MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link, which is also present in the document body. This link, 'https://ttraff.cc/pify?keyword=chronicle+of+a+death+foretold+chapter+1+pdf', is designed to lure users into clicking it by appearing to offer a book chapter. The PDF also exhibits characteristics of a link farm, with numerous embedded links pointing to external PDF files, many hosted on Shopify. The ML classifier strongly supports the malicious verdict.
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.cc/pify?keyword=chronicle+of+a+death+foretold+chapter+1+pdf
- http://files.redriverworkingdogs.com/uploads/1/3/1/4/131438137/582816.pdf
- http://files.525pathfinder.com/uploads/1/3/0/7/130776220/savex.pdf
- http://files.nicholasadamswrites.com/uploads/1/3/1/4/131413678/vejuxifu_dowetaz_bokuroxifagaxuj_mukeselesakog.pdf
- http://files.gevebe.com/uploads/1/3/1/0/131070799/930dc9b0d97dde.pdf
- http://files.wisconsinwindorchestra.com/uploads/1/3/1/6/131606128/janan.pdf
- https://cdn.shopify.com/s/files/1/0427/7701/8524/files/46745091020.pdf
- https://cdn.shopify.com/s/files/1/0429/8620/9439/files/63734731295.pdf
- https://cdn.shopify.com/s/files/1/0433/3273/1038/files/fovunoxevuwabo.pdf
- https://cdn.shopify.com/s/files/1/0437/4711/5157/files/ketirotefuv.pdf
- https://cdn.shopify.com/s/files/1/0433/4593/6534/files/addition_facts_table.pdf
- https://cdn.shopify.com/s/files/1/0435/9097/5647/files/77638953377.pdf
- https://cdn.shopify.com/s/files/1/0435/0859/6900/files/98921991231.pdf
- https://cdn.shopify.com/s/files/1/0428/3141/3404/files/36925903239.pdf
- https://cdn.shopify.com/s/files/1/0432/4861/5579/files/jimofeleditoruzi.pdf
- https://cdn.shopify.com/s/files/1/0432/4386/4228/files/95368211423.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_off00007103.bin0f2be84bacaaba420312265a06da170dd9116ac88e8b16b5be7766889a6cd1e3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7103 | 5024 bytes |
font_01_sfnt_off00008209.bin07c9e498ab95f4304e4da85260546249c02bc686e165f7495ee47beb8eb34e28 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8209 | 9928 bytes |
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