MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a link to a known malicious redirector, ttraff.ru, which is likely used to obscure the final destination of the malicious payload. The document also contains a large number of links to other PDFs hosted on Shopify, suggesting a link farm or SEO manipulation tactic. While no scripts were explicitly extracted, the PDF structure and embedded links indicate a malicious intent to redirect the user to harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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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.ru/pify?keyword=zebrafish+brain+atlas+pdf
- http://files.ncscja.org/uploads/1/3/2/6/132681560/xesavuweso.pdf
- http://files.natureandhealthyliving.com/uploads/1/3/0/9/130969372/megulanodiw.pdf
- http://files.soclumsyinheels.com/uploads/1/3/1/3/131380845/b2950.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0430/2562/9335/files/rapenikuw.pdf
- https://cdn.shopify.com/s/files/1/0429/9302/5183/files/73017438905.pdf
- https://cdn.shopify.com/s/files/1/0451/1835/7669/files/importance_of_building_rapport_with_students.pdf
- https://cdn.shopify.com/s/files/1/0432/2541/5843/files/elementary_differential_equations_10th_edition_boyce.pdf
- https://cdn.shopify.com/s/files/1/0434/2821/6983/files/12974285461.pdf
- https://cdn.shopify.com/s/files/1/0430/3680/3233/files/tomoxodaboseginunef.pdf
- https://cdn.shopify.com/s/files/1/0428/9495/0556/files/67058040023.pdf
- https://cdn.shopify.com/s/files/1/0428/6827/7415/files/gebelulo.pdf
- https://cdn.shopify.com/s/files/1/0431/0099/5741/files/87521256862.pdf
- https://cdn.shopify.com/s/files/1/0427/9002/7430/files/african_belief_system.pdf
- https://cdn.shopify.com/s/files/1/0430/4211/1650/files/74329729479.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006bf5.bin6aac475682bdfb55f4a7b992267d0e91ff16314b8118ed39edcd49309324d1f6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6BF5 | 5224 bytes |
font_01_sfnt_off00007dac.binf746b906ad3b307acf560caf34b53f779013ab23c9f79e1c8ee9719f391bc9e9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7DAC | 11208 bytes |
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