MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of embedded URLs, many of which point to disposable domains and are likely part of a link farm or SEO manipulation scheme. One critical heuristic indicates a link to known malicious redirector infrastructure. ClamAV also detected the file as Pdf.Phishing.Trojan, suggesting a phishing or malicious payload delivery intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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/123?utm_term=accumulation+phase+value+reporting In PDF document text
- https://pulijapejupexeb.weebly.com/uploads/1/3/4/0/134041872/vuboteximatipef.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4418973/normal_60102c1e30a01.pdfIn PDF document text
- https://nubajegi.weebly.com/uploads/1/3/0/8/130814178/512bc54bb66a747.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4483864/normal_6005d33168f3d.pdfIn PDF document text
- https://zefuduxob.weebly.com/uploads/1/3/4/8/134895043/5291051.pdfIn PDF document text
- https://jifabipesetumef.weebly.com/uploads/1/3/4/8/134896168/pewodojuruwuduzat.pdfIn PDF document text
- https://silodadut.weebly.com/uploads/1/3/2/7/132712229/gibojit_nunususabegamis.pdfIn PDF document text
- https://guzoxufogoxuwo.weebly.com/uploads/1/3/4/0/134097696/sixox.pdfIn PDF document text
- https://naxibozagut.weebly.com/uploads/1/3/4/5/134580084/tawokonigefi-fojudofatidiva-juwajesadilum.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369773/normal_601f7246473b7.pdfIn PDF document text
- https://fapizorimuko.weebly.com/uploads/1/3/1/1/131164308/jajigidodobaj_desenedavu_tesopatapu.pdfIn PDF document text
- https://ferosikapomizud.weebly.com/uploads/1/3/4/5/134526037/71a90370e.pdfIn PDF document text
- https://masizomomom.weebly.com/uploads/1/3/2/6/132681315/1787a82040a1.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/8454b06e-651c-48ba-b2ab-f7d217168564/turboprop_flight_simulator_mod_apk_apkhome.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/10bd38dc-337c-4796-91f6-521ef378ca4d/nazigekuberas.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/072edf74-a82a-4bff-a7ff-140ef2b69038/jasogaxekefixaxuwiwi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/bc068ee9-fa26-46ee-a100-c05cde9037d1/79105860649.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/002dd5cf-fbf4-41d9-8317-944eefb7b517/25891960839.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/bd647d16-1d3d-48fe-b346-c9dd6375c022/rug_doctor_instruction_leaflet.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1e7cf218-503d-4d4b-974c-aef6fceb0a97/the_new_exorcist_2020.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ea347e4e-8278-4c1a-aa84-10b94c90a5d6/crear_hoja_de_vida_online.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_off00017444.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17444 | 5396 bytes |
SHA-256: 61d7c13078d4e5411dce7216f87ab0c1f4bc2d7b9ff4c0f9f63c8a49a502a2b1 |
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font_01_sfnt_off0001867a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1867A | 15024 bytes |
SHA-256: 9655aba38a2fbc4721d4b8a02e403052bdb0153958e60667e73f6e4a1b4bb30b |
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