Malicious PDF — malware analysis report

Static analysis result for SHA-256 2f36e7cf068b98af…

MALICIOUS

PDF

43.0 KB Created: 2020-08-12 12:38:32 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3ae1fea00b5ddff46f5a08161144d42e SHA-1: 2123204c28ac183b653dbcc1afa9f0b2e321e194 SHA-256: 2f36e7cf068b98afd9227449c842bc4979faa869b42b99ac157ad3ed8f1c8eb5
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 pointing to Shopify domains, but one critical link directs to a known malicious redirector at 'https://ttraff.ru/pify?keyword=landscape+architecture+definition+pdf'. This suggests the document is designed to lead users to malicious content through a link farm. No scripts were extracted from this sample.

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=landscape+architecture+definition+pdf
    • http://files.lecontent.eu/uploads/1/3/2/8/132814022/luwijomarivusopojum.pdf
    • http://files.peacepcnc.org/uploads/1/3/1/3/131383318/66e038fe1c.pdf
    • http://files.thehouseofinsights.com/uploads/1/3/0/7/130775221/b9e7fa.pdf
    • https://cdn.shopify.com/s/files/1/0437/3030/5175/files/76781674213.pdf
    • https://cdn.shopify.com/s/files/1/0430/7802/5377/files/21978638053.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/62386903812.pdf
    • https://cdn.shopify.com/s/files/1/0429/9581/0455/files/xotemaso.pdf
    • https://cdn.shopify.com/s/files/1/0436/1751/7725/files/nabesinimabebisavulasi.pdf
    • https://cdn.shopify.com/s/files/1/0432/1135/8369/files/find_my_facebook_id.pdf
    • https://cdn.shopify.com/s/files/1/0445/7175/4655/files/peter_handke.pdf
    • https://cdn.shopify.com/s/files/1/0437/5265/2951/files/65397592759.pdf
    • https://cdn.shopify.com/s/files/1/0433/9515/4070/files/pevaxepiturikobawev.pdf
    • https://cdn.shopify.com/s/files/1/0435/9674/2815/files/87535398135.pdf
    • https://cdn.shopify.com/s/files/1/0430/3316/5986/files/29426817789.pdf
    • https://cdn.shopify.com/s/files/1/0440/3593/2310/files/python_replace_multiple_characters.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_off00006a37.bin
9c7a4d65c9a71c6268d1050f6d90ca87428c9596e07011cb33429637c8bd8682		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6A37 5152 bytes
font_01_sfnt_off00007bb3.bin
d233a56e3627b9818b10d4c906ccd396d9d7c8156baf760fae3fc1ed5ab92360		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7BB3 10368 bytes

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