MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is a common technique for executing malicious code within documents. The presence of multiple links pointing to compromised WordPress upload directories and disposable hosting suggests a link farm designed to redirect users to malicious sites or download further payloads. The ClamAV detection and ML classifier strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://margheritango.it/userfiles/file/7832363425.pdf In PDF document text
- https://dmddsgn.com/wp-content/plugins/super-forms/uploads/php/files/e53784a0c81894f1f6295be8fd3acb2d/15321292352.pdfIn PDF document text
- http://malagi.pl/user-files/fck/file/7628259172.pdfIn PDF document text
- http://bebelino.ru/userfiles/file/50610579694.pdfIn PDF document text
- http://drivingschool-brno.eu/files/14718605028.pdfIn PDF document text
- http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/160c516656355b---minonalen.pdfIn PDF document text
- http://hermangroupcorp.com/clients/3/38/389628ddbd62db2fa1e4299ecdfc1861/File/dejepugenajedura.pdfIn PDF document text
- https://vickers-electronics.co.uk/wp-content/plugins/super-forms/uploads/php/files/bc0614e8ce7faf8abff28692bf60ac9a/5287893351.pdfIn PDF document text
- http://skyrunarser.com/js/fckeditor/editor/filemanager/connectors/php/connector.php/upfiles/file/210628034844894932rzkk1s.pdfIn PDF document text
- http://miamiwars.pl/wp-content/plugins/super-forms/uploads/php/files/ef1514eb0d5476021562f5b400bac8a9/kipufa.pdfIn PDF document text
- http://ecbpolska.pl/wp-content/plugins/super-forms/uploads/php/files/3f26adbaa751d1364892a3ade022bf66/45117405784.pdfIn PDF document text
- http://algeos.us/js/ckfinder/userfiles/files/97515968949.pdfIn PDF document text
- http://dobrasekacka.cz/userfiles/file/lifepugefuj.pdfIn PDF document text
- http://www.carolglassman.com/wp-content/plugins/formcraft/file-upload/server/content/files/160843159bc521---xifuludekusasirefiva.pdfIn PDF document text
- http://tce.vn/imagesflashupload/file/juboxosaso.pdfIn PDF document text
- http://deckdreams.com/clients/3/34/34055ef41782f8f15ebf372c1e39ecad/File/70802206858.pdfIn PDF document text
- http://www.ibadirect.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094640a3133b---lofenorazedufirutuxar.pdfIn PDF document text
- https://caravanandre.it/wp-content/plugins/super-forms/uploads/php/files/f38bd71d693e701b3770662026184b03/63162713347.pdfIn PDF document text
- http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/top8i3am4d5k01ej94vke7j5u7/tesumevibomolu.pdfIn PDF document text
- https://cs168.tw/upfiles/editor/files/16149999965.pdfIn PDF document text
- https://benchmarktransitions.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608372322847e---67235346975.pdfIn PDF document text
- https://unitedcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608bafa0e6ac3---35139990897.pdfIn PDF document text
- http://beytarimcilik.com/admin/editor_resim/file/laxurowekijopi.pdfIn PDF document text
- https://funkydrop.shop/wp-content/plugins/super-forms/uploads/php/files/6fd8bec2ceb502a18c335320b6b8915d/gopuka.pdfIn PDF document text
- http://ebbers-schilderwerken.nl/uploads/files/70111877035.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=agar.io+private+server+free+botsPDF 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_off0000c5f3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC5F3 | 16060 bytes |
SHA-256: a3c699f906ab195b415773601a6a5b62f6cd618bfa3dfdd55e710fc7035608e0 |
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font_01_sfnt_off0000ef94.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF94 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000107ab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107AB | 10636 bytes |
SHA-256: 71182bc772b85dcfc876d98ca513c9c6f720d8df3bdeb45022edd6cbbfe1ba36 |
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