MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic, pointing to various domains. One of the primary links directs to 'https://gimoguvi.ru/award?keyword=parliamentary+system+of+uk+pdf'. The ML classifier strongly flagged this PDF as malicious. The presence of a link farm on disposable hosting suggests an attempt to manipulate search engine results or distribute potentially malicious content via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 5
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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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External URI info PDF_URIPDF contains an external URL action
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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://gimoguvi.ru/award?keyword=parliamentary+system+of+uk+pdf PDF link annotation
- http://xumupizaxuto.scienceontheweb.net/og_mandino_the_greatest_salesman_in_the_world_summary.pdfIn PDF document text
- http://lusaxesa.iblogger.org/18570027143.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4499283/normal_6020b372e3d0d.pdfIn PDF document text
- https://komamezumef.weebly.com/uploads/1/3/1/3/131398541/e9a028.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4408851/normal_5fd7ca62e34c8.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4491686/normal_600530a959004.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4490265/normal_6023857b06090.pdfIn PDF document text
- https://wibipujesotut.weebly.com/uploads/1/3/1/3/131398272/7093361.pdfIn PDF document text
- https://tigatomexinopi.weebly.com/uploads/1/3/4/4/134460375/5427777.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4483338/normal_600e5d74a2f44.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4375342/normal_603fd71e26c28.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4447095/normal_5fe7a0b67f477.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4491686/normal_5ffeaac266a11.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4407996/normal_5fd125b86f212.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/cd2e2db1-b731-411a-9916-f32e0d4baea9/60481193824.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d85771b3-8632-4c82-973f-8db78a7ff547/4_pics_1_word_level_262.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/23829232-57ff-48ed-ad2d-24f1daace2ad/11911378297.pdfIn PDF document text
- http://nesemuvalumut.rf.gd/fipoduditekunub.pdfIn PDF document text
- http://lujubozugib.epizy.com/plt_legend_bluetooth_peripheral_device_driver.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2f0c5179-141a-4d9c-b732-1754c8637eba/22152824735.pdfIn PDF document text
- http://vupaguriwedizid.atwebpages.com/95560723789.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_off0000e738.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE738 | 5356 bytes |
SHA-256: d77fb785c478c1aecb1bfaf56907b96dc6168bdacea1ff6cb20f5b082f4a7391 |
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font_01_sfnt_off0000f963.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF963 | 10508 bytes |
SHA-256: 500dfd22f752c8255324e0df83017d78d5a2a23e98c4250b5f69b7bbb99ac077 |
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