MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains numerous embedded links, masquerading as a 'Type 1 diabetes journal pdf', which direct users to external websites. One of these links, https://cctraff.ru/wb?keyword=type%201%20diabetes%20journal%20pdf, is identified as a known malicious redirector. The document's structure and extensive link farm suggest an attempt to drive traffic to potentially malicious or phishing sites, aligning with spearphishing attachment tactics.
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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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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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/wb?keyword=type%201%20diabetes%20journal%20pdf In PDF document text
- https://cdn-cms.f-static.net/uploads/4371272/normal_5f8b63b113274.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369309/normal_5f8c9a46084ab.pdfIn PDF document text
- https://rukinedofixod.weebly.com/uploads/1/3/4/3/134348838/3048698.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4393506/normal_5f8faf238cb9c.pdfIn PDF document text
- https://kifisiwa.weebly.com/uploads/1/3/4/2/134266158/mediwofuxitaka.pdfIn PDF document text
- https://xebikazogede.weebly.com/uploads/1/3/2/7/132740990/6d371b4a243e2c5.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368746/normal_5f8bab8b299e4.pdfIn PDF document text
- https://morekifozolil.weebly.com/uploads/1/3/4/3/134332894/belovuwonijagaweko.pdfIn PDF document text
- https://firedisivimi.weebly.com/uploads/1/3/0/9/130969818/9753842.pdfIn PDF document text
- https://xojisige.weebly.com/uploads/1/3/1/6/131637148/xujowovigix_sexesilupebawe.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4376096/normal_5f8c28d5e1f2c.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://uploads.strikinglycdn.com/files/b680c8c3-0a4e-4a92-8cb8-f28ccde2f326/16166859440.pdfIn PDF document text
- https://s3.amazonaws.com/zetare/training_administrator_job_description.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0873b029-d0f9-4d4e-8c65-0fb852719dc4/answered_prayers_truman_capote.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/277dff6a-fa95-4fe9-a4fa-7cbf8b686291/zerojozepuges.pdfIn PDF document text
- https://s3.amazonaws.com/memul/steuerklasse_ndern_formular_nrw.pdfIn PDF document text
- https://s3.amazonaws.com/henghuili-files/ion_demi_permanent_hair_color_reviews.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a2db1eca-584a-4281-96bd-bc7659a9a787/62110380866.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f10959d2-b942-49df-9329-dc68b599cc03/33029246308.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_off00006418.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6418 | 5236 bytes |
SHA-256: 1f296dfb9b1bc69796ea367584a06504e35685c9bfd551d1b3faf4662a9bd81b |
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font_01_sfnt_off000075ff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x75FF | 10836 bytes |
SHA-256: 10e6facde3f146095417cf292871ab6b24c6daf2c3f7ff86234e7b811e48a385 |
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font_02_sfnt_off00009afa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9AFA | 4324 bytes |
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34 |
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