MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, including one pointing to a known malicious redirector at 'https://ttraff.ru/pify?keyword=class+9+english+moments+chapter+6+answers'. The document body and embedded link structures suggest a tactic to drive traffic to potentially malicious or SEO-spam related content. The ML classifier strongly indicated maliciousness, supporting the assessment of a phishing or redirection attack.
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.ru/pify?keyword=class+9+english+moments+chapter+6+answers
- http://files.oilsister.com/uploads/1/3/0/8/130874370/2633360.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0433/8850/2174/files/91945496626.pdf
- https://cdn.shopify.com/s/files/1/0433/0281/3849/files/reading_answer_sheet_ielts.pdf
- https://cdn.shopify.com/s/files/1/0432/3121/5774/files/backflip_ka_dar_video.pdf
- https://cdn.shopify.com/s/files/1/0429/2830/8387/files/ronim.pdf
- https://cdn.shopify.com/s/files/1/0430/0242/9593/files/62615607961.pdf
- https://cdn.shopify.com/s/files/1/0435/8130/9085/files/84584879202.pdf
- https://cdn.shopify.com/s/files/1/0429/7188/9815/files/degapibarolaze.pdf
- https://cdn.shopify.com/s/files/1/0430/9952/1178/files/nibeximuxegetofo.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/zemivok.pdf
- https://cdn.shopify.com/s/files/1/0434/2287/5797/files/fisewofuramezavatozabakop.pdf
- https://cdn.shopify.com/s/files/1/0432/3390/2760/files/netusenefekatexaz.pdf
- https://cdn.shopify.com/s/files/1/0428/7037/4566/files/45961727744.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000673a.bin4393aba88a5c517bbc73f2117c2086bd190a7d2c839b1bc3d83b41d29fb8ac30 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x673A | 5652 bytes |
font_01_sfnt_off00007a4d.bin6d6bfe4d48243ac9bdf5d043fc56b587c251db6609a69ee753171ee842560614 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7A4D | 10240 bytes |
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