MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links to external resources, many hosted on disposable domains, indicating a link farm or SEO manipulation tactic. One critical heuristic identified a link to known malicious redirector infrastructure, suggesting a potential distribution point for further malicious content. While no scripts were explicitly extracted, the PDF structure and embedded links are indicative of a malicious intent 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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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://ggtraff.ru/strik?keyword=canard+pc+hardware+41+pdf+download In PDF document text
- http://files.aznursemidwives.org/uploads/1/3/1/6/131636632/5545697.pdfIn PDF document text
- http://mozij.smaexhibition-self.org/uploads/1/3/1/4/131408371/a77d0d.pdfIn PDF document text
- http://zunevipi.monthlyphysicalchallenge.com/uploads/1/3/1/1/131163991/53d900e2712d50.pdfIn PDF document text
- http://jolumawur.shelleyburgoyne.co.uk/uploads/1/3/1/4/131483372/361d22a5012077.pdfIn PDF document text
- http://jegusidul.tangodelalma.co.nz/uploads/1/3/1/4/131437130/51153fef.pdfIn PDF document text
- http://files.the-regular.com/uploads/1/3/0/7/130776063/8410293.pdfIn PDF document text
- http://files.bbpregistry.com/uploads/1/3/0/7/130776812/givuzikamagununaj.pdfIn PDF document text
- http://files.tomdexter.com/uploads/1/3/0/7/130776123/2714888.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/6fa52e0f-abf4-4bca-8ebb-350258a97f34/80202039300.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3ebe8b93-f0db-44e7-be91-c629dd77a6be/natisufosejoto.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/067aef50-f8fa-4053-bfb9-72d81de9b4ed/45726494890.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9aaebba5-ecfb-4d1b-afac-0ece493aac28/9330550455.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e507583a-040a-49ef-ac7a-aac122444fd5/48989531527.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4f933f9f-9bda-4ad1-b4ee-3240caf08fda/6905745332.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/052d9568-d72a-4473-928f-2e9bf36ac3ec/54799819659.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_off000061c7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x61C7 | 5204 bytes |
SHA-256: 5bcee24666ddada24219d95d71becee4183a056978a41df60c7aaf9c3107afe3 |
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font_01_sfnt_off00007393.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7393 | 10152 bytes |
SHA-256: f9f15928d13f635c2021124da7fb9481c15c6a1db3dae19a3a49657e26d46984 |
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