MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics and an ML classifier as malicious, with ClamAV identifying it as a phishing trojan. It contains numerous links, many pointing to compromised WordPress sites and disposable hosting, suggesting it functions as a link farm designed to redirect users to malicious content. The presence of external URIs and link farms indicates an attempt to lure users to external, potentially harmful, resources.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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://silesiacapital.eu/data/file/57774764819.pdf In PDF document text
- https://www.acetechnology.co.in/wp-content/plugins/super-forms/uploads/php/files/4671kiup3t4lcql9du1741sbpt/9320975347.pdfIn PDF document text
- http://fst-uinsu.net/userfiles/files/15760923315.pdfIn PDF document text
- http://www.mkkdigital.pt/wp-content/plugins/formcraft/file-upload/server/content/files/1607091147ae88---wimezulamajaxofexax.pdfIn PDF document text
- http://www.ellisrasbetonwerke.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160745f601e18c---74063498264.pdfIn PDF document text
- http://nakamurasangyou.jp/app/webroot/uploads/files/85102798194.pdfIn PDF document text
- http://jamoncup.es/wp-content/plugins/formcraft/file-upload/server/content/files/16091de61f419d---36417201990.pdfIn PDF document text
- http://www.medicalalliedtraining.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f0f78bccf24---zezosu.pdfIn PDF document text
- http://jointrilogy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160abc9c4ab514---dabagufe.pdfIn PDF document text
- http://sinara.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160716e455f908---tudomopavexedaj.pdfIn PDF document text
- http://israel-aliya.com/wp-content/plugins/super-forms/uploads/php/files/8e16dff1c80500d76cdb4ffb62cdc7c0/kusegufolusexamogazaliser.pdfIn PDF document text
- https://www.davidcosz.de/wp-content/plugins/super-forms/uploads/php/files/92iud6gcfcbn26vp0r8pao5h5n/31745531388.pdfIn PDF document text
- https://rhythmcprandfirstaid.com/wp-content/plugins/super-forms/uploads/php/files/410e56b21b5d759262af6da7966e407b/51694400950.pdfIn PDF document text
- http://asirius.su/wp-content/plugins/super-forms/uploads/php/files/27f81b94cef48107abb2d6006c91c840/82444284394.pdfIn PDF document text
- http://medrea.ru/upload/files/tasetuvuxatuma.pdfIn PDF document text
- https://novitas.ro/files/2809854527.pdfIn PDF document text
- https://unicornccc.com/ckfinder/userfiles/files/59734905043.pdfIn PDF document text
- http://fsanaq.com/upload/file/210716111916766251rz8ds53bc6lr.pdfIn PDF document text
- http://www.sg-callenberg.de/wp-content/plugins/formcraft/file-upload/server/content/files/1612e9737ac63b---zumuwelijakesizadi.pdfIn PDF document text
- http://bilagroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f320b12b0e4---xilolavamamadixobisefes.pdfIn PDF document text
- http://dianacb.cz/userfiles/file/91114433575.pdfIn PDF document text
- https://www.inkfactory.pk/wp-content/plugins/formcraft/file-upload/server/content/files/160747f4226d4c---tatuzexujivotiwes.pdfIn PDF document text
- https://tocgia247.com/wp-content/plugins/super-forms/uploads/php/files/51dc8c4vmjpgmcklpo80mp7cbj/givojemefifavakedozinuxos.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=hiperparatiroidismo+primario+sintomas+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_off0000f4ef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4EF | 10604 bytes |
SHA-256: a239152a3dbf9886093066b9fa3d5922ac3fde770165536be34cbf2ca74260cc |
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font_01_sfnt_off00010d16.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D16 | 17312 bytes |
SHA-256: 4813a48ecba3801ddf23977c9530bc78533c2e48b100d23c56a60d7ce4f929dd |
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font_02_sfnt_off00013a11.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13A11 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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