MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a heuristic firing for a malicious redirector link, directing users to 'ttraff.cc'. The document body, though heavily obfuscated, contains the same URL and appears to be a lure related to 'Prokaryotic and eukaryotic cell comparison answers'. The presence of numerous external links, many pointing to Shopify, suggests an attempt to create a link farm for SEO poisoning or to obscure the malicious redirector. 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.cc/pify?keyword=prokaryotic+and+eukaryotic+cell+comparison+answers
- http://fokim.michelledrumheller.com/uploads/1/3/1/8/131857252/bubuzujatemajar.pdf
- http://files.azaset.org/uploads/1/3/1/4/131438477/xusogirupilam-rurofixir-fitidusonites.pdf
- https://cdn.shopify.com/s/files/1/0434/0439/4646/files/aloe_vera_nombre_cientifico.pdf
- https://cdn.shopify.com/s/files/1/0432/8584/0036/files/hp_chromebook_11_g7_ee_service_manual.pdf
- https://cdn.shopify.com/s/files/1/0432/6018/2692/files/vokagusesofovovevadegezof.pdf
- https://cdn.shopify.com/s/files/1/0434/7035/6637/files/63577310389.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/wixedazatujiguxup.pdf
- https://cdn.shopify.com/s/files/1/0434/4571/5109/files/28591517658.pdf
- https://cdn.shopify.com/s/files/1/0439/4647/5678/files/filebaxebafe.pdf
- https://cdn.shopify.com/s/files/1/0430/3876/9303/files/conjunctions_worksheets_5th_grade.pdf
- https://cdn.shopify.com/s/files/1/0429/9004/3285/files/59626840539.pdf
- https://cdn.shopify.com/s/files/1/0439/7786/7422/files/juwapovijoxavuletibemosaj.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_off00007530.binf6a404b60c9dae6d92830191037ec987730db0ef8949a7e69a5808534452f7a7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7530 | 5476 bytes |
font_01_sfnt_off000087ce.binfd34224d32d793f794079421b824494816f688fd72bd0b8370d90b66fd3c8aae |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x87CE | 13500 bytes |
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