MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The ML classifier and ClamAV detection strongly indicate malicious intent. The PDF contains a large number of embedded URLs, many pointing to disposable domains, suggesting a link farm designed to distribute malicious content or phish users. While no scripts were explicitly extracted, the PDF structure and numerous external links are indicative of a phishing or malware delivery mechanism.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
Heuristics 5
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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 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://xajibur.ru/award?keyword=aula+internacional+1+grammar+and+vocabulary+companion+pdf PDF link annotation
- http://gadatoreneperil.mygamesonline.org/kizofisidugifijavuto.pdfIn PDF document text
- http://xedeporib.medianewsonline.com/paleo_diet_plan.pdfIn PDF document text
- http://vakexuk.22web.org/phonetic_transcription_exercises_british_english.pdfIn PDF document text
- https://cdn.sqhk.co/zelosoza/SWPOjhU/43892804631.pdfIn PDF document text
- https://cdn.sqhk.co/nuzifixe/CieJ2xl/62084394065.pdfIn PDF document text
- http://sikuwolawotoja.22web.org/nalogeb.pdfIn PDF document text
- http://komaxinatobofe.medianewsonline.com/antisocial_behaviour_scale.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4481662/normal_601e1f324cec9.pdfIn PDF document text
- https://cdn.sqhk.co/nagebagem/jbJHAge/zifusag.pdfIn PDF document text
- http://davupopebuwiser.sportsontheweb.net/jim_wendler_5-3-1_workout_spreadsheet.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4390643/normal_6024498724530.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- http://gifidabula.atwebpages.com/juboxorel.pdfIn PDF document text
- http://dakafatuvuguviz.atwebpages.com/somabowodulikimer.pdfIn PDF document text
- http://fetufebutegiv.rf.gd/how_many_calories_are_in_a_bojangles_chicken_biscuit.pdfIn PDF document text
- http://kutezowifemiwe.epizy.com/google_analytics_for_beginners_exam_answers.pdfIn PDF document text
- https://f0198b83-f3fe-41b4-8315-bacd7eabb238.filesusr.com/ugd/2b3f46_ab4c787e1f6a4b42b642d2efcb78e6ec.pdf?index=trueIn PDF document text
- https://45180a89-8b92-4d54-a4c6-cdf0ad6af3c7.filesusr.com/ugd/2b98a3_b8434c0644114f5bb7ff3257ed10154a.pdf?index=trueIn PDF document text
- http://zowofiz.myartsonline.com/15554318198.pdfIn PDF document text
- https://737c154f-ca75-4484-807d-9d5c19d76377.filesusr.com/ugd/7e84b7_595744ff4f654a03b54b424c556f58cd.pdf?index=trueIn PDF document text
- https://d03ec42c-8b93-48d3-a61e-9aee396c0db4.filesusr.com/ugd/1e557c_8399b3ea0c314f418b2af0018759df0a.pdf?index=trueIn PDF document text
- https://feedbc21-cb93-402c-9ae2-3476589645d2.filesusr.com/ugd/f3ecbe_4f160315c20e42599fda3ee2fc38588c.pdf?index=trueIn PDF document text
- http://tunajuxogililog.epizy.com/informante_minero_convocatoria.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_off0000f3a0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3A0 | 5524 bytes |
SHA-256: 5ad2900bc9cae3637100405a7a97e7d3c344c57e7c16d1d6809d2f54df5dc5a8 |
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font_01_sfnt_off00010658.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10658 | 10792 bytes |
SHA-256: 7c403d3a9d8e17df1663d072529c3e0da8d7751ddffafb34df2c2adc1a44af94 |
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font_02_sfnt_off00012b16.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B16 | 4324 bytes |
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
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