdf' and the URL 'https://ttraff.com/pify?keyword=canon+eos+2020d+specifications+pdf', suggesting a lure to a malicious site. The presence of numerous PDF links, many hosted on Shopify, indicates a link farm designed to improve search engine ranking for 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.com/pify?keyword=canon+eos+2020d+specifications+pdf
    • http://files.thesettlementclinic.ca/uploads/1/3/1/4/131452953/bewodabenexafuviwesa.pdf
    • http://files.bobsearle.net/uploads/1/3/1/3/131384442/9487926.pdf
    • http://files.stedbigrednation.com/uploads/1/3/1/3/131398308/4163145.pdf
    • https://cdn.shopify.com/s/files/1/0430/7858/2439/files/kekajuxipemusojakuzis.pdf
    • https://cdn.shopify.com/s/files/1/0432/7296/2203/files/49501391337.pdf
    • https://cdn.shopify.com/s/files/1/0430/2091/0746/files/kamagolojavitolaso.pdf
    • https://cdn.shopify.com/s/files/1/0429/9977/5381/files/bebogaxuzinepurorekimonaj.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/gidawibozifuniji.pdf
    • https://cdn.shopify.com/s/files/1/0439/2982/9544/files/saurastra_samachar_bhavnagar_epaper.pdf
    • https://cdn.shopify.com/s/files/1/0436/1040/7069/files/lebodijavi.pdf
    • https://cdn.shopify.com/s/files/1/0429/9381/1619/files/76604023189.pdf
    • https://cdn.shopify.com/s/files/1/0436/3531/0752/files/john_deere_5210.pdf
    • https://cdn.shopify.com/s/files/1/0429/3351/8489/files/70129802270.pdf
    • https://cdn.shopify.com/s/files/1/0432/0716/4064/files/77617677373.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_off00006d0a.bin
ca33adf0c4f0573aa22669f45a8afe4b1e72b494a140d7bd6bf379bc361d5d29		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6D0A 5200 bytes
font_01_sfnt_off00007ece.bin
e795095c9b3405fb65a2c47d7a52f147c42556caab36e24c4aecf9cd6becd699		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7ECE 11812 bytes

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