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 phishing operation. The ML classifier and ClamAV detection strongly indicate maliciousness. While no scripts were explicitly extracted, the presence of numerous external URLs and the PDF_SEO_LINK_FARM heuristic suggest the document's primary purpose is to redirect users to potentially malicious or ad-filled websites.
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://coretry.ru/pbw?utm_term=math+sheets+for+grade+4 PDF link annotation
- https://cdn-cms.f-static.net/uploads/4465924/normal_600e9e7c378c3.pdfIn PDF document text
- https://gulekizusivo.weebly.com/uploads/1/3/5/3/135392766/c40ee608245054d.pdfIn PDF document text
- https://dotofufodil.weebly.com/uploads/1/3/5/3/135313806/7708509.pdfIn PDF document text
- https://ziwagunu.weebly.com/uploads/1/3/4/8/134883986/bukomuxa.pdfIn PDF document text
- https://jazujuwomukoti.weebly.com/uploads/1/3/4/6/134684961/1225544.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368242/normal_601bb2fe00ffe.pdfIn PDF document text
- https://gilelofawabe.weebly.com/uploads/1/3/4/3/134370180/balifokum-sugov-zimapex.pdfIn PDF document text
- https://wofibenozoga.weebly.com/uploads/1/3/5/3/135321696/7522716.pdfIn PDF document text
- https://nojokubovurob.weebly.com/uploads/1/3/1/6/131606526/7149905.pdfIn PDF document text
- https://paniselodo.weebly.com/uploads/1/3/5/9/135969975/zijojajidoxeredijowi.pdfIn PDF document text
- https://tasuzifesuxad.weebly.com/uploads/1/3/7/5/137502252/balapegekaf_jifevojufofu_posuwi_pebovoraze.pdfIn PDF document text
- https://ribifafugulif.weebly.com/uploads/1/3/4/6/134650062/nitawud.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4384045/normal_6066fe64d504c.pdfIn PDF document text
- https://kupefuvewugixo.weebly.com/uploads/1/3/4/8/134849821/gasuludazozi-medogusan.pdfIn PDF document text
- https://mobonojijokatu.weebly.com/uploads/1/3/4/3/134320628/jesitataroviri.pdfIn PDF document text
- https://menedufigejit.weebly.com/uploads/1/3/1/4/131482930/banusepevegokepoziv.pdfIn PDF document text
- https://mulaxenowaw.weebly.com/uploads/1/3/4/8/134862071/witodabog_pinadoxe_zapolijasim.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/2cfb65f1-d960-4632-b44f-fe94021dda23/39292907428.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a6be8aef-89b2-44d8-87bf-3944fb07b0d3/vitizagiwuzozor.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_off0000dbf0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDBF0 | 5232 bytes |
SHA-256: d20612a89e9bc72c4ac49b684426a57700799c35aa51f1732eb7bbfdbddf800b |
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font_01_sfnt_off0000edc9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDC9 | 10472 bytes |
SHA-256: bcd1c93c45ee3befdbea7bf5f91b14f9aae7c1160d6bdb5ef57144404d08461d |
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