MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was identified as malicious by a machine learning classifier and ClamAV, indicating it likely contains malicious content or exploits. The heuristics reveal it functions as a link farm, directing users to multiple compromised WordPress upload directories and other potentially malicious PDF files. The presence of external URIs and a high ML score suggest an attempt to lure users to malicious sites, likely as part of a phishing campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9790
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 http://www.bewegeninarnhem.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160b986c97e2d9---50264408976.pdf In PDF document text
- http://teechart.com/uploads/images/files/28075368392.pdfIn PDF document text
- https://terminal.hr/userfiles/file/mizanijigeronojalutuna.pdfIn PDF document text
- http://www.virtualaid.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1608be71d6c641---7818882736.pdfIn PDF document text
- http://ghalemdi.com/userfiles/file/joxireva.pdfIn PDF document text
- http://bukharaalpharetta.com/sites/default/files/file/wuboximobu.pdfIn PDF document text
- https://claphamjunction.com.au/wp-content/plugins/super-forms/uploads/php/files/f1ef2ced4c6ca44a0b57c2834ec766a4/pabesexemezadepovibujetow.pdfIn PDF document text
- http://www.communityheroesproject.org/wp-content/plugins/formcraft/file-upload/server/content/files/160e08974b0518---nosifisilagawodisilawot.pdfIn PDF document text
- http://www.adatechotomasyon.net/wp-content/plugins/formcraft/file-upload/server/content/files/1608e09926bf58---2969624101.pdfIn PDF document text
- https://namastehealth.in/wp-content/plugins/super-forms/uploads/php/files/utsc6bpe466n71rbhrfa8i69qf/40538988673.pdfIn PDF document text
- https://hotelmitrutarija.com/uploaded/files/tesamazosuvalotumu.pdfIn PDF document text
- https://holocaustresearch.pl/nowy/photo/file/kikekezifamu.pdfIn PDF document text
- https://trsbarriersdirect.com/wp-content/plugins/super-forms/uploads/php/files/n9qig7kh465g296t747bnhv64t/81574630272.pdfIn PDF document text
- https://creativesilhouettes.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160b667dd69a3e---31891450726.pdfIn PDF document text
- http://botosani.ro/img/uploads/file/vituwesoraselez.pdfIn PDF document text
- http://www.altrus.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16074b4f27da8b---4029646699.pdfIn PDF document text
- https://astoriareiki.com/wp-content/plugins/super-forms/uploads/php/files/757c944769d613e83aafc60ea39d9ad0/8101742488.pdfIn PDF document text
- http://makaifruits.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070137dc6e88---tesuwelo.pdfIn PDF document text
- https://llsindia.in/FCKeditor/file/58821061693.pdfIn PDF document text
- https://laihouston.com/wp-content/plugins/super-forms/uploads/php/files/a5daa5fc64e5d7d22b3b3d96d1b114b7/jaladokanajajafanif.pdfIn PDF document text
- https://cmflower-kkc.com/ckfinder/userfiles/files/63807653682.pdfIn PDF document text
- https://www.arc-welding.co.uk/wp-content/plugins/super-forms/uploads/php/files/0r8r1gni1vsf5uugpnoqq96p6s/xavetatoz.pdfIn PDF document text
- https://www.nosolodespedidas.es/wp-content/plugins/formcraft/file-upload/server/content/files/160861abc63fce---73369648701.pdfIn PDF document text
- http://nsfeed.com/_UploadFile/Images/file/3970588917.pdfIn PDF document text
- http://traiteur-ribot.fr/userfiles/file/tatidetosasijexuwitoviwun.pdfIn PDF document text
- http://lamekatus.ee/uploads/ckeditor/files/76193743192.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=numerical+methods+with+c%2B%2B+programming+pdfPDF 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_off000129dc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x129DC | 19332 bytes |
SHA-256: 3a0b4c0553d69a3ff066e7470a9e0bc235b790f1459c13de39ad37670484bf00 |
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font_01_sfnt_off00015ca4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15CA4 | 11228 bytes |
SHA-256: b437ac2fecefc274a09d77ad3da5381562a2a9affcd71444df783eb2aab92e52 |
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font_02_sfnt_off000176a2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x176A2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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