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 link farm and a ML classifier. It contains numerous external links, with one pointing to 'dugedepap.ru', suggesting a phishing or malware distribution attempt. The document body is heavily obfuscated, but the presence of external links and the ClamAV detection indicate malicious intent, likely to redirect users to a compromised site.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://dugedepap.ru/strik?utm_term=child+development+and+pedagogy+book+pdf+in+english PDF link annotation
- https://static.s123-cdn-static.com/uploads/4476930/normal_5fcaac805ebb1.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4454056/normal_605571f350cb7.pdfIn PDF document text
- https://feranipadolop.weebly.com/uploads/1/3/2/7/132740228/gopuretenovoroxuv.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4367640/normal_605f014ca96a8.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4462694/normal_601d95f573acc.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4373770/normal_5fed953120718.pdfIn PDF document text
- https://girowefado.weebly.com/uploads/1/3/5/3/135349553/9184741.pdfIn PDF document text
- https://penopamez.weebly.com/uploads/1/3/4/4/134496097/2411667.pdfIn PDF document text
- https://popajilosofov.weebly.com/uploads/1/3/0/7/130776408/gexufirupogisixe.pdfIn PDF document text
- https://dikefurilixi.weebly.com/uploads/1/3/4/6/134684794/xumetalekimor-bivapatit.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4443815/normal_600e9761464c6.pdfIn PDF document text
- https://nusewumu.weebly.com/uploads/1/3/2/7/132740482/c1e7a5875c.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366630/normal_606885a3ba479.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://fedorahosted.org/lohitIn PDF document text
- https://uploads.strikinglycdn.com/files/2c898b4e-d3a4-4da5-b953-14ea4f01885c/pukiduzezexages.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8940fea5-7330-4add-9796-bdb6e927ed10/la_republica_de_platon_libro_10.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/634237db-9bf9-4a4d-b7e4-209212f9bffd/70452329232.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/84bb4b30-7b51-451c-9aaa-55cfbc75689f/vepebus.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/26853840-17c6-4072-9225-6b62078934ab/marathon_power_distribution_block.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e1a8b064-f79c-4a0e-954a-8f3abc65f1e0/nigaro.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d2eb8d9d-c856-48e6-baff-cc8bba2042fc/32642614799.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_off0000f9b7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9B7 | 5632 bytes |
SHA-256: dd6c1981ad3d1e2e0d628f7f08f5657614e5360d53dd062edd48492e3e2ee6f5 |
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font_01_sfnt_off00010cc6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10CC6 | 10972 bytes |
SHA-256: c750c86d795db1037c42826630e231b0e1c5d90ea51a165c7d7ea2cf8b2bf10c |
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font_02_sfnt_off00013278.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13278 | 12388 bytes |
SHA-256: aeadb774ff744440d756123bd3485ac7f1e24f3fd89ed4d9e4c977b5751e9544 |
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