MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF contains embedded JavaScript, which is a common technique for delivering malicious content or redirecting users to phishing sites. The numerous external URIs, many hosted on compromised or disposable domains, strongly suggest a link farm designed to obscure the ultimate destination and evade detection. The ML classifier and ClamAV detection further confirm the malicious nature of this file.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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 http://berallebags.com/UploadFiles/FCKeditor/20210911134504.pdf In PDF document text
- https://wineart.online/userfiles/file/57583891993.pdfIn PDF document text
- http://abwrva.com/uploads/files/70715997188.pdfIn PDF document text
- http://asea-admin.com/_userfiles/file/20210905195402.pdfIn PDF document text
- http://mindatpeace.us/uploads/files/10326728211.pdfIn PDF document text
- https://aczv.fr/userfiles/file/lisawekiwedinunowosolewo.pdfIn PDF document text
- http://salsainkonstanz.de/media/files/71619714615.pdfIn PDF document text
- http://ominocoibaffi.it/userfiles/files/siwimefase.pdfIn PDF document text
- https://archcosmeticstudio.com.au/wp-content/plugins/super-forms/uploads/php/files/3803b7fdf48b7c9e17382af070d8d90d/naxerabanejoxunimodasav.pdfIn PDF document text
- https://xn--bankkrtya-41a.hu/js/ckfinder/userfiles/files/52551995455.pdfIn PDF document text
- http://1544-7419.net/upload/fckeditor/file/gafodotamibubujino.pdfIn PDF document text
- http://sjhrz.com/images/upload/File/3508338185.pdfIn PDF document text
- https://epgeptech.hu/ckfinder/userfiles/files/jodomonifadijaruwovoli.pdfIn PDF document text
- http://lyzph.com/userfiles/file/Fl202109080630227663.pdfIn PDF document text
- http://haisushitogo.com/uploads/files/xiwugakokimab.pdfIn PDF document text
- https://megacook.pt/site/upload/file/91973746466.pdfIn PDF document text
- https://vicareyou.com/userfiles/file/jirijovorewa.pdfIn PDF document text
- http://savvyais.com/userfiles/file/suwojewoguzomire.pdfIn PDF document text
- http://gezond-trakteren.nl/kasteel-doornenburg-img/bestandenfile/28061433474.pdfIn PDF document text
- https://www.emmabowman.com/wp-content/plugins/super-forms/uploads/php/files/ab2d55f76bdbb817079a26bf7b3e7b0b/2952961656.pdfIn PDF document text
- https://retentionstudentexperience.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141ae7f406d8---wilesadegapepugizexefadid.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=vidmate+2016+download+apkPDF link annotation
- 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_off0000dcf5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDCF5 | 16880 bytes |
SHA-256: 55853165e41959abf798df5d5094fa211ab10a78d25d03714fd881109693ceb7 |
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font_01_sfnt_off00010866.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10866 | 10892 bytes |
SHA-256: 577609a6189a4f1e3a0d6aa9793f1a429d50a0975815e0c00d77ebca44c9f7df |
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font_02_sfnt_off000121b2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x121B2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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