MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm pointing to multiple compromised WordPress sites, which in turn host other PDF files. This suggests a phishing or malware distribution campaign where the initial PDF serves as a lure to download further malicious content. The ClamAV detection and ML classifier strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160acea08c2522.pdf In PDF document text
- http://antwerp-reefer-tournament.be/argt/files/sivoravitadopumovajekebag.pdfIn PDF document text
- http://www.advokat.com/app/webroot/img/fck/file/51566056894.pdfIn PDF document text
- http://mas.vacations/wp-content/plugins/formcraft/file-upload/server/content/files/1612a175cef98b---24716272945.pdfIn PDF document text
- https://www.conkite.com/wp-content/plugins/super-forms/uploads/php/files/333a1fa39a8deb79419500f863f134ae/92661390158.pdfIn PDF document text
- http://sor1310.com/userfiles/file/nilizu.pdfIn PDF document text
- http://cyklo-sport-servis.cz/UserFiles/File/765787385.pdfIn PDF document text
- http://web68s.com/upload/files/watamaropusavojalaw.pdfIn PDF document text
- http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/os917hn4m8oar5suuot5augegk/xurer.pdfIn PDF document text
- https://cambodiadriverservice.com/userfiles/file/vivubawot.pdfIn PDF document text
- https://www.dyna-tech.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160bec9d81f426---49657665050.pdfIn PDF document text
- http://staractivecollection.com/resimler/site/files/22021441717.pdfIn PDF document text
- http://bizwd.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2f3fd0cd28---tovaxevo.pdfIn PDF document text
- https://kalatranslation.co.uk/wp-content/plugins/super-forms/uploads/php/files/hbgjgfrjhrfoegoghsugapk36k/xuzajugarut.pdfIn PDF document text
- https://quizai.com/uploads/files/16676431013.pdfIn PDF document text
- https://rasathantrananotech.com/ckfinder/userfiles/files/48016523387.pdfIn PDF document text
- http://glina-master.ru/admin/ckfinder/userfiles/files/pofoxaboseravedatirobojem.pdfIn PDF document text
- http://volkshilfe-vlbg.at/images/content/files/16139526759.pdfIn PDF document text
- http://botosani.ro/img/uploads/file/mujodixotujibabuvuxu.pdfIn PDF document text
- http://e-district.org/userfiles/file/99449375252.pdfIn PDF document text
- https://fedico.ca/upload/editor/file/siranipigibu.pdfIn PDF document text
- https://fjordancv.info/wp-content/plugins/super-forms/uploads/php/files/3f90cc23f92e700731b7e4276e458727/pidonuvugezasomujurom.pdfIn PDF document text
- https://propbrains.com/wp-content/plugins/super-forms/uploads/php/files/sko4aer2mubqg6nbfv9lc837t4/luxosulojajijolasus.pdfIn PDF document text
- http://sankofalectureseries.com/clients/a/ae/ae3037074ff26ae8502dacd236f4ced8/File/junalivewasejepiravidu.pdfIn PDF document text
- http://zulassung4you.de/bilder/file/kujuwamejupumikobetoxira.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=neale+donald+walsch+kitaplar%C4%B1+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_off0000de29.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE29 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f63b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF63B | 18592 bytes |
SHA-256: aac5838966a110b503c13ae0e0a5d37b83afecf52ed4f7c77c2e5443234600ed |
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font_02_sfnt_off00012507.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12507 | 10920 bytes |
SHA-256: 98a6a8f626382970356e21b87df18a4b9ce0862cd5f865319255c4afb472cd23 |
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