MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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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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://chcial.ru/pbw?utm_term=general+characteristics+of+bacteria+pdf PDF link annotation
- https://bujivopipagafo.weebly.com/uploads/1/3/5/3/135321681/mowen.pdfIn PDF document text
- https://sotugipuzelaj.weebly.com/uploads/1/3/0/7/130738723/43295d2778edf.pdfIn PDF document text
- https://tifumuzusiwapa.weebly.com/uploads/1/3/4/6/134658039/fuvasoju.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4413228/normal_60c0df413c585.pdfIn PDF document text
- https://lepuxodotedob.weebly.com/uploads/1/3/4/5/134507089/zaniw.pdfIn PDF document text
- https://joluduloj.weebly.com/uploads/1/3/4/2/134266967/541528ef31.pdfIn PDF document text
- https://lifexego.weebly.com/uploads/1/3/0/8/130874678/9a07a2649fe8bc.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4500895/normal_5ff8da5c8d1e9.pdfIn PDF document text
- https://kuduxefu.weebly.com/uploads/1/3/2/6/132695679/xeket.pdfIn PDF document text
- https://zepekofudi.weebly.com/uploads/1/3/1/4/131407423/tiparazarus-jirutu.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366339/normal_5feaeb46d598c.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/7c2b2eab-4d6f-4c1b-bdbc-b99ed914c530/sufabebifonupodibix.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/99fa1656-d1cb-45f2-b442-c50005982a52/xilarevikobelojemem.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f8934199-7d66-45bf-8361-8a523401b715/jigow.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/55057839-61c7-415f-b94f-de6aee19120c/gunimoj.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b122469e-a0c8-4e18-9190-18814652c79b/taxin.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/fe209a1f-b9aa-4cd6-a5a0-c93478bc343d/rezevuxuporolotezufojasel.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6811fca9-d4ac-40a7-b3c4-7b327e457ee9/fazonofade.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f50e9872-8263-4b46-b622-5ee05bc25044/ritter_m11_ultraclave_door_gasket.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/419b5eb4-a146-47f5-b143-f4a6cd96c94d/english_sentence_structure.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/301f65e6-c882-4e3a-9d53-d8747f9df6c4/xiwepixuwakolimomexi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c808c9d3-ff44-4244-adb3-f2a3b11eefff/minevisatu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/dd711694-88d9-4095-b69c-d28239142925/2752284644.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e3984b8e-7c80-4ffe-8f33-8ee0a74581e6/99201832845.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_off0000dff5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFF5 | 5416 bytes |
SHA-256: 24643d471db0bf0a7453d6b63b05ac75d755b911fc5578eec1f16249c9bf6de1 |
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font_01_sfnt_off0000f250.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF250 | 11024 bytes |
SHA-256: ce1a151fa1fb387851cbd7edd294ad38577ed944d382b85bace875ee3b747957 |
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