MALICIOUS
186
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. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9989
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://resalured.ru/strik?utm_term=100+ejemplos+de+despejes+de+formulas+de+fisica PDF link annotation
- https://cdn-cms.f-static.net/uploads/4366376/normal_604620cb393e5.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4465400/normal_5fce8e081aaf8.pdfIn PDF document text
- https://dudabiwik.weebly.com/uploads/1/3/4/3/134354119/9387773.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4409604/normal_603c87555f8a2.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4453327/normal_5fdf2b0946d17.pdfIn PDF document text
- https://jukakolirofo.weebly.com/uploads/1/3/1/4/131408741/xixofu.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4388820/normal_5fed7ef5d23fd.pdfIn PDF document text
- https://rudorigafeba.weebly.com/uploads/1/3/4/8/134899211/lixabigedoko.pdfIn PDF document text
- https://zanebereraba.weebly.com/uploads/1/3/4/4/134472179/2426785c.pdfIn PDF document text
- https://saxisitidus.weebly.com/uploads/1/3/4/7/134735843/101c469678d.pdfIn PDF document text
- https://tomasuniraruz.weebly.com/uploads/1/3/5/3/135392941/8059046.pdfIn PDF document text
- https://nepuvojikonutoz.weebly.com/uploads/1/3/4/6/134677469/115c62281b.pdfIn PDF document text
- https://gukozorupo.weebly.com/uploads/1/3/1/4/131411088/e5fbe9ef524c.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4474448/normal_5fe733fdf3ef7.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4385030/normal_5fd7ecf271ef1.pdfIn PDF document text
- https://mobinefoju.weebly.com/uploads/1/3/1/3/131398425/4487098.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4379359/normal_603fc5c7a6a51.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4404512/normal_60383ff8c5b06.pdfIn PDF document text
- https://lepimezuraz.weebly.com/uploads/1/3/4/5/134599896/06f865.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4492918/normal_6002b1a04b4ff.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4375199/normal_5fd9f2b85b943.pdfIn PDF document text
- https://jotozorofelafik.weebly.com/uploads/1/3/1/4/131405965/divojudukegede-zoleg.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4482228/normal_604168458ec9d.pdfIn PDF document text
- https://bepixumute.weebly.com/uploads/1/3/5/3/135302933/8f707e660.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e92f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE92F | 5476 bytes |
SHA-256: 2a36ddc6c81cb1ff0196d9db6b1226a4e9ff521fa8e4b402027f6fa393aebcdc |
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font_01_sfnt_off0000fbba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBBA | 12888 bytes |
SHA-256: fc71fc254223920891851255c060cf2dbec093c5d8be42347b92c2f44bd67af7 |
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font_02_sfnt_off000126a3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x126A3 | 16164 bytes |
SHA-256: 4b52fd5da643d9c08cc0a86f773b2f024e3274f3f861dfcac100db1ef433cf06 |
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