MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous embedded URLs that function as a link farm, directing users to potentially malicious websites. Heuristics indicate that these links are hosted on compromised CMS uploads and disposable hosting, suggesting a phishing or malware distribution scheme. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9767
Heuristics 6
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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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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=one+piece+manga+1+pdf
- https://www.shropshirefurniture.co.uk/admin/ckfinder/userfiles/files/zorapexisirikasedimonitiw.pdf
- http://bellezaeimagen.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1613797f3dcf94---13840133093.pdf
- https://univerosg.com/ckfinder/userfiles/files/53607110663.pdf
- https://vjlabor.pitscovn.com/uploads/Upload/files/devanepeto.pdf
- http://studiobaldizzone.com/userfiles/files/pitosomabifolagazisotup.pdf
- http://letsfinal.com/userfiles/file/pilabiguxovakavubufabagif.pdf
- http://stroyvodservice.ru/upload/File/49062676454.pdf
- http://bidadapatidar.com/userfiles/file/23289206020.pdf
- https://www.barrau-philippe-sedeco.fr/ckfinder/userfiles/files/dobuwubapovimelaxenuzog.pdf
- http://informerfitness.com/wp-content/plugins/super-forms/uploads/php/files/64c313b7f040bc43518e72fa60e1cb83/tarefadinitabugusujop.pdf
- http://only-svet.ru/upload/files/pirotiwosemezap.pdf
- http://yoshitomo-kokubunji.com/jcfiles/file/felazeliratuzatukekoxek.pdf
- https://mmtours.si/uploads/83039123715.pdf
- https://yoimart.com/upload/file/20210907034822.pdf
- http://stavclearing.ru/upload/files/31917001967.pdf
- http://mweb.cz/images/file/90124218431.pdf
- https://abss.pt/userfiles/file/79355986782.pdf
- http://rentappli.com/tinymce/jscripts/tiny_mce/plugins/phpimage/phpimage/upload/images/file/87008522439.pdf
- http://www.southpointinstitutehowrah.com/admin/uploads/file/93648495989.pdf
- http://cheliabinsk.realxenon.ru/uploads/files/90648475547.pdf
- https://www.saenger-ohg.de/wp-content/plugins/formcraft/file-upload/server/content/files/16136a25bd1621---61014469438.pdf
- http://hflbdq.com/uploads/file/011233422355.pdf
- http://arisutour.com/ckupload/files/kexilifew.pdf
- https://pensiuneavalentina.ro/app/webroot/file/52608702499.pdf
- https://soudurelauziere.com/upload/editor/file/14241278528.pdf
- 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 5
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000fc7f.bincb83427253be486b5dc35224710cea1d2a27078ad6da64da340d8beb93dbb3aa |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC7F | 1964 bytes |
font_01_sfnt_off00010593.binafabd556f668e5e81bd2035c8ecda246113db0c7b9fdd8bf2b5e09b388c12360 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10593 | 25424 bytes |
font_02_sfnt_off000146ac.bin071bac7a3a90310621307d68123817e30fba7c89f9e5021c4391eb43bd8b9137 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x146AC | 16132 bytes |
font_03_sfnt_off00015c23.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15C23 | 16792 bytes |
font_04_sfnt_off0001743a.bin40532620cd85551f17bc69af47d959302dbc9fac381f9227ad3bdda53d3f7fa3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1743A | 10508 bytes |
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