MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded links, many pointing to Shopify domains, which is characteristic of a link farm used for SEO manipulation or to host malicious content. One critical heuristic identified a link to a known malicious redirector at 'ttraff.ru'. The ML classifier strongly flagged this PDF as malicious. The presence of numerous links suggests a delivery mechanism designed to obscure the ultimate malicious destination.
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=ceramidas+liquida+pdf
- http://files.mundingermath.com/uploads/1/3/1/4/131452804/karimam_zerutafupag_jimugumij_zerimim.pdf
- http://files.oyeskagreens.com/uploads/1/3/0/8/130874493/kunuvafizaxaf-wuwafovaxuvuj-devobodipax-vakitegiz.pdf
- http://files.leveringmill.org/uploads/1/3/1/3/131381985/tizone.pdf
- http://files.defy-foundation.org/uploads/1/3/1/4/131410662/1800807b8ef.pdf
- http://files.olivetcongregational.org/uploads/1/3/0/8/130813357/c6d6c23c3272ea.pdf
- https://cdn.shopify.com/s/files/1/0435/4595/2408/files/zadudefidusudoluma.pdf
- https://cdn.shopify.com/s/files/1/0432/0631/2098/files/84815457857.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/98223768302.pdf
- https://cdn.shopify.com/s/files/1/0428/5222/1091/files/jazedigar.pdf
- https://cdn.shopify.com/s/files/1/0429/4787/0876/files/43048457414.pdf
- https://cdn.shopify.com/s/files/1/0434/0491/8941/files/33550200207.pdf
- https://cdn.shopify.com/s/files/1/0433/0497/6548/files/fowividoxodiwapolosinukod.pdf
- https://cdn.shopify.com/s/files/1/0431/7449/4369/files/zuwobenowanogav.pdf
- https://cdn.shopify.com/s/files/1/0431/5296/5789/files/lajerejepawozepowud.pdf
- https://cdn.shopify.com/s/files/1/0428/8099/1388/files/fidimusipupuzap.pdf
- https://cdn.shopify.com/s/files/1/0429/7555/9829/files/78525742759.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_off00006d4b.bin0740363caed450aed3c7c58039ac3ba615f59981a3ea64ed158d5ee106b0abbf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6D4B | 5220 bytes |
font_01_sfnt_off00007eec.bin6b983110e1481011899e02197c2f444f9e552787cd1dd48598105c5ca34be8ec |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7EEC | 12268 bytes |
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