MALICIOUS
226
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
T1059.007 JavaScript
This PDF document exhibits characteristics of a phishing lure, indicated by the 'SE_BROWSER_INSTALL_LURE' heuristic and the presence of numerous external links, many hosted on disposable domains. The document's content, though heavily obfuscated, suggests a social engineering attempt to trick users into installing malicious browser extensions or updates. The ClamAV detection and ML classifier further support its malicious nature, likely serving as a dropper for further malicious activity.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 7
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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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Browser extension / update installation lure high SE_BROWSER_INSTALL_LUREDocument tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
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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://maypoin.ru/wb?keyword=video%20converter%20mp4%20to%203gp%20android PDF link annotation
- https://tajadituzutop.weebly.com/uploads/1/3/1/4/131409135/4c97c76208.pdfIn PDF document text
- https://ledapenilodaro.weebly.com/uploads/1/3/1/0/131070651/vajer-fikodev.pdfIn PDF document text
- http://itali-big.space/66034696256osyvx.pdfIn PDF document text
- https://gawakugoful.weebly.com/uploads/1/3/4/7/134757428/sopowonolodur_letabimisafumat_jamakedu.pdfIn PDF document text
- https://mugokirupela.weebly.com/uploads/1/3/2/6/132681863/5831766.pdfIn PDF document text
- http://legendnat.space/hipnosis_ericksoniana_tecnicasuqy91.pdfIn PDF document text
- https://retezuve.weebly.com/uploads/1/3/2/7/132741149/bedisakunudesep_najuk_gujogudek_bokuv.pdfIn PDF document text
- https://sizelelam.weebly.com/uploads/1/3/4/8/134867910/gusidujimurivo.pdfIn PDF document text
- https://lepefolavexar.weebly.com/uploads/1/3/0/8/130874674/lurakila_gojibanaxowamof_jidewiv_fapopefupo.pdfIn PDF document text
- http://idealica-ufficiale.site/wijawesikobukaxedufancx5g.pdfIn PDF document text
- https://borojixupoluba.weebly.com/uploads/1/3/5/3/135316148/fugedux-xewamunusoba.pdfIn PDF document text
- https://lerelapukuvi.weebly.com/uploads/1/3/0/7/130740054/topimivunijiwuwolagi.pdfIn PDF document text
- https://sefewazugep.weebly.com/uploads/1/3/5/2/135293251/b948b3b6b8e342d.pdfIn PDF document text
- http://lnstagramsupportinfo.com/video_calling_unavailable_note_8xnwsq.pdfIn PDF document text
- https://narobukedezupe.weebly.com/uploads/1/3/0/7/130738621/benokifiloderaxero.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/tosego/709586623.pdfIn PDF document text
- https://s3.amazonaws.com/tokudapele/pogil_kinetic_molecular_theory_answer_key.pdfIn PDF document text
- https://s3.amazonaws.com/juvosi/pedometer_mobile_software_free.pdfIn PDF document text
- https://s3.amazonaws.com/lulelepese/endocrine_society_clinical_practice_guidelines_hypoglycemia.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_off0000da19.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA19 | 5460 bytes |
SHA-256: bc56d17b6cdf026f72a20699b51b8db5f4b26fd8ad0d2fd71d852b11e86988e0 |
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font_01_sfnt_off0000ecab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECAB | 10636 bytes |
SHA-256: 3ac46496e336ff620a0c5b81bc917d068642fa1b3bd3c7f5a012a7bf1c7efc6e |
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