MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier. It contains a large number of external links, many pointing to disposable domains, suggesting a link farm or SEO manipulation tactic. The primary malicious URL identified is https://midufefew.ru/strik. While no scripts were extracted, the PDF structure and link farm behavior indicate a malicious intent to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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://midufefew.ru/strik?utm_term=full+wave+rectifier+lab+manual+pdf PDF link annotation
- https://xasugalepo.weebly.com/uploads/1/3/4/3/134311154/jadufimarotija.pdfIn PDF document text
- https://sekorora.weebly.com/uploads/1/3/4/8/134856449/samugipilamafab_bumukadap.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4377928/normal_5fcf44b79935f.pdfIn PDF document text
- https://xudinenudomojuv.weebly.com/uploads/1/3/4/3/134356320/1092128.pdfIn PDF document text
- https://jutamuxenaritul.weebly.com/uploads/1/3/1/4/131452982/8e7ae23d67.pdfIn PDF document text
- https://jikizukudelo.weebly.com/uploads/1/3/4/8/134879768/zigifon_wizojipifij.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4382960/normal_60026e4478d2b.pdfIn PDF document text
- https://jokoturatel.weebly.com/uploads/1/3/5/9/135993825/5964243.pdfIn PDF document text
- https://safasisi.weebly.com/uploads/1/3/4/4/134472516/vevotizelofi.pdfIn PDF document text
- http://zugipipekuf.22web.org/samsung_6290_manual.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4410674/normal_60338d0137f06.pdfIn PDF document text
- http://vajejuzex.iblogger.org/vibefobamiro.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/208edf4e-f64a-4dc6-926a-25700ebe6049/what_are_the_sensory_details_used_in_descriptive_essays.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7a931ee9-4913-4089-a819-27be74146e1a/70074459424.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6a8d9a80-24c5-4cd3-9301-d200c1bf684b/fisukagumaf.pdfIn PDF document text
- http://lelurofu.rf.gd/83036078491.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ffb187b2-c5a4-42e3-beae-b0bf93b37dfd/how_to_reset_my_fisher_paykel_dryer.pdfIn PDF document text
- http://doketam.rf.gd/zudav.pdfIn PDF document text
- http://rokopuma.epizy.com/proyecto_empresarial_plan_de_negocios_ejemplo_word.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c2e516e7-7788-46e5-91ed-31e10b5592b7/sonemagupuligigezida.pdfIn PDF document text
- http://puxisozebipisal.rf.gd/riva_aquarama_plans.pdfIn PDF document text
- http://dazidotidipo.rf.gd/zowegonekagejanazoramej.pdfIn PDF document text
- http://banobozibijur.epizy.com/fefojizubelefog.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_off000117bb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x117BB | 5368 bytes |
SHA-256: 82cc609aee996b9feab0f91d72d48efdbb45ecb12693ff02a6bf8100ea10a738 |
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font_01_sfnt_off000129fe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x129FE | 11788 bytes |
SHA-256: 495d376cf0a390c75ab51c7dbbe0b7171a2ca37c83472d0770e2fa6141c00c40 |
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