MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link to a redirector URL, which is a common tactic for phishing and malware distribution. The document body, though heavily obfuscated, contains the same redirector URL and a large number of links to Shopify-hosted PDF files, suggesting a link farm or SEO poisoning attempt to drive traffic to malicious sites. The ML classifier strongly indicates maliciousness.
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=cheap+formal+dresses+online+usa
- http://muvud.iiamartmodels.com/uploads/1/3/1/0/131070450/6594414.pdf
- https://cdn.shopify.com/s/files/1/0427/5604/7004/files/63427027573.pdf
- https://cdn.shopify.com/s/files/1/0438/2133/4688/files/filurig.pdf
- https://cdn.shopify.com/s/files/1/0437/4750/8385/files/61152622821.pdf
- https://cdn.shopify.com/s/files/1/0432/7122/5494/files/themes_in_children_s_literature.pdf
- https://cdn.shopify.com/s/files/1/0438/2231/7728/files/91672666042.pdf
- https://cdn.shopify.com/s/files/1/0429/8424/3351/files/artificer_handbook_3._5.pdf
- https://cdn.shopify.com/s/files/1/0431/3179/7668/files/36503240110.pdf
- https://cdn.shopify.com/s/files/1/0431/6105/9477/files/xajedadinezinuvetonegip.pdf
- https://cdn.shopify.com/s/files/1/0432/2571/0750/files/4953261835.pdf
- https://cdn.shopify.com/s/files/1/0431/9785/7954/files/vebogud.pdf
- https://cdn.shopify.com/s/files/1/0428/3806/5308/files/39661720092.pdf
- https://cdn.shopify.com/s/files/1/0431/2816/0413/files/fofani.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_off000074e4.bin863f6fc5ab00b80b28c881b7bbdc33052be27a48d89dfaa4be22dfe6b0860b22 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x74E4 | 5188 bytes |
font_01_sfnt_off0000865e.bina5bbf489e091680c5c02751ed8b10361c7b93b875be102883b259632bd8a9f95 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x865E | 10528 bytes |
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