MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was identified as malicious by multiple heuristics and a machine learning classifier, specifically flagged as a phishing trojan. It contains a large number of external links, many pointing to disposable hosting, suggesting a link farm or redirection scheme. The primary external URL, 'https://leonvi.ru/strik?utm_term=quais+os+melhores+planos+de+previdencia+privada', indicates a lure related to private pension plans, likely intended to deceive users into clicking through to malicious or ad-heavy sites.
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://leonvi.ru/strik?utm_term=quais+os+melhores+planos+de+previdencia+privada PDF link annotation
- https://cdn-cms.f-static.net/uploads/4476938/normal_605a632170a95.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369160/normal_600fb0758effd.pdfIn PDF document text
- https://rituzanasalu.weebly.com/uploads/1/3/4/7/134718781/9466143.pdfIn PDF document text
- https://buwuxebukiz.weebly.com/uploads/1/3/1/6/131606134/zekesodekegegi_bunivikuwekamup_sadipuf_fagufovevujok.pdfIn PDF document text
- https://viluwefusufif.weebly.com/uploads/1/3/4/6/134675974/6945897.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4491169/normal_5fd8660eb2fd2.pdfIn PDF document text
- https://xonuvalax.weebly.com/uploads/1/3/1/4/131437330/e897c436d59d.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4497695/normal_5ffa3d8ca55ff.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4444378/normal_5fec0146421c1.pdfIn PDF document text
- https://static.s123-cdn-static-d.com/uploads/4386591/normal_60b0ac76261d4.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4445745/normal_601972bc3ab39.pdfIn PDF document text
- https://pepadamive.weebly.com/uploads/1/3/4/4/134468065/1392603.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4420030/normal_6059efc772350.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4386086/normal_60120c99520ea.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4367300/normal_6032f5bb77877.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://uploads.strikinglycdn.com/files/28161e65-d4f6-431e-b09d-34f11376885c/what_is_a_director_of_customer_service_at_walmart.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/20c14426-3a9f-4b22-a90b-febccc35e3ad/wing_chun_near_me.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a4462aab-8d70-475a-a008-f91c56a64f4b/foviweduwibowevawozokapi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9bd98f64-132c-40e0-8bb4-d93371e73197/warcraft_3_frozen_throne.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00010732.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10732 | 5236 bytes |
SHA-256: b6c5e65d4155b54926e561f3ad3053f1c9c2212701c09c9050b18b2c56e92f52 |
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font_01_sfnt_off000118cb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x118CB | 15396 bytes |
SHA-256: ac2d8d82d20ce36bd7fc3e84fee915870b20629cb1dd3944c375ef3072dbd2a3 |
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font_02_sfnt_off000145f4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x145F4 | 4324 bytes |
SHA-256: 1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e |
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