MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a link farm pointing to multiple compromised WordPress sites, which in turn host other PDF files. This behavior is indicative of a phishing or malware distribution campaign. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to distributing further malicious content or phishing for credentials.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
Heuristics 6
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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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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://www.hotwaterfactory.com.au/wp-content/plugins/super-forms/uploads/php/files/a7fd35ed6d0bd21c5c57eaa16e3a7cd6/24986716932.pdf
- https://sygimportaciones.com/wp-content/plugins/super-forms/uploads/php/files/kk91op6f5hgbu0lcnvf6triu51/66193487696.pdf
- https://fotofidelity.cz/userfiles/file/31559278765.pdf
- https://www.sevgiliyevideo.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a7a33edd15c---midarofowenulopu.pdf
- http://www.radiopopiatej.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609fc4a9e7cad---melazanuwon.pdf
- https://diversifiedhumansolutions.com/wp-content/plugins/super-forms/uploads/php/files/12aa8a653bd7a16d35b2dc7ac5702280/74977431319.pdf
- http://www.adanakursmerkezi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d3763e0dcd---zavaxuwewukukosinibeg.pdf
- http://inspirationallabels.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1609e52c8a5982---49769183980.pdf
- http://zawayakw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b59701756b8---57122415226.pdf
- http://amon-syotengai.com/userfiles/file/wegumopetizizadazobotanop.pdf
- http://akkoryazilim.com/userfiles/file/vewipobetukojawubolobokig.pdf
- http://ekotronic.eu/files/file/fegupuzenadu.pdf
- http://joelcsimonesq.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/47307465592.pdf
- http://plafondchauffant.fr//img/user/file/derijonolutuxakexasi.pdf
- http://maynenkhipuma.vn/quangbasanpham/app/webroot/upload/image/files/disukabunonimatobixa.pdf
- https://www.bouldersudbury.org/wp-content/plugins/formcraft/file-upload/server/content/files/160d629bb03263---81431084004.pdf
- https://xlux.vn/wp-content/plugins/super-forms/uploads/php/files/b3rk26lrddlom1v01cckvst5k1/8726849797.pdf
- http://aeskulap24h.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609833482d1a2---1968853838.pdf
- http://aksaaydinlatma.com/img/editor/image/file/firopexofesejopiletivoze.pdf
- https://www.charroninc.com/wp-content/plugins/super-forms/uploads/php/files/e39eff53c9b3f26ebbe4369a56cab4dd/dafevategasaxadebatepu.pdf
- http://www.wiz-fac.com/uploadImg/file/worugagez.pdf
- http://www.louthadventures.ie/wp-content/plugins/formcraft/file-upload/server/content/files/160ba56776175d---74208420868.pdf
- http://www.qookspot.kitchen/wp-content/plugins/formcraft/file-upload/server/content/files/1606d5c0ba1eb8---gujonudazomerexobeb.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=tom+and+jerry+hatch+up+your+troubles
- 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_off0000cb4d.bin99ace3cd7e173b07668a549ab4149cfcb5f42f85794414ee6e1232597a7ce02e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB4D | 11136 bytes |
font_01_sfnt_off0000e4ec.bindd8b5712678bf401a96c272fbfd8fb6d521203c069fdbf0a1f39381ccdf653be |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4EC | 17104 bytes |
font_02_sfnt_off000110e8.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x110E8 | 16792 bytes |
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