MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by ML classifiers and ClamAV as malicious. It contains a link farm pointing to numerous compromised WordPress sites, suggesting an attempt to lure users to malicious content. The presence of external URIs and link farms indicates a phishing or malware distribution vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9935
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://queure.ru/uplcv?utm_term=bells+on+bobtails+ring+meaning
- http://www.radioemka.com/wp-content/plugins/formcraft/file-upload/server/content/files/160951ceee1fa8---96612498838.pdf
- https://gadd-asso.org/userfiles/file/39970946354.pdf
- http://asupuro.com/user_data/image//file/99964766231.pdf
- https://themodernla.com/wp-content/plugins/super-forms/uploads/php/files/257b97ffe3ee8974e23365a5b028935c/pinepolilitisivawilasivor.pdf
- https://artlabjo.com/userfiles/file/jizunem.pdf
- https://glasschneider.koeln/wp-content/plugins/super-forms/uploads/php/files/biojq9npl2e3p862vn0ski81j8/migavurijela.pdf
- http://gesundezellen.de/neu/userfiles/file/badiwebakugu.pdf
- http://thietbiotoviet.com/Images_upload/files/xozowikarepivimojez.pdf
- http://serendipityorlando.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607bd20a90350---23530295706.pdf
- http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/g15gutosbcbfhrinjknp4rfia0/73808377795.pdf
- http://mijneigenlift.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a539c32705d---82576684081.pdf
- https://www.zulilighting.com/wp-content/plugins/super-forms/uploads/php/files/f5a78cfe74f625c5fe2a274eff8eb6ca/98501549547.pdf
- https://iva-vietnam.com/userfiles/file/36535510266.pdf
- https://www.ikedatosou.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c2aa5bdccd---9675703463.pdf
- https://betenenergy.com/sites/default/files/file/49007520994.pdf
- http://jirehenl.com/userfiles/file/270143371553.pdf
- http://phanphoiongnhuahoasen.vn/upload/files/dezotidikavigusipelun.pdf
- http://otelm4b.ru/admin/ckfinder/userfiles/files/61783369175.pdf
- https://wacee.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a7592310969---13694795670.pdf
- http://www.hkwebdesign.com.hk/wp-content/plugins/formcraft/file-upload/server/content/files/160c2a7abba43b---64056376764.pdf
- http://www.idenet.net/wp-content/plugins/formcraft/file-upload/server/content/files/16098b2d1e83a9---29822364612.pdf
- https://ajwatravel.com/wheelmarine/userfiles/file/buxaxevetesewilekuburofo.pdf
- http://mdsalon.ru/img/lib/file/nifagege.pdf
- https://www.lightingdynamics.com/wp-content/plugins/super-forms/uploads/php/files/5fcc1538b601a81efb7c98a2ba8d6f41/pedoxezugojifixawapaxo.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000103df.binf290cb65d55a541946b0d8f0c61b364f4953092db59de5fee552df670d3172b6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103DF | 10644 bytes |
font_01_sfnt_off00011c42.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C42 | 16792 bytes |
font_02_sfnt_off00013454.bin890c5c5cc470c74af708f7b18db22291f1c84791209bfc99ac992ac23ff293ef |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13454 | 17620 bytes |
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