MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1105 Ingress Tool Transfer
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains a large number of external links, suggesting it functions as a link farm, potentially for SEO manipulation or to distribute further malicious content. The presence of numerous PDF links on disposable hosting further supports a malicious purpose.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://catamma.ru/pbw?utm_term=newton%2527s+law+of+motion+questions+and+answers+pdf PDF link annotation
- https://cdn-cms.f-static.net/uploads/4489586/normal_603fc379dd004.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4487625/normal_60bb263e25331.pdfIn PDF document text
- https://mumimobubaw.weebly.com/uploads/1/3/4/6/134640569/dusarawubuwo_vixuvuniveg.pdfIn PDF document text
- https://bemagage.weebly.com/uploads/1/3/4/5/134525224/57d9227918ec2.pdfIn PDF document text
- https://vekupaju.weebly.com/uploads/1/3/4/4/134479754/111f191867d.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4460447/normal_5fcf118e5e62b.pdfIn PDF document text
- https://kisejugizojo.weebly.com/uploads/1/3/4/6/134656745/dikiwijunekos.pdfIn PDF document text
- https://zogabimokesowu.weebly.com/uploads/1/3/6/0/136082780/senomifudatunujozizo.pdfIn PDF document text
- https://dixawofira.weebly.com/uploads/1/3/5/3/135303501/gejifexutimenuxakuso.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4403404/normal_601a884ce1e90.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4394066/normal_602b41c35d661.pdfIn PDF document text
- https://pigogiril.weebly.com/uploads/1/3/4/3/134397820/rosedosoxoxo-putegopos-lesajij.pdfIn PDF document text
- https://polaposegit.weebly.com/uploads/1/3/4/5/134591324/3a6c421b46.pdfIn PDF document text
- https://zojolutavalo.weebly.com/uploads/1/3/5/3/135345328/8c3ae9c138.pdfIn PDF document text
- https://ruzovaberup.weebly.com/uploads/1/3/4/6/134651658/893041d9f05e0.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4402000/normal_5fefea5c9f720.pdfIn PDF document text
- https://fojejebub.weebly.com/uploads/1/3/4/2/134265807/rerefadegij-mupomosogo.pdfIn PDF document text
- https://static.s123-cdn-static-d.com/uploads/4367268/normal_60b2fc4dd1b54.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4473971/normal_5fcfb3909e41a.pdfIn PDF document text
- https://kibutabez.weebly.com/uploads/1/3/4/4/134438896/zivijetapixa.pdfIn PDF document text
- https://girosunemakafe.weebly.com/uploads/1/3/0/7/130739351/xotuzoz.pdfIn PDF document text
- https://rasiguxi.weebly.com/uploads/1/3/5/3/135314707/mitorujewudiv.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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_off0000f635.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF635 | 5408 bytes |
SHA-256: 3f91abf1e0c1c4ff1698f7395c69098608a3b0bb745515b5866374eb89cf872a |
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font_01_sfnt_off0001089e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1089E | 10628 bytes |
SHA-256: 38d81d0ac2f98b630e74f7efc77f1ef6cc4b4c81e58e06ee6bff4a18c9eacacb |
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