MALICIOUS
192
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
The PDF contains numerous links to external PDF files hosted on disposable domains, indicating a link farm designed for SEO manipulation or traffic redirection. One prominent URL, 'https://cctraff.ru/strik?keyword=africa+twin+dct+owners+manual', is flagged as a malicious redirector. The document body, though heavily obfuscated, contains references to this URL and other PDF links, suggesting a lure to trick users into clicking through to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://cctraff.ru/strik?keyword=africa+twin+dct+owners+manual In PDF document text
- https://site-1040795.mozfiles.com/files/1040795/dojuraxipasi.pdfIn PDF document text
- https://site-1044155.mozfiles.com/files/1044155/saguzapixisadi.pdfIn PDF document text
- https://site-1041937.mozfiles.com/files/1041937/pirijopibojul.pdfIn PDF document text
- https://sesuwulot.weebly.com/uploads/1/3/1/4/131438847/6443274.pdfIn PDF document text
- https://jobubati.weebly.com/uploads/1/3/1/4/131453688/6139389.pdfIn PDF document text
- https://mogilifus.weebly.com/uploads/1/3/0/7/130739831/4102594.pdfIn PDF document text
- https://mojivimimujovo.weebly.com/uploads/1/3/0/8/130874437/038885c85ecf8f0.pdfIn PDF document text
- https://kidunaxu.weebly.com/uploads/1/3/1/4/131437100/xafurijemi.pdfIn PDF document text
- https://gonerogad.weebly.com/uploads/1/3/1/4/131438616/fajibonawa.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/1/0497/7816/3863/files/lagrangian_formulation_of_general_relativity.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/3625/2072/files/how_many_it_works_perk_points_equal_a_dollar.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0481/9995/8680/files/finuxupefiwexadugewubakiw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0481/6968/1047/files/nupabiwibunorumadifutogo.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/79b072c0-1ae0-43ea-b560-1edb48c78905/61227005132.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/71a592ff-21fc-49ef-920d-b2f5b0042c26/siwadudopidojego.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e9c7501c-e4b9-468d-a605-423e18007e46/26815031963.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f4df44aa-7b71-4314-81f6-c3538d8b2185/17493225420.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e04801db-4cc7-4165-a53e-23508eb434c6/47209794593.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_off000051b0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x51B0 | 5132 bytes |
SHA-256: d24150c34950a8f0c793401e661fede2e4964f24b5faa968b46422741c29313e |
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font_01_sfnt_off00006308.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6308 | 10700 bytes |
SHA-256: c0b00732c57bf7b42da0ab9b33dadbfe20ec6c36c50d851f90150b3eb14b439c |
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font_02_sfnt_off0000879b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x879B | 4324 bytes |
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176 |
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