MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a significant number of external links, identified as a link farm. The presence of a critical ClamAV detection and a high ML score strongly indicate malicious intent. The primary purpose appears to be directing users to potentially malicious or SEO-manipulated content via the embedded URLs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://jacksth.ru/strik?utm_term=sonic+blast+sizes PDF link annotation
- https://cdn-cms.f-static.net/uploads/4369143/normal_60680967922d6.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4449009/normal_6030e3cfc304a.pdfIn PDF document text
- https://lonoripub.weebly.com/uploads/1/3/5/3/135319728/4315427.pdfIn PDF document text
- https://sirofutalaga.weebly.com/uploads/1/3/4/7/134706343/bigusixo.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4489245/normal_5ff5656f12826.pdfIn PDF document text
- https://wikerewozuzap.weebly.com/uploads/1/3/4/8/134868679/samob.pdfIn PDF document text
- https://noberewesuxo.weebly.com/uploads/1/3/1/3/131379636/takikawilubavik_durug.pdfIn PDF document text
- https://kusikulovaledif.weebly.com/uploads/1/3/1/6/131606813/mepirapujata_modoxuni_sijeresuwi.pdfIn PDF document text
- https://bijimeko.weebly.com/uploads/1/3/4/3/134327756/1805095.pdfIn PDF document text
- https://famepajovajegow.weebly.com/uploads/1/3/1/4/131438188/mujebasikav.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4369665/normal_5fe171a7f1c4b.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4487208/normal_5ffd798307371.pdfIn PDF document text
- https://segoponozumi.weebly.com/uploads/1/3/4/0/134000249/sisitaratogutumijij.pdfIn PDF document text
- https://salubekera.weebly.com/uploads/1/3/2/7/132740515/742056cd.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/110ec155-6b93-433c-ad0b-e7ab5f36c621/are_smoke_detectors_interchangeable.pdfIn PDF document text
- https://s3.amazonaws.com/sesijesule/dusegobojurovewolip.pdfIn PDF document text
- https://s3.amazonaws.com/zibenoroduzuw/88756157759.pdfIn PDF document text
- https://s3.amazonaws.com/natewared/opt_out_of_workplace_pension_form.pdfIn PDF document text
- https://s3.amazonaws.com/vavabi/ronuv.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/fd196abd-806c-462b-b8d2-525c2dd0a962/how_to_read_hydraulic_circuit_diagram.pdfIn PDF document text
- https://s3.amazonaws.com/zulezov/cartoon_picture_video_calling.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f266aa00-3d27-47db-84d7-bf4a132bcbdc/kupefukipowusatironu.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f4a2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4A2 | 8056 bytes |
SHA-256: 7ef336d9527d3de92c7a2f0c768cd05d6b13b1beff30cbe4a2b5bc43fdc5c5ec |
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font_01_sfnt_off00010fca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10FCA | 4992 bytes |
SHA-256: 16369cec8cad30c20b5c15f57f48c8cbeb4e22f6401ffb5d473aa8eeae4f0aae |
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font_02_sfnt_off000120df.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x120DF | 11596 bytes |
SHA-256: 8e475257e09b1f7896ac386e5c71ca99677c5e7a43002d4f9d7562eacb6683dd |
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