MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by multiple critical heuristics for containing malicious redirector links and a link farm. The primary malicious URL identified is https://ttraff.com/pify?keyword=categories+of+computer+pdf, which is part of a known malicious redirector infrastructure. The document body, though heavily obfuscated, contains this URL and other links pointing to various PDF files, suggesting a lure or a method to distribute further malicious content. No scripts were extracted from this sample.
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.com/pify?keyword=categories+of+computer+pdf
- http://files.hawkeyeequipment.ca/uploads/1/3/1/6/131606261/dibinakeb-mazarerad-wakune-fisorigovikog.pdf
- http://files.vasalou.net/uploads/1/3/0/7/130738559/6b053f9f7df.pdf
- http://jamur.tahoesacredvows.com/uploads/1/3/1/6/131637419/5642726.pdf
- https://cdn.shopify.com/s/files/1/0434/4440/4374/files/investment_banking_terms.pdf
- https://cdn.shopify.com/s/files/1/0428/6890/0006/files/20715052490.pdf
- https://cdn.shopify.com/s/files/1/0433/2565/3160/files/maxon_cinema_4d_r20.pdf
- https://cdn.shopify.com/s/files/1/0427/9762/9596/files/72343459691.pdf
- https://cdn.shopify.com/s/files/1/0431/5214/6587/files/zuxogegokovug.pdf
- https://cdn.shopify.com/s/files/1/0430/9454/0452/files/41151971976.pdf
- https://cdn.shopify.com/s/files/1/0432/5769/2315/files/wumibifakoredabevoguv.pdf
- https://cdn.shopify.com/s/files/1/0428/2476/1510/files/40383938593.pdf
- https://cdn.shopify.com/s/files/1/0433/8850/2174/files/novupuje.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/tevedizulav.pdf
- https://cdn.shopify.com/s/files/1/0431/5096/6950/files/91940422890.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_off0000613d.binc126f793ebe6fddaff3ae878a8934886c0ff94cf4cbcf95e41265ac41bbdf636 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x613D | 5348 bytes |
font_01_sfnt_off0000735c.bin2b1520e881c2c82219849e4c187f2e852fcd7dab7532e38b628dc3e27ea8b0cc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x735C | 9964 bytes |
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