MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1059.007 JavaScript
T1566.001 Spearphishing Attachment
The sample is a PDF document containing embedded JavaScript, which is a common technique for executing malicious code. It also features a large number of external URLs, many hosted on compromised WordPress sites or disposable domains, suggesting a phishing or credential harvesting campaign. The ClamAV detection and ML classifier further support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://wastran.ru/uplcv?utm_term=a+quiet+place+full+hd PDF link annotation
- http://beastyenergy.com/userfiles/file/51013120862.pdfIn PDF document text
- https://printsolutions.printsolutions.bg/uploads/wysiwyg/files/50055317047.pdfIn PDF document text
- http://urbanconstructions.org/images/uploadedimages/file/25800518131.pdfIn PDF document text
- https://topclassgreenery.nl/images/file/60318631720.pdfIn PDF document text
- http://dallapietamarchisio.it/userfiles/files/48463425501.pdfIn PDF document text
- https://mudrun.com/home/mud/public_html/ckfinder/userfiles/files/86650529470.pdfIn PDF document text
- http://zpkprzemysl.pl/ckfinder/userfiles/files/xawanezotemagulinezerul.pdfIn PDF document text
- http://artetendasud.it/userfiles/files/78648361459.pdfIn PDF document text
- https://ladychief.com/wp-content/plugins/super-forms/uploads/php/files/e90a19c1b73b6101a3e81e35fa04f9f3/35665127855.pdfIn PDF document text
- https://www.focus.mu/wp-content/plugins/super-forms/uploads/php/files/21f528868d24b638ab7ee1b6a19305ea/jonopegazazivireve.pdfIn PDF document text
- https://www.toptalentusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137377e60f15---lebasupafuraxekizugenaz.pdfIn PDF document text
- http://angerdress.store/ckfinder/userfiles/files/desim.pdfIn PDF document text
- https://brianspradlin.com/userfiles/file/95177958752.pdfIn PDF document text
- http://musclecar-taps.com/js/upload/files/36992546548.pdfIn PDF document text
- https://sona3elkhair.com/userfiles/file/30135231697.pdfIn PDF document text
- http://www.binghan.my/userfiles/file/vipapifidofefater.pdfIn PDF document text
- https://homeuu.biz/upload/ckeditor/pages/files/sawojosanelerebitevuk.pdfIn PDF document text
- http://beccaro.it/userfiles/files/46290429103.pdfIn PDF document text
- http://uforoi.com/app/webroot/uploads/files/33236822637.pdfIn PDF document text
- http://alburigiott.it/userfiles/files/80133694129.pdfIn PDF document text
- http://bulk-supplies.com/userfiles/file/53182353288.pdfIn PDF document text
- https://emilline.dk/ckfinder/userfiles/files/penefof.pdfIn PDF document text
- http://trackeg.com/en/wp-content/plugins/formcraft/file-upload/server/content/files/16136b70186bef---99711719724.pdfIn PDF document text
- http://a-kamen.com/userfiles/file/bulebexemebubowuvu.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_off0000b557.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB557 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cd69.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCD69 | 16484 bytes |
SHA-256: afa0a33a1cac706c24f6e1cb94f0d6a9d58c37b41d93fe3fc9d9ecc2ba8ae722 |
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font_02_sfnt_off0000f782.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF782 | 10452 bytes |
SHA-256: 297c8bba461033fd2e4e837942a08901fd3b5f6c56bd0800a583e6f72c6d4955 |
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