MALICIOUS
152
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. The PDF also contains a large number of external links, many hosted on Shopify, suggesting a link farm for SEO manipulation or to obscure malicious destinations. The primary malicious URL is ttraff.cc, which redirects to a specific chemistry book lure.
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=chemistry+book+grade+10
- http://files.kierstinbible.com/uploads/1/3/0/7/130776204/a436b0d.pdf
- http://files.usbmnla.com/uploads/1/3/1/4/131438007/7525669.pdf
- http://files.pilateswithmichelle.org/uploads/1/3/1/4/131438389/d0415011d11202.pdf
- http://files.kierstinbible.com/uploads/1/3/0/7/130776204
- https://cdn.shopify.com/s/files/1/0429/9830/0823/files/demezimepezujutomeripisu.pdf
- https://cdn.shopify.com/s/files/1/0431/2599/7722/files/52711318922.pdf
- https://cdn.shopify.com/s/files/1/0435/6859/5112/files/18064278304.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/nomevorijodasulalo.pdf
- https://cdn.shopify.com/s/files/1/0433/2853/6731/files/davisimulagikujagik.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/93236297381.pdf
- https://cdn.shopify.com/s/files/1/0438/8500/2920/files/32325440921.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/mipubafuminidumef.pdf
- https://cdn.shopify.com/s/files/1/0435/7141/3160/files/46853304013.pdf
- https://cdn.shopify.com/s/files/1/0436/9452/2518/files/sisesinofepojesu.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/nagexonulelaxefirulilona.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_off00005f6c.binf24859d62535a2bc4ed707ec3550d6ae44e8e29568517c4707f0b7c5409953f9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F6C | 5412 bytes |
font_01_sfnt_off000071dd.bin5e1285962c02e9e43452579b7ee20097f0656b7fd4f110d10be653d8c4795598 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x71DD | 9996 bytes |
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