MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of external links, many pointing to disposable domains, as indicated by the PDF_SEO_LINK_FARM and PDF_SEO_DISPOSABLE_LINK_FARM heuristics. The ML classifier and ClamAV also flagged this as malicious, with ClamAV identifying it as Pdf.Phishing.Trojan. The primary URL, https://mezovuduw.ru/wix?keyword=runescape+alchemy+guide, suggests a lure related to gaming, likely to trick users into clicking through to malicious content.
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://mezovuduw.ru/wix?keyword=runescape+alchemy+guide PDF link annotation
- https://cdn-cms.f-static.net/uploads/4403413/normal_5fdb8feaef680.pdfIn PDF document text
- https://bajomunimiru.weebly.com/uploads/1/3/1/0/131070213/pejor-jaxoluwijetim-sugapuretaj.pdfIn PDF document text
- http://static-start.top/past_passive_exercises7ah3s.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369308/normal_6011d1ee0ebba.pdfIn PDF document text
- https://fidojosamesevuf.weebly.com/uploads/1/3/4/5/134594598/2588558.pdfIn PDF document text
- https://cdn.sqhk.co/rewakevutel/JgdZkif/vintage_japanese_pachinko_machine.pdfIn PDF document text
- http://lnstagramverifiedbadge-media.com/874446723091kb4c.pdfIn PDF document text
- http://inertbhjbj.ru/1891837565q6uer.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4488314/normal_5ff25640bda37.pdfIn PDF document text
- http://ketotreno.buzz/93616798891by96q.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4410414/normal_6028b6f472623.pdfIn PDF document text
- https://menufepu.weebly.com/uploads/1/3/1/1/131163725/8471121.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4459029/normal_602156b25ecb9.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4459788/normal_602b3320efd24.pdfIn PDF document text
- https://lozatovetifeg.weebly.com/uploads/1/3/3/9/133999134/sopujadipek.pdfIn PDF document text
- https://wotawodakel.weebly.com/uploads/1/3/5/3/135316359/salunelosodozujuvo.pdfIn PDF document text
- https://magagitu.weebly.com/uploads/1/3/5/9/135959352/9289472.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4380858/normal_60463e90cadac.pdfIn PDF document text
- https://cdn.sqhk.co/lozosasuxe/phfMjgg/69994714791.pdfIn PDF document text
- https://kezozebajex.weebly.com/uploads/1/3/4/2/134265808/f14c97f9056a.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_off000170e1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x170E1 | 5500 bytes |
SHA-256: 3b152bc282cff5ddca0545440731763067bbdfc7f3d615da4aef3b054e4d5f93 |
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font_01_sfnt_off00018383.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18383 | 10668 bytes |
SHA-256: 2dcb51b3ead9c2d8e066310cc351847c71ca7895b5b7622fa7f6be5da7443902 |
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