MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains a large number of embedded links, many of which point to disposable hosting domains and appear to be part of a link farm. One of these links, 'https://ggtraff.ru/123?keyword=terminologia+del+sistema+urinario+pdf', is identified as a known malicious redirector. This suggests the document's primary purpose is to lure users into clicking malicious links, potentially leading to further compromise.
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/123?keyword=terminologia+del+sistema+urinario+pdf In PDF document text
- https://cdn-cms.f-static.net/uploads/4369640/normal_5f87c4fa6786b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369142/normal_5f87e3b58242b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366374/normal_5f8712c284ea5.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4365562/normal_5f8766cda1e53.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4367303/normal_5f874f77a33d6.pdfIn PDF document text
- https://site-1038771.mozfiles.com/files/1038771/wezukosal.pdfIn PDF document text
- https://site-1041282.mozfiles.com/files/1041282/levurususoni.pdfIn PDF document text
- https://site-1036944.mozfiles.com/files/1036944/zikitirajariru.pdfIn PDF document text
- https://sesuwulot.weebly.com/uploads/1/3/1/4/131438847/jumufowubaboduwibipu.pdfIn PDF document text
- https://viweposedijul.weebly.com/uploads/1/3/1/0/131070314/5988363.pdfIn PDF document text
- https://wepeweguwerixum.weebly.com/uploads/1/3/1/8/131856135/4028075.pdfIn PDF document text
- https://vamekatowozi.weebly.com/uploads/1/3/0/8/130814347/8960935.pdfIn PDF document text
- https://site-1039757.mozfiles.com/files/1039757/30642026783.pdfIn PDF document text
- https://site-1039349.mozfiles.com/files/1039349/zipiwuworujivotekij.pdfIn PDF document text
- https://site-1038416.mozfiles.com/files/1038416/rarugajebakabuxeturix.pdfIn PDF document text
- https://site-1039906.mozfiles.com/files/1039906/fodovera.pdfIn PDF document text
- https://gimejexoxixaza.weebly.com/uploads/1/3/1/8/131872185/3355978.pdfIn PDF document text
- https://seririgikum.weebly.com/uploads/1/3/0/7/130739922/b8f4e66e700fa.pdfIn PDF document text
- https://rezizeme.weebly.com/uploads/1/3/0/7/130775554/dugigen.pdfIn PDF document text
- https://dutitujazekap.weebly.com/uploads/1/3/0/8/130814390/ef82e0d.pdfIn PDF document text
- https://bedizegoresupa.weebly.com/uploads/1/3/1/3/131379398/vunidixeviro_xitosujitupile_kadape.pdfIn PDF document text
- https://bedizegoresupa.weebly.com/uploads/1/3/1/3/131379398/3794757.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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_off0000b12a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB12A | 5308 bytes |
SHA-256: 96d564ebdff28f07bb2fac1276c7637ba8e6c0d7659a8337d467661b2337b117 |
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font_01_sfnt_off0000c321.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC321 | 11192 bytes |
SHA-256: 69e8bb5534670de643735a3b38c0957821d44579e6c4340742cc65fe93c1721d |
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