PDF malware analysis — malicious · 45a962e0927128bf

MALICIOUS

PDF

38.7 KB Created: 2020-08-18 21:43:18 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 60591fc7bd49ffcfa9e5a00a1724f21f SHA-1: 0afdc1720f116bf22b9a428f3a7a9a9195556a4e SHA-256: 45a962e0927128bfc14160294f3c78bb25cca15724614d8ee0adaa8196bce8f8

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 external PDF files hosted on various domains. One of the primary links, 'https://ttraff.ru/pify?keyword=nmp+coliformes+en+alimentos', is flagged as a known malicious redirector. This suggests the document is part of a link farm or SEO poisoning campaign designed to redirect users to malicious sites. The presence of numerous Shopify-hosted PDFs, while individually benign, contributes to the overall deceptive nature of the document.

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=nmp+coliformes+en+alimentos
- http://files.huucsb.org/uploads/1/3/1/1/131164399/12a7ca.pdf
- http://files.ejaneluzar.com/uploads/1/3/0/8/130874416/6575766.pdf
- http://files.kingstreetbeer.ca/uploads/1/3/0/7/130776486/rekawizufukafiw.pdf
- http://jajum.411mediatalk.com/uploads/1/3/2/6/132696526/dazenupozal-japunilo-viwori.pdf
- http://gefurawa.aemagnetbands.com/uploads/1/3/0/8/130813325/a1d6e1d52085eb.pdf
- https://cdn.shopify.com/s/files/1/0431/5719/2865/files/logitech_master_mx_2s.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/tovetutokukike.pdf
- https://cdn.shopify.com/s/files/1/0430/7235/6509/files/aprende_a_leer_musica_peter_nickol.pdf
- https://cdn.shopify.com/s/files/1/0436/3429/4937/files/xowukunijegepus.pdf
- https://cdn.shopify.com/s/files/1/0431/5247/4267/files/54233035585.pdf
- https://cdn.shopify.com/s/files/1/0430/3749/1354/files/47511520303.pdf
- https://cdn.shopify.com/s/files/1/0433/0684/4315/files/52511221874.pdf
- https://cdn.shopify.com/s/files/1/0439/6145/0654/files/cultivo_de_cebolla_china_en_peru.pdf
- https://cdn.shopify.com/s/files/1/0432/3724/5086/files/makonomosager.pdf
- https://cdn.shopify.com/s/files/1/0431/9304/1053/files/amadeus_choir_formby.pdf
- https://cdn.shopify.com/s/files/1/0431/3061/8011/files/46624684144.pdf
- https://cdn.shopify.com/s/files/1/0430/8749/5322/files/returute.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.

Filename	Kind	Source	Size
`font_00_sfnt_off000055e5.bin` `f1aec794cdd8536e39680789e343840a5a81340f82e7b2f0a1f9aae6e982765f`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x55E5	5132 bytes
`font_01_sfnt_off0000673e.bin` `f694eb10ebe93db2eec07b663cbb9cc14ba76b959a6e5499c59babe554b2f55e`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x673E	11320 bytes

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