Malicious PDF — malware analysis report

Static analysis result for SHA-256 ec913d89aaf6cc9b…

MALICIOUS

PDF

37.8 KB Created: 2020-08-14 03:57:57 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 9656539d8bb54391f92d63de42164094 SHA-1: d33bd5f0423e23fbef587cf46d012837ca6a167a SHA-256: ec913d89aaf6cc9bf174f192e115ef080321afd4e03e96d80118a1a265bbd1d8
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, many of which point to Shopify domains, but one critical link redirects to a known malicious domain, ttraff.com. The document body also contains the same malicious URL, suggesting a lure to trick users into clicking it. The presence of a link farm and a malicious redirector indicates a phishing or malware distribution attempt.

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=english+level+test+printable+with+answers
    • http://files.olivemeartsie.com/uploads/1/3/1/4/131407406/mimik.pdf
    • http://xitipowor.grassrootsstrategiesllc.com/uploads/1/3/2/6/132681670/pidoxatoj_paguzusobulonup.pdf
    • http://files.floorsourcing.com/uploads/1/3/0/8/130874180/moloxunuvegiv_bikivobuleze.pdf
    • http://files.altercredo.com/uploads/1/3/1/3/131383283/jefabop.pdf
    • https://cdn.shopify.com/s/files/1/0429/5429/3402/files/zolok.pdf
    • https://cdn.shopify.com/s/files/1/0438/1055/4013/files/82207517875.pdf
    • https://cdn.shopify.com/s/files/1/0427/9074/8316/files/47574172771.pdf
    • https://cdn.shopify.com/s/files/1/0432/3550/8387/files/hyundai_elantra_service_manual.pdf
    • https://cdn.shopify.com/s/files/1/0432/3078/9800/files/nojagagazataka.pdf
    • https://cdn.shopify.com/s/files/1/0427/5650/5756/files/ligovilexupizosurulo.pdf
    • https://cdn.shopify.com/s/files/1/0431/5283/4711/files/24644041905.pdf
    • https://cdn.shopify.com/s/files/1/0432/7122/5494/files/6025525643.pdf
    • https://cdn.shopify.com/s/files/1/0434/3798/1852/files/3251284043.pdf
    • https://cdn.shopify.com/s/files/1/0431/1760/9122/files/54620720960.pdf
    • https://cdn.shopify.com/s/files/1/0427/6020/8540/files/97171215630.pdf
    • https://cdn.shopify.com/s/files/1/0433/8581/5190/files/falizo.pdf
    • https://cdn.shopify.com/s/files/1/0431/3025/7568/files/bass_guitar_lessons_book.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_off000054e2.bin
38473a596a0819d8d349ca4b291e6005ebb7d758ac3470328faa06b661ba8201		 pdf-font-stream PDF embedded font (sfnt) at offset 0x54E2 5332 bytes
font_01_sfnt_off00006712.bin
f8f985e5566df598e282dbfce247d78ff2d91e5c21c2e2ae734b86fd34e2211a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6712 10260 bytes

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