MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains a large number of external links, many pointing to disposable hosting, and is flagged as a link farm designed for SEO manipulation. The primary URL, 'https://mezovuduw.ru/award?keyword=bca+1st+year+books+pdf+free+download', suggests a lure for free book downloads. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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://mezovuduw.ru/award?keyword=bca+1st+year+books+pdf+free+download PDF link annotation
- https://cdn-cms.f-static.net/uploads/4411250/normal_60506c7eb7280.pdfIn PDF document text
- https://widajuzuno.weebly.com/uploads/1/3/1/6/131637349/3265628.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4454673/normal_5fcb3c2736bae.pdfIn PDF document text
- https://gatilavim.weebly.com/uploads/1/3/4/3/134391542/6406cdb38dd3162.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4403960/normal_6029d5d3f2e31.pdfIn PDF document text
- http://sukotis.iblogger.org/borivawuwonexi.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4393020/normal_605dfc24ab27b.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4461791/normal_60005e100c7c8.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4447465/normal_5ff8f71c57318.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4501028/normal_60261f63a65d2.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4424013/normal_5fe7ec34b30df.pdfIn PDF document text
- https://zejuvuvegodefi.weebly.com/uploads/1/3/1/4/131453892/vusujuvuzuwexumaw.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4380695/normal_6034dec0a8481.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4444852/normal_5ff1bb178dad4.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4471479/normal_5fd63fb41706f.pdfIn PDF document text
- https://safasisi.weebly.com/uploads/1/3/4/4/134472516/nezeguvomalegu.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://ragoposetetadu.epizy.com/hydrology_study_report.pdfIn PDF document text
- http://xizokokov.epizy.com/practical_driving_test_qld_forms.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/298b8c1c-007d-4dff-81bc-ea00a645ad05/ti_nspire_cx_cas_4.5_0_download.pdfIn PDF document text
- http://sidorigix.rf.gd/crossfit_program_for_weight_loss.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/86a97bfd-41b9-4397-8ed7-75f3e9f5ddd2/piruvapaxatupuk.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8d155bd4-91fa-46dc-96c4-00babbb53931/do_nucleotides_contain_nitrogen.pdfIn PDF document text
- http://zapofekeba.rf.gd/13103650599.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f9141717-2175-4b77-9b19-a8d5c7393abf/94219741724.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2f2af2fe-4ad9-4de8-968b-c9d0a5444e14/degusidudew.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_off0000fcb1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFCB1 | 5648 bytes |
SHA-256: 31923ceff7a5a2de66faee235871caaf81d8b67f3e856f13c0bcce1fefbc94d9 |
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font_01_sfnt_off00011014.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11014 | 10472 bytes |
SHA-256: bd4ef0ce28ef89a100f466bafe4c5aa9c8834dabd93f260d0a6ad2f4579db899 |
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