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 hosted on disposable domains, suggesting a link farm or SEO spam operation. The ClamAV detection and ML classifier strongly indicate maliciousness, specifically identified as Pdf.Phishing.Trojan. The embedded URLs, such as 'https://botokaw.ru/123?utm_term=cambridge+igcse+chemistry+textbook+answers+fourth+edition', are likely used to redirect users to malicious sites or phishing pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://botokaw.ru/123?utm_term=cambridge+igcse+chemistry+textbook+answers+fourth+edition PDF link annotation
- https://cdn-cms.f-static.net/uploads/4365613/normal_60584cc8be937.pdfIn PDF document text
- https://modatubegawaso.weebly.com/uploads/1/3/4/4/134491319/zimubopo_muwumodupe.pdfIn PDF document text
- https://pupogonixim.weebly.com/uploads/1/3/4/3/134318621/dizewe.pdfIn PDF document text
- https://jisuxewaxem.weebly.com/uploads/1/3/1/8/131857679/siwefubor-nisex.pdfIn PDF document text
- https://sawuwirepugasup.weebly.com/uploads/1/3/0/9/130969548/17642c.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4470545/normal_5ff2f8dd567d4.pdfIn PDF document text
- https://lupasunalijifaw.weebly.com/uploads/1/3/4/3/134385939/wutesabamoxikut_zizetigewari_lalexaz_negoropupapeni.pdfIn PDF document text
- https://monivewuvafa.weebly.com/uploads/1/3/4/0/134096064/8447270.pdfIn PDF document text
- https://dumiwexadanona.weebly.com/uploads/1/3/4/5/134522913/sovured.pdfIn PDF document text
- https://penuwepilaxol.weebly.com/uploads/1/3/4/7/134756509/e1e37c2c84c.pdfIn PDF document text
- https://xusukimijep.weebly.com/uploads/1/3/2/6/132681495/nexovesanugi.pdfIn PDF document text
- https://jafowunasakubiv.weebly.com/uploads/1/3/1/4/131437393/9426280.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4487622/normal_600534543c381.pdfIn PDF document text
- https://zuxadozi.weebly.com/uploads/1/3/4/6/134662888/febowapemo.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4378836/normal_60379ad328473.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/d4855e94-c5c8-4df3-9fb7-3d830724e27b/how_to_get_pale_skin_like_kpop_idols.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/311f01dd-4df4-4eec-8373-42f52c71185e/rhyming_words_book.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ef043e19-c656-4dbf-9c8e-de1929a3e7a3/how_to_claim_back_rent_arrears.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/753a1e1b-4f57-4c9d-a24e-fa2fc1d18b93/yamaha_rx-v379_speaker_setup.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_off0000d7e4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7E4 | 5772 bytes |
SHA-256: 208147e894a2d3195e3081dc18d911837f968e225ae69a6c317f26bf155a4fbb |
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font_01_sfnt_off0000eb76.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB76 | 10808 bytes |
SHA-256: afc3b81c05a2f0b47eb795c824720b6efc33efd992fabb1a9fd8f2aff5c32fb4 |
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