MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a significant number of external links, many pointing to disposable domains, indicating a link farm or phishing attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. The presence of embedded URLs and the heuristic 'PDF_SEO_LINK_FARM' point towards an attempt to manipulate search engine results or direct users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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://midufefew.ru/strik?utm_term=learn+python+free+class PDF link annotation
- https://cdn-cms.f-static.net/uploads/4369304/normal_60186d9766590.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4470017/normal_6000d416959f8.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4367921/normal_605bf1ef7137d.pdfIn PDF document text
- https://tezagezowuvese.weebly.com/uploads/1/3/0/7/130775310/1008247.pdfIn PDF document text
- https://nugukijozagesek.weebly.com/uploads/1/3/0/7/130739433/1715492.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4457592/normal_6031313c50b1d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4445557/normal_604751810a217.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4445754/normal_604500e575275.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4412606/normal_60393a15a65c6.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4367268/normal_5fe81c6d480c5.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4444630/normal_606e1d5146148.pdfIn PDF document text
- https://naforuzutexas.weebly.com/uploads/1/3/1/4/131438024/5f2486d46efa.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4411708/normal_5fd38524b8876.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4404529/normal_6050fb8f6f0eb.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4407994/normal_6036f7f665330.pdfIn PDF document text
- https://wosutazewaxutu.weebly.com/uploads/1/3/0/7/130775331/478d45d8f9f.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4481056/normal_5ff0f3984375e.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4366628/normal_60036be73f2ed.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/e0f4cce7-923d-4a9a-a256-0ce963f4a698/govukepagotamox.pdfIn PDF document text
- https://s3.amazonaws.com/pirosisob/kuxenilijeg.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f1fa668e-f572-4d52-bd47-c539856664e4/vigipedapenixala.pdfIn PDF document text
- https://s3.amazonaws.com/vobuturinivi/79175000348.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1daccb6f-ac3e-4573-9c0e-a6710bac246f/mademigumimelifarawikadin.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_off0001039c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1039C | 5144 bytes |
SHA-256: 804d11128f635dce7e2ae8ee77a6eb21f357755760facae5daacf5795e91cf1f |
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font_01_sfnt_off0001152b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1152B | 11352 bytes |
SHA-256: a31b156592f0c4111db124b49ed5fe321774f0cfa2c1f672a57b0fbec90b872b |
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