MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF containing embedded JavaScript, which is often used to redirect users to malicious sites. Several heuristics indicate the PDF is part of a link farm hosted on compromised WordPress sites, suggesting a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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://dispomydeal.com/wp-content/plugins/super-forms/uploads/php/files/6f88d26b136ce6207f4a6929f5a37d14/60328990569.pdf In PDF document text
- https://nowackleverkusen.de/wp-content/plugins/formcraft/file-upload/server/content/files/16075ce0a3d171---rekakedodot.pdfIn PDF document text
- https://sweetestspaparty.com/wp-content/plugins/formcraft/file-upload/server/content/files/160869faa6b3d4---vagozuve.pdfIn PDF document text
- http://agriturismocorteerbatici.it/userfiles/files/54941652647.pdfIn PDF document text
- https://mebelpozakazu.ru/wp-content/plugins/super-forms/uploads/php/files/354269998d3dab87fae58a01272d5e9c/jamuxari.pdfIn PDF document text
- http://geyikkimya.com/userfiles/upload/file/dufupukex.pdfIn PDF document text
- https://fibra-optica.ro/ckfinder/userfiles/files/44379831093.pdfIn PDF document text
- http://training-solutions.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1609fde4c6a602---fiwaso.pdfIn PDF document text
- https://astoriareiki.com/wp-content/plugins/super-forms/uploads/php/files/4301c2bad56043b5e445251866d1a338/15775973638.pdfIn PDF document text
- http://1mosref.ru/ckfinder/userfiles/files/53438489132.pdfIn PDF document text
- http://piannocreativo.com/js/new/fckeditor/userfiles/file/sofitevusika.pdfIn PDF document text
- http://adoriantarla.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160c6a80a6e979---zubekisoma.pdfIn PDF document text
- http://keigan-productions.com/clients/863431/File/zumab.pdfIn PDF document text
- http://shlawllc.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/zitijimido.pdfIn PDF document text
- https://pointsourcegroup.com/wp-content/plugins/super-forms/uploads/php/files/21b3aed674cb058b47b4e21d8dc76d0b/gofoneruxonul.pdfIn PDF document text
- https://amursvoidom.ru/media/files/venotiduterirelazemesub.pdfIn PDF document text
- http://fzcce.com/aimgs/uload/files/labevagugezexoretejosopu.pdfIn PDF document text
- https://pypconsultores.mx/userfiles/file/nixifijanaziwig.pdfIn PDF document text
- http://www.loicadesacavem.pt/wp-content/plugins/formcraft/file-upload/server/content/files/1608879d96574b---49598253768.pdfIn PDF document text
- http://www.premiumimport.nl/ckfinder/userfiles/files/53152864923.pdfIn PDF document text
- http://amadpich.com/userfiles/file/39884367798.pdfIn PDF document text
- https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/1b4489b3e72a2ee7f3c293e5280214eb/susupoze.pdfIn PDF document text
- http://kazenergy.kz/wp-content/plugins/formcraft/file-upload/server/content/files/160bd0bc47a1e9---makoboburamesoxo.pdfIn PDF document text
- http://3handseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fc253b25a62---94200852019.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=adverbial+phrases+year+4+worksheetsPDF 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_off0000c302.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC302 | 16952 bytes |
SHA-256: fcd75f1da34adb55917806c7a19510310ef68dcb2fe918363ea1b23a80075c94 |
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font_01_sfnt_off0000eedb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEDB | 10944 bytes |
SHA-256: 2eb9f8f7b752b61ba871370a5031b4e80480fece2c3c2f342cef1cdeb47ecec9 |
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font_02_sfnt_off00010849.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10849 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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