MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. It contains a significant number of external links, with one pointing to 'botokaw.ru', suggesting a phishing or link farm attack. The presence of embedded URLs and the overall structure indicate an attempt to lure users to external, potentially malicious, content.
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://botokaw.ru/strik?utm_term=soluciones+libro+matematicas+bru%25C3%25B1o+2+bachillerato PDF link annotation
- https://cdn-cms.f-static.net/uploads/4415543/normal_6017dbaa3f0a7.pdfIn PDF document text
- https://xipunozelizu.weebly.com/uploads/1/3/1/3/131382486/7386510.pdfIn PDF document text
- https://rulodewarozuw.weebly.com/uploads/1/3/4/6/134678260/roxawotuduz.pdfIn PDF document text
- https://zojunakalej.weebly.com/uploads/1/3/2/6/132682915/73e41731dc3.pdfIn PDF document text
- https://midigoxu.weebly.com/uploads/1/3/4/0/134000126/621618ecebdca.pdfIn PDF document text
- https://wojawafelufofux.weebly.com/uploads/1/3/0/8/130813934/0c203.pdfIn PDF document text
- https://varukixenusenat.weebly.com/uploads/1/3/4/7/134700479/0ef9567844a.pdfIn PDF document text
- https://kipusisuvosa.weebly.com/uploads/1/3/1/4/131406826/1d2a85bd7.pdfIn PDF document text
- https://zofijakifixanow.weebly.com/uploads/1/3/4/6/134677560/3749634.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4414176/normal_6052c52a9d36d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4478670/normal_605f8908cafb2.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4411702/normal_601b454e0194a.pdfIn PDF document text
- https://turazuxutanuv.weebly.com/uploads/1/3/1/6/131606798/30d33.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4462065/normal_603e3d6e4074c.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4485704/normal_6039a5195ba89.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4449629/normal_5feaff18ecf62.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4467325/normal_6069275551c41.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/f0171ce6-5427-4bac-9b62-577cdf0de4af/97475607684.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/39d5c90e-32e5-4fbb-8cdc-41c2c84cc5b1/bixagolozolan.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a95170cb-f75a-4f7f-9665-0b987ca2c7b8/fezepobewono.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0d371e5b-cee8-496e-9747-e6052aa577e8/50940997467.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/624b5d09-e83b-4d11-853d-66fdc6dccfbe/8440659681.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3795ef16-b95d-4077-8bc8-73b5cfaec3e6/zomunuxonesabig.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_off00010a2d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A2D | 3072 bytes |
SHA-256: b24804b33998e32f6082b1888a3cbbdbbdb642368f35e3e05a539924ff6b1b15 |
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font_01_sfnt_off00011521.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11521 | 5628 bytes |
SHA-256: b6b3f5f44988193d3fe98e2edd74a5ae1ead082c40a7dfc467154a32322e3003 |
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font_02_sfnt_off000127cd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x127CD | 13740 bytes |
SHA-256: 0d00faddeecf7a656ef241bc11fab6ecd3b7f6658f8b1bae2ce42520d21caa6f |
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