MALICIOUS
226
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. It uses a fake browser/software-install lure. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 7
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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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Browser extension / update installation lure high SE_BROWSER_INSTALL_LUREDocument tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
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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://mezovuduw.ru/strik?utm_term=firefox+addon+to+change+ip+location PDF link annotation
- https://juvetobewuneted.weebly.com/uploads/1/3/3/9/133997509/wutezebivusar_legovi_fotekuvu_firidalisezome.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4412170/normal_60032079aa998.pdfIn PDF document text
- https://fonabanobegax.weebly.com/uploads/1/3/1/6/131636781/zojim.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4494875/normal_6030cde19d70e.pdfIn PDF document text
- https://lebosipob.weebly.com/uploads/1/3/4/0/134040403/be2ecdc33ecd.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4449014/normal_5fe9056e505f4.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4478946/normal_6029cc4ba7a71.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4447888/normal_606c82e469871.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369784/normal_602005c9784ee.pdfIn PDF document text
- https://funopazotasar.weebly.com/uploads/1/3/1/0/131070342/7a2ae394315.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4490725/normal_5ffb14ed7aaf7.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4445733/normal_604b70555e097.pdfIn PDF document text
- https://daseguvemorog.weebly.com/uploads/1/3/4/3/134357845/lixedav.pdfIn PDF document text
- https://wipowoniwosixad.weebly.com/uploads/1/3/0/7/130740259/1981486.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4412174/normal_5febe708d61e2.pdfIn PDF document text
- https://nupadosizekibu.weebly.com/uploads/1/3/4/5/134597568/9798245.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4419828/normal_5feb60e48f0b0.pdfIn PDF document text
- https://regakoxunurur.weebly.com/uploads/1/3/4/3/134380337/56c951.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4485927/normal_601edd1320c00.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/kudowo/ketovuluzivewi.pdfIn PDF document text
- https://s3.amazonaws.com/lupebesu/guided_reading_activity_6-_2_feudalism_answers.pdfIn PDF document text
- https://s3.amazonaws.com/vufupu/axial_scx10_2_portal_axles.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_off0000f211.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF211 | 5264 bytes |
SHA-256: 8bf1f82c6db1d054727a81fdf1dfab9d6d7420265a0931b868ff51f42f2e1431 |
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font_01_sfnt_off000103fe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103FE | 10412 bytes |
SHA-256: 6b30668f13d9eeae6ecac681e0513b8a57415beb86b5710f9dd17ef49f104349 |
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