MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a significant number of embedded links, with one identified as a malicious redirector. The presence of numerous links, many pointing to Shopify domains with numeric slugs, suggests a link farm or SEO manipulation tactic. The primary malicious URL is https://ttraff.ru/pify?keyword=relative+clauses+exercises+pdf+1+bachillerato, which is likely used to redirect users to further malicious content.
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 https://ttraff.ru/pify?keyword=relative+clauses+exercises+pdf+1+bachillerato In PDF document text
- http://files.openhouseeducation.com.au/uploads/1/3/1/4/131410747/wituzubilitivi.pdfIn PDF document text
- http://files.mollystreasuretrove.com/uploads/1/3/1/4/131407980/widev-sokikovafisibus.pdfIn PDF document text
- http://files.camera1.ca/uploads/1/3/1/3/131380413/pizixejawij.pdfIn PDF document text
- http://files.gordonmilneart.com/uploads/1/3/1/4/131452958/2101215.pdfIn PDF document text
- http://files.landscapeservicenassaucounty.com/uploads/1/3/0/7/130775229/a82743db68.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/1/0428/4507/7660/files/67047793834.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0705/7825/files/47047559009.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8037/5704/files/core_and_advanced_java_mcq_questions_with_answers.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1103/0683/files/sofevekipuxoda.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/6633/6167/files/ruxere.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1671/5429/files/77114872422.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0443/6351/4012/files/lowes_terre_haute_indiana.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3577/0532/files/popevomojabosexiru.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1588/9305/files/17682508989.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1880/5657/files/88831890760.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0802/4985/files/18501591186.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/20597849085.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0505/1029/files/wewevubelamedujatogixovo.pdfIn PDF document text
- http://wwwedu.ge.ch/cptic/prospective/projetIn 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_off00005ecd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5ECD | 5568 bytes |
SHA-256: 0946e8f2f764181955c1b6c168e91343765772b11c1dfc3891a1cb1a6326e52f |
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font_01_sfnt_off000071c6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x71C6 | 10296 bytes |
SHA-256: a2aea625bb76911c962c455f997d206497964fb39fe65bfce26f6c88b79239c7 |
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