MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains a large number of embedded links, many of which lead to external PDF files, suggesting a link farm or SEO manipulation tactic. One critical heuristic identified a link to a known malicious redirector, indicating a malicious intent to direct users to harmful content. The ML classifier also 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=advantages+and+disadvantages+of+probability+sampling+pdf
- http://files.theapowers.net/uploads/1/3/1/4/131408970/dixirukifudu.pdf
- http://files.pegsjewels.com/uploads/1/3/2/3/132303378/bigimed.pdf
- http://files.millrdcommunityspace.ca/uploads/1/3/0/7/130775402/jimig.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0429/9623/6447/files/velugifogesuvefolipez.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/24810932871.pdf
- https://cdn.shopify.com/s/files/1/0441/1323/2024/files/titan_air_compressor_parts.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/rojifibopi.pdf
- https://cdn.shopify.com/s/files/1/0427/8065/5775/files/95454349714.pdf
- https://cdn.shopify.com/s/files/1/0432/4930/3720/files/94863263520.pdf
- https://cdn.shopify.com/s/files/1/0430/3106/8823/files/liduzajotilixoti.pdf
- https://cdn.shopify.com/s/files/1/0433/0635/2804/files/99218711346.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/nitopufekuriwuk.pdf
- https://cdn.shopify.com/s/files/1/0429/6795/7660/files/characteristics_of_genetic_code.pdf
- https://cdn.shopify.com/s/files/1/0428/3544/3875/files/zikuninedoka.pdf
- https://cdn.shopify.com/s/files/1/0436/3105/0915/files/how_to_make_a_group_in_discord.pdf
- https://cdn.shopify.com/s/files/1/0430/5915/1009/files/kosoxa.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_off00006d35.bin8f46cb1c3152836bd8cfc38b45bf9ce011a2a83257ce98aaf51f5707742fa821 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6D35 | 5652 bytes |
font_01_sfnt_off0000806b.bin338d6b3dc65e50d978987e6f84fb84d330c738b9981922703e5080903a093389 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x806B | 10312 bytes |
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