MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to ttraff.com. The document body, though heavily obfuscated, contains the same URL and text suggesting it's an installation manual. The PDF also contains a large number of links to external PDFs, many hosted on Shopify, which is indicative of a link farm used for SEO poisoning or to obscure malicious destinations. The primary malicious URL is https://ttraff.com/wb?keyword=kartell%20bookworm%20installation%20manual, which likely leads to further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 3
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF 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.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall 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.
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Embedded URL info EMBEDDED_URLOne 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/wb?keyword=kartell%20bookworm%20installation%20manual
- http://digopi.fedfis.com/uploads/1/3/1/0/131070374/f8a42d3e.pdf
- http://files.kirstennimwey.com/uploads/1/3/1/0/131070612/cee1eb1f.pdf
- http://files.mrlowderman.com/uploads/1/3/0/7/130738751/fujawaf-gimoz-resufut.pdf
- https://cdn.shopify.com/s/files/1/0433/7077/4679/files/38421432187.pdf
- https://cdn.shopify.com/s/files/1/0432/5313/7576/files/35770957202.pdf
- https://cdn.shopify.com/s/files/1/0437/7542/6722/files/44031047176.pdf
- https://cdn.shopify.com/s/files/1/0431/8615/9767/files/34402720626.pdf
- https://cdn.shopify.com/s/files/1/0437/8116/1111/files/53203175781.pdf
- https://cdn.shopify.com/s/files/1/0431/4651/0504/files/32835330763.pdf
- https://cdn.shopify.com/s/files/1/0435/1646/1211/files/luxibakibi.pdf
- https://cdn.shopify.com/s/files/1/0440/9032/7205/files/despite_and_in_spite_of.pdf
- https://cdn.shopify.com/s/files/1/0432/1384/8733/files/gosefetosiw.pdf
- https://cdn.shopify.com/s/files/1/0430/4614/2114/files/vavidaxafefuzijozub.pdf
- https://cdn.shopify.com/s/files/1/0435/9480/9512/files/cardiovascular_disease_textbook.pdf
- https://cdn.shopify.com/s/files/1/0429/9302/5183/files/startup_budget_template.pdf
- https://cdn.shopify.com/s/files/1/0432/6352/5026/files/base64_decode.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_off0000623e.bin26f17f24cc615f849d6d7fbede3a97c4556fcd19fddf4ae0e77fc58caba804ba |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x623E | 5096 bytes |
font_01_sfnt_off00007389.binc767feec2116247fcfe3cdb7eb26c2fecd3c0f7de197d7f7b1ca903b7db4fd3c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7389 | 10420 bytes |
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