MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains a large number of embedded links, many of which point to disposable hosting and are likely part of a link farm for SEO manipulation or to distribute malicious content. One critical heuristic identified a link to a known malicious redirector, indicating a phishing or malware distribution attempt. The ML classifier also strongly flagged this PDF as malicious.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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://crophysi.ru/award?keyword=harold+pinter+betrayal+script+pdf In PDF document text
- https://static.s123-cdn-static.com/uploads/4383923/normal_5fe222f93a067.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4483870/normal_5fd18aa8222d4.pdfIn PDF document text
- http://femikig.22web.org/wow_classic_system_requirements_mac.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4471253/normal_602d835f8680b.pdfIn PDF document text
- http://pazadixokumox.sportsontheweb.net/paxupozojapikew.pdfIn PDF document text
- http://vumajufeboxidik.mywebcommunity.org/cuisinart_air_fryer_toaster_oven_accessories.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4471230/normal_5ffff70f8bf89.pdfIn PDF document text
- https://vewuwoxefi.weebly.com/uploads/1/3/1/3/131379256/fegunum.pdfIn PDF document text
- https://sekuruzinof.weebly.com/uploads/1/3/4/8/134897543/9598133.pdfIn PDF document text
- https://xupubiwe.weebly.com/uploads/1/3/4/3/134339906/ledeledom.pdfIn PDF document text
- https://rarasuxa.weebly.com/uploads/1/3/1/3/131398432/4744bd2dde8b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4413862/normal_6040a591bc27d.pdfIn PDF document text
- https://pepesavujol.weebly.com/uploads/1/3/1/0/131071240/rujow-niwikifadebif.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://noluduji.epizy.com/aguas_de_marco_piano.pdfIn PDF document text
- https://a91873a8-1f5b-4151-915d-af39eb211f25.filesusr.com/ugd/3f80ec_16c8a6c8720c4d1e82fe33f0c45cc3eb.pdf?index=trueIn PDF document text
- https://cf2e1f24-e5f1-4289-9567-3affce9c164e.filesusr.com/ugd/a4ea6c_1842e4c8379c4bb8a0fd380562af9ca9.pdf?index=trueIn PDF document text
- http://gelidug.epizy.com/bertholdt_transformation_english_dub.pdfIn PDF document text
- http://dowugodaka.epizy.com/15634680130.pdfIn PDF document text
- https://d9226533-59f4-4737-ae77-cfa9cdee5378.filesusr.com/ugd/d7c203_4b8e77fab9444dfd961e6893187fe1fa.pdf?index=trueIn PDF document text
- https://80820154-e864-4b0c-832b-212b24169927.filesusr.com/ugd/c12414_706393573b85497abcd285d830c2e33c.pdf?index=trueIn PDF document text
- http://gewagopixinilu.rf.gd/6623307970.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_off000189e3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x189E3 | 5352 bytes |
SHA-256: d60073ae00ec44fe9dc39841600e9b6191de6f0a7f969f3ce1f86dada1536d1a |
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font_01_sfnt_off00019c20.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x19C20 | 11176 bytes |
SHA-256: 3c8678def08d7297a03d35e1213a07e5a228cb5a5778153774f8353a00c23808 |
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