MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was identified as malicious due to its inclusion of numerous links to a redirector service, specifically 'ttraff.ru', which is flagged for malicious activity. The document body, though heavily obfuscated, contains references to the redirector URL and other PDF files hosted on Shopify, suggesting a link farm or SEO poisoning tactic to distribute malicious content. The ML classifier strongly indicated maliciousness, and the presence of redirector links points towards a phishing or malware distribution scheme.
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=acta+constitutiva+de+grupo+bimbo+pdf In PDF document text
- http://files.vcubeconstructions.com/uploads/1/3/2/6/132695663/7d5cf12c9a8fa.pdfIn PDF document text
- http://files.sailinhistory.eu/uploads/1/3/0/7/130775310/domesuzezofiv.pdfIn PDF document text
- http://files.statementzine.com/uploads/1/3/1/0/131069890/jinevigodarifoj-subetugumep-jogula.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0437/5917/3784/files/xabomokolulejove.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9480/2581/files/89216425212.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6649/8965/files/74055515865.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5148/2278/files/33677872785.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/4409/2566/files/pevasaxetujubuwidoz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7395/4204/files/32285843102.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8276/0870/files/63146294671.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8198/0317/files/94517099374.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9440/0423/files/biomateriales_dentales_libro.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7469/8902/files/45009982091.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1854/2504/files/online_cv_maker_in_format.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9417/2058/files/41484350966.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/0620/3803/files/definition_of_work_motivation.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000068ab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x68AB | 5516 bytes |
SHA-256: 45d49ea54fc29d978e73e297f510f0aea288f40dba7999e38b9f40d4029f125d |
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font_01_sfnt_off00007b4b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7B4B | 11548 bytes |
SHA-256: a8235c7d25e72c3a20e5e4cee0ab367d5976422df509222d793e965d376f9d58 |
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font_02_sfnt_off0000a0e7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA0E7 | 4324 bytes |
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3 |
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