MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 User Execution: Malicious Link
The PDF contains a link to a known malicious redirector, ttraff.ru, which is presented to the user as a "Game of Thrones books PDF". The PDF also contains a large number of links to other PDFs hosted on Shopify, likely part of a link farm to improve search engine ranking for malicious content. The ML classifier strongly flagged this PDF as malicious.
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=game+of+thrones+livros+pdf
- http://files.misswaynecounty.org/uploads/1/3/1/4/131406337/6cb3a2d5.pdf
- http://totud.zhangtours.com/uploads/1/3/1/4/131453494/5341818.pdf
- http://files.webfirethemes.com/uploads/1/3/1/4/131453869/d9c14596622a8.pdf
- https://cdn.shopify.com/s/files/1/0438/4522/2557/files/volugapivo.pdf
- https://cdn.shopify.com/s/files/1/0429/5327/7589/files/bricks_intensive_reading_2_answer_key_pdf.pdf
- https://cdn.shopify.com/s/files/1/0433/0127/3755/files/82003406778.pdf
- https://cdn.shopify.com/s/files/1/0434/0416/5285/files/joint_venture_accounting_entries.pdf
- https://cdn.shopify.com/s/files/1/0433/4324/9563/files/50877824179.pdf
- https://cdn.shopify.com/s/files/1/0433/5131/0488/files/76112197175.pdf
- https://cdn.shopify.com/s/files/1/0434/3224/7457/files/43886672698.pdf
- https://cdn.shopify.com/s/files/1/0430/4352/0666/files/40587449482.pdf
- https://cdn.shopify.com/s/files/1/0432/6552/3862/files/2570886444.pdf
- https://cdn.shopify.com/s/files/1/0437/2715/9448/files/oxford_textbook_of_oncology.pdf
- https://cdn.shopify.com/s/files/1/0431/5129/4628/files/96200307183.pdf
- https://cdn.shopify.com/s/files/1/0434/5089/2440/files/wilizegubiruzarovuzuduzi.pdf
- https://cdn.shopify.com/s/files/1/0432/3088/8103/files/administrao_estratgica_conceitos_wright.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_off000092d0.bin0a30dc4b6d335c8c0c165ebf4f4ceefb868c7394a3153a017de2893069432441 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x92D0 | 5372 bytes |
font_01_sfnt_off0000a4f7.bin4e7b1d771062543ea9dd634248fa51325441398bdb65c98064bfaf5f5ab1aeb4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA4F7 | 10748 bytes |
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