MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document contains a large number of embedded links, many of which point to external resources. One critical heuristic firing indicates that the PDF links to known malicious redirector infrastructure, specifically 'https://ttraff.ru/wb?keyword=cours%20sur%20les%20droits%20de%20l'. The ML classifier also strongly flagged this PDF as malicious. The document appears to be a link farm designed to redirect users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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 http://files.sitesbydane.com/uploads/1/3/1/3/131380128/13393.pdf In PDF document text
- http://files.miltonjiu-jitsu.ca/uploads/1/3/1/0/131070799/1bb89a54.pdfIn PDF document text
- http://files.patersonsland.co.uk/uploads/1/3/0/8/130874238/baguzemi.pdfIn PDF document text
- http://files.practicalautomation.com/uploads/1/3/0/7/130740429/7385700.pdfIn PDF document text
- http://files.goldengoosefilmsinc.com/uploads/1/3/1/6/131606429/mebeledidigaguvi.pdfIn PDF document text
- https://ttraff.ru/wb?keyword=cours%20sur%20les%20droits%20de%20lIn PDF document text
- https://ttraff.ru/wb?keyword=cours%20sur%20les%20droits%20de%20l'homme%20(pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0449/9157/8276/files/bsf_tradesman_application_form_2020.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4891/9450/files/24598181440.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9183/6566/files/spreadsheet_formulas_excel.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5259/6374/files/essential_organic_chemistry_bruice.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5761/7823/files/school_drrm_action_plan.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8370/3206/files/tudodunobaruxinujabape.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3964/6108/files/tarukanifivefa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5545/6149/files/bukoki.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1052/2279/files/33573001992.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3998/0710/files/understanding_business_free.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9805/4558/files/83060172161.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1892/7776/files/83826192160.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0167/5939/files/b._sc_2nd_year_chemistry_notes.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006cb5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6CB5 | 5164 bytes |
SHA-256: 30bba243b8c9d33a4319bdbf93bc0507aa166cf70047b641ad7a9a8aa96ca174 |
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font_01_sfnt_off00007e32.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7E32 | 10056 bytes |
SHA-256: 41e1fbcb999554557cdda801addcf7b5968884424edcfb100517d4a45edc75df |
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