MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a heuristic firing for linking to known malicious redirector infrastructure, specifically https://ttraff.ru/pify. The document body also contains this URL and numerous other links to PDF files hosted on Shopify, suggesting a link farm or SEO poisoning attempt. The ML classifier strongly flagged this PDF as malicious, indicating a high likelihood of malicious intent, likely to redirect users to a phishing or malware distribution site.
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=calendario+liga+2020+pdf
- http://files.barrydelivery.com/uploads/1/3/1/6/131607662/a057656b6468951.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0432/2538/3073/files/nimitizomunedixijuxegom.pdf
- https://cdn.shopify.com/s/files/1/0430/9306/5881/files/year_2_maths_problem_solving.pdf
- https://cdn.shopify.com/s/files/1/0435/7036/4571/files/the_charioteer_of_delphi_comprehension_answers.pdf
- https://cdn.shopify.com/s/files/1/0436/9884/7896/files/55070541789.pdf
- https://cdn.shopify.com/s/files/1/0434/4178/2946/files/74323373287.pdf
- https://cdn.shopify.com/s/files/1/0429/5091/8310/files/tupapotomilim.pdf
- https://cdn.shopify.com/s/files/1/0432/5769/2320/files/madevidobi.pdf
- https://cdn.shopify.com/s/files/1/0444/3999/4534/files/44979167167.pdf
- https://cdn.shopify.com/s/files/1/0437/2722/4986/files/estimation_and_costing_book_by_rangwala.pdf
- https://cdn.shopify.com/s/files/1/0430/4211/1650/files/benito_juarez_biografia.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
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005a4a.bin609b4cebbf2529c907a2ad9c4944202cd1c11bf33f343e03462e88d1150b4c6a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5A4A | 5212 bytes |
font_01_sfnt_off00006c11.bin6f3a8fbbe4b62318361c91158652bd7956af6fb9fb653c2b40fea601643a3980 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6C11 | 11092 bytes |
font_02_sfnt_off00009047.bine9cf687b76f137aec67d68831f9d11b8b042d8608c48378d8b0ece48f167d107 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9047 | 16064 bytes |
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