MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains a large number of external links, many hosted on disposable domains, indicating a link farm designed to redirect users. The presence of a ClamAV detection for 'Pdf.Phishing.Trojan' and a high ML classifier score strongly suggest malicious intent. The primary function appears to be directing users to potentially malicious or phishing websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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://vilenefex.ru/strik?utm_term=human+body+systems+free+worksheets PDF link annotation
- https://static.s123-cdn-static.com/uploads/4419430/normal_5ff305aa5b36c.pdfIn PDF document text
- https://ziwegakesamud.weebly.com/uploads/1/3/4/4/134468237/zajipig.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368745/normal_603c035255eba.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4407571/normal_60540475f0b4b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4465538/normal_6032fa18b0efc.pdfIn PDF document text
- https://megigoxifiwovom.weebly.com/uploads/1/3/0/7/130740625/dekusodatekupowa.pdfIn PDF document text
- https://zedetebi.weebly.com/uploads/1/3/1/0/131070456/33e0d27ea1ff.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4461751/normal_605258c391c81.pdfIn PDF document text
- https://ropexosuwewi.weebly.com/uploads/1/3/1/3/131380205/48db0349f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4380525/normal_605b9005a3ddb.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368477/normal_6054c2f08cd29.pdfIn PDF document text
- https://gamiwejejorar.weebly.com/uploads/1/3/4/4/134498461/6140719.pdfIn PDF document text
- https://tukibasitotaz.weebly.com/uploads/1/3/4/4/134445351/3e695c2.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4401691/normal_602ec784a1036.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4467298/normal_6065d41612cc3.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/6c770760-5315-4087-9a31-28af5cccafa3/panejebekatimafofikida.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3d535f2a-915a-482b-9f78-0b439fdb32ce/samubanobapilanulevijaduj.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ffe5a09d-3ec1-4958-9b0c-0d6571961eb4/the_game_changers_cast_netflix.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ebdd6263-fa5a-4652-8038-795287dd6815/warcraft_3_reign_of_chaos_patch_1.26_cz.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/44cc2a4a-84d7-4cbc-892b-b601cc98c269/siemens_hydroranger_200_manuel.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/07e79801-b122-4b46-96d2-10c434547aae/ielts_academic_writing_task_1_samples_rachel_mitchell.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/21240af0-9b82-48b0-b57b-b73a35109405/whirlpool_front_load_washer_drain_pump_filter_location.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_off0000f08f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF08F | 5472 bytes |
SHA-256: f25b3d47bd75416ddb6e8295dd363758e9a9565860da98d5d6027a5e400dc285 |
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font_01_sfnt_off0001030f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1030F | 10248 bytes |
SHA-256: 09ca5a2c8aca9259634577281ffc1333d695d45818e7f50d475526fd6fb6c739 |
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