MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://pistant.ru/pbw?utm_term=class+12+chemistry+ncert+book+pdf+download+byju%2527s PDF link annotation
- https://vemewibikem.weebly.com/uploads/1/3/0/7/130776349/konawotagejilugixam.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4366350/normal_5ff5a1e777d07.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366987/normal_60477b0feb4f6.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4369163/normal_6008dd04e4533.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4390373/normal_5fe04fa12fee9.pdfIn PDF document text
- https://lezexoxutipeb.weebly.com/uploads/1/3/4/4/134462335/35ebb34480.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4413110/normal_603a7c8a0f845.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4385435/normal_602cfdf1a9983.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4493916/normal_603e44476460d.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4386094/normal_6000c2ca5de45.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366031/normal_6054628b869dd.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4458150/normal_60ba4a677af01.pdfIn PDF document text
- https://badikixokatapi.weebly.com/uploads/1/3/0/7/130739740/xazijudomawo.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4485152/normal_603335f288410.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4370317/normal_604aff069a22c.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4468823/normal_60468949c86c1.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4481408/normal_6034c3a0b9ba9.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4385412/normal_605cb1a23bbe2.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368770/normal_6064cc76d6560.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4451039/normal_5ff49a57d1848.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4457577/normal_5fdea1483b001.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://sozevupegufi.pbworks.com/f/84782965128.pdfIn PDF document text
- http://gipomebepate.pbworks.com/f/nojidejexogosuxax.pdfIn PDF document text
- http://vafobotigef.pbworks.com/w/file/fetch/144527418/what_day_does_walmart_restock.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_off0000db6e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB6E | 5992 bytes |
SHA-256: 03708ea601b96dcb0a478cd4df130c46a2b9128f2680b9d32cc27879db9227b0 |
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font_01_sfnt_off0000efcf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFCF | 10580 bytes |
SHA-256: 90bb9c236dab329355ef75467d6898d8507fafb535734410e299ed8822f8fdae |
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