MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1059.007 JavaScript
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains embedded JavaScript, a common technique for executing malicious code within documents. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic and numerous external URLs suggest a phishing or spam campaign aiming to drive traffic to potentially malicious sites. ClamAV detection and ML classification strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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 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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://inwebjor.ru/uplcv?utm_term=fb+lite+apk+2020 PDF link annotation
- http://nwatchonline.com/userfiles/file/rabagujazezebudozuwe.pdfIn PDF document text
- http://fizjoactiv.eu/Upload/file/nakivifidutilisiga.pdfIn PDF document text
- http://auburn-properties.com/userfiles/files/sugojalogagogabuferij.pdfIn PDF document text
- http://pi-consulting.ch/download/papomawajekivofapadiwaz.pdfIn PDF document text
- http://pappteam.hu/userfiles/file/61390591353.pdfIn PDF document text
- http://ipea.kr/userData/board/file/77474138201.pdfIn PDF document text
- https://xn--atpta-nfb.lv/images/userfiles/files/68431126743.pdfIn PDF document text
- https://landbar.com/app/webroot/js/ckfinder/core/connector/upload/files/paguluxipoxetorifo.pdfIn PDF document text
- http://carzip.biz/files/uploads/files/pumalorusoxejenememur.pdfIn PDF document text
- http://sanarina.de/ckfinder/userfiles/files/4864616703.pdfIn PDF document text
- https://learn-atdi.com/uploads/files/22112751554.pdfIn PDF document text
- http://joyerialaplaza.com/ckfinder/userfiles/files/93896916145.pdfIn PDF document text
- http://galantemontagnana.it/ckfinder/userfiles/files/nujukevuxilazopazonaf.pdfIn PDF document text
- http://attep.com/home/sandbox/domains/heekee.com.hk/public_html/ckfinder/userfiles/files/rexazujasuvazagon.pdfIn PDF document text
- https://baconbites.com/wp-content/plugins/super-forms/uploads/php/files/rfbp5hjmrrqbcjku98tbouud16/luboje.pdfIn PDF document text
- http://baugeraeteverleih.de/benutzerdateien/xibabitiso.pdfIn PDF document text
- http://ohdiabo.net/images/ckeditor/files/3025007803.pdfIn PDF document text
- https://giaynangchieucao.com/userfiles/file/figolifumuwev.pdfIn PDF document text
- https://copperscraphandlers.com/ckfinder/userfiles/files/pumemawotitinidaxexupob.pdfIn PDF document text
- http://pulsrmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f5b7b1cf41---woforurezofuwesarubur.pdfIn PDF document text
- https://www.whoamiandwhyamihere.com/ckfinder/userfiles/files/filodatogapabukobikazajop.pdfIn PDF document text
- http://letnipohar.cz/upload/file/52805635767.pdfIn PDF document text
- http://top-caster.com/userfiles/file/bijered.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://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_off0000c603.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC603 | 10204 bytes |
SHA-256: 47849160032a22d1a9c8cf30e3781903fa7d6d2a6b2b4f126d1488d591de9cd7 |
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font_01_sfnt_off0000dcce.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDCCE | 16660 bytes |
SHA-256: 38d2e8fc22c752a8c144f61ecc34eea9deaefca30da43262ab39e3e1d9feeb27 |
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font_02_sfnt_off000107dc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107DC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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