MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file contains embedded JavaScript, which is often used to initiate malicious actions. The document body, though heavily obfuscated, contains URLs that are part of a link farm, suggesting a phishing or redirection attempt. The presence of external URIs and compromised CMS upload links further indicates a malicious intent to host or redirect to harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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=android+app+to+watch+tv+shows
- https://www.peltonfell.org.uk/ckfinder/userfiles/files/85183696155.pdf
- https://kvzriu.org/images/file/faniv.pdf
- https://chief-moving.com/editor_upload/file/21936962590.pdf
- http://hkbroadwin.com/userfiles/vaxobosiwimowulefex.pdf
- http://orderleesushi.com/uploads/files/xidasaragu.pdf
- http://tucholainfo.pl/userfiles/file/47151078717.pdf
- http://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16147af9120487---24078044222.pdf
- http://aodaiminhhanh.com/app/webroot/uploads/files/zubopifikopajoremigaviro.pdf
- https://www.bouwenaaneensterkwerkgeversmerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161355e086bd29---43602477346.pdf
- http://tufaghanafc.com/js/ckfinder/userfiles/files/68682446463.pdf
- http://airmon.hu/images/files/laledodevezop.pdf
- https://bawaniint.com/ckfinder/userfiles/files/78369809803.pdf
- http://ciccioinpentola.com/userfiles/files/rodisapovigunej.pdf
- http://snbedu.com/uploadfile/file///2021090803595552.pdf
- https://mrdak.cc/uploadfile/files/gadugosilux.pdf
- http://londonjip.com/userData/board/file/91088103876.pdf
- https://transturist.ba/ckeditor/ckfinder/files/files/nufovoxenetitipox.pdf
- https://cylinder96.ru/admin/ckfinder/userfiles/files/lebevurukuros.pdf
- http://w.scenekunstskolen-efteruddannelsen.dk/ckfinder/userfiles/files/91046351928.pdf
- http://evolution-dev.com/file_media/file_image/file/tibepij.pdf
- https://lomasdelaweb.com/userfiles/2008.09/file/vebisosowuri.pdf
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1613b34649b5e3---sitida.pdf
- http://congseng.com/uploadfile/files/pedikixenorad.pdf
- http://edwardfmcgintypa.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/mumum
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c4ec.bin687e7e1b448463f60a891d610804e3e063a506db1b135231224b677d1bd1d841 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC4EC | 16308 bytes |
font_01_sfnt_off0000eed3.bin685a4e00141d5b273f183a133b1a53a818204bf27d50b4628b72f98bae5967a3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEED3 | 10568 bytes |
font_02_sfnt_off000106f4.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x106F4 | 16792 bytes |
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