MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link to a known malicious redirector, ttraff.cc, which is likely used to obscure the final malicious destination. The document body, though heavily obfuscated, contains the string 'Meiosis division pdf' and the URL 'https://ttraff.cc/pify?keyword=meiosis+division+pdf', suggesting a lure related to educational content. The presence of numerous external PDF links, many hosted on Shopify, indicates a link farm strategy to improve search engine visibility for malicious 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.cc/pify?keyword=meiosis+division+pdf
- http://fosarusip.gregwhite76.com/uploads/1/3/1/3/131398140/subagipexa_remamoja_xogedixememix_wifubuveg.pdf
- http://files.playfullpotential.com/uploads/1/3/1/3/131383575/faxukamuz-dulefefem.pdf
- http://files.ruthlowestory.com/uploads/1/3/1/8/131856956/paromi.pdf
- http://files.daveleeart.com/uploads/1/3/2/7/132712325/koniza-bunadupurip.pdf
- https://cdn.shopify.com/s/files/1/0432/4674/7803/files/jaxibefodamimivizozu.pdf
- https://cdn.shopify.com/s/files/1/0433/7880/2846/files/zufagozanozepas.pdf
- https://cdn.shopify.com/s/files/1/0430/6003/5735/files/10292581866.pdf
- https://cdn.shopify.com/s/files/1/0432/9350/7739/files/xewisupivefifiv.pdf
- https://cdn.shopify.com/s/files/1/0427/8580/0358/files/gafuto.pdf
- https://cdn.shopify.com/s/files/1/0437/2378/4360/files/medoweronibaba.pdf
- https://cdn.shopify.com/s/files/1/0433/9394/1671/files/majav.pdf
- https://cdn.shopify.com/s/files/1/0430/2353/2195/files/robokofibizetij.pdf
- https://cdn.shopify.com/s/files/1/0450/0570/1284/files/neumonia_viral_y_bacteriana_en_pediatria.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_off0000c80a.bin425eb40b14a833265a877b06e0a133111c2726af01b44a8c698498e7621fcb46 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC80A | 4760 bytes |
font_01_sfnt_off0000d86d.binaa52d54d03147b61b2201fa0b043fe9b33b968a7bfc9eec6a49f8802e591ea70 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD86D | 11608 bytes |
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