MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1059.007 JavaScript
T1566.001 Spearphishing Attachment
This PDF contains embedded JavaScript, which is a common technique for delivering malicious payloads or redirecting users to phishing sites. The numerous external URIs, including those hosted on compromised CMS uploads and disposable domains, indicate a link farm designed to obscure the ultimate destination. The ClamAV detection and ML classifier strongly support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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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://queure.ru/uplcv?utm_term=what+to+say+when+the+interviewer+asks+about+your+weaknesses PDF link annotation
- http://tai-group.com/upload/files/musobivoxesaru.pdfIn PDF document text
- http://ajtoablakcentrum.com/_user/file/1490398146.pdfIn PDF document text
- http://sklepjola.pl/userfiles/file/74072591866.pdfIn PDF document text
- http://plaschke-partner.com/uploaded/file/93637364851.pdfIn PDF document text
- http://k-sta.kr/FileData/ckfinder/files/20210924_6D5A9815A65E39FC.pdfIn PDF document text
- http://groupkaishan.com/d/files/96843700073.pdfIn PDF document text
- http://etepi.pt/js/ckfinder/userfiles/files/59461788272.pdfIn PDF document text
- http://scherzerpc.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/tozefugab.pdfIn PDF document text
- http://www.danvillern.com/wp-content/plugins/super-forms/uploads/php/files/301bb2b514bc35fd4c85add9286534f5/zuravimitapelivu.pdfIn PDF document text
- https://www.agencesramos.com/ckfinder/userfiles/files/larerutut.pdfIn PDF document text
- http://recruiters-zone.com/wp-content/plugins/formcraft/file-upload/server/content/files/161369656c645e---33528362619.pdfIn PDF document text
- https://menokatea.in/ckfinder/userfiles/files/muxugazebegod.pdfIn PDF document text
- http://queensparkview.com/image/upload/File/bosukiguxopi.pdfIn PDF document text
- https://kakvkusno26.ru/wp-content/plugins/super-forms/uploads/php/files/d14e90896f2eb0ca633882298e0318d6/47288210537.pdfIn PDF document text
- https://unique-u.biz/images/uploads/file/40321576990.pdfIn PDF document text
- https://supportsystemsvainc.com/home/ssvi/public_html/ckfinder/userfiles/files/57634967629.pdfIn PDF document text
- http://execdentalclinic.com/uploads/ckfinder/userfiles/files/32264309486.pdfIn PDF document text
- http://boatmonies.com/uploads/files/sibifizakoxexupuzorekime.pdfIn PDF document text
- http://zagazzo.com/userfiles/file/93532519008.pdfIn PDF document text
- https://eventpro-kontraktorpameran.com/uploaded/files/7126367709.pdfIn PDF document text
- http://thomasgearon.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/11454049624.pdfIn PDF document text
- http://visusmarble.com/images_upload/files/merabaw.pdfIn PDF document text
- http://solarwindependence.com/ckfinder/userfiles/files/31614498438.pdfIn PDF document text
- https://cronos.jptecnicascr.com/yiicms/ckfinder/userfiles/files/31050912833.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_off0000dad1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDAD1 | 16712 bytes |
SHA-256: d1fad5a876b564c5ab3ef7502db613d86490ebd5921ad8e1192a9dca22dc706c |
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font_01_sfnt_off00010602.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10602 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011e19.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E19 | 10752 bytes |
SHA-256: bc59bf9e300255eaee73ab614147202c20c5d77896f6ca6073dd263a8cf40d44 |
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