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 numerous domains, many of which are associated with compromised CMS uploads or disposable hosting, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to exploiting users via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9987
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://worldofpacifiers.com/editor_uploads/system/files/vemasosux.pdf In PDF document text
- http://jamoncup.es/wp-content/plugins/formcraft/file-upload/server/content/files/160a944c1d6061---datukozigux.pdfIn PDF document text
- http://kaies.cn/upfiles/210618014052784291d7ia28.pdfIn PDF document text
- http://geostudio.eu/userfiles/files/15751567942.pdfIn PDF document text
- https://harpethvalleypto.org/wp-content/plugins/super-forms/uploads/php/files/e1b8e9652a0e570114c6f2cc48a0bd7d/melofenalufawabepaxo.pdfIn PDF document text
- https://hr-serdahel.hu/images/file/45706163643.pdfIn PDF document text
- http://www.frank-diagn.hu/userfiles/files/26435424492.pdfIn PDF document text
- http://autoset66.ru/admin/ckfinder/userfiles/files/bovusaporudenesefad.pdfIn PDF document text
- http://www.cascinasorigherio.it/wp-content/plugins/formcraft/file-upload/server/content/files/160d4a5b5429e4---repidesekoxiw.pdfIn PDF document text
- https://www.aironface.com/wp-content/plugins/super-forms/uploads/php/files/f82f48625df8a17ce9a7ba5b7c518545/zipapagajevirobetuki.pdfIn PDF document text
- http://gfzgt.ch/upload/file/bisebadap.pdfIn PDF document text
- https://astoriareiki.com/wp-content/plugins/super-forms/uploads/php/files/98e6054219e11b5e6f6fa4e3499ae16f/94575503464.pdfIn PDF document text
- http://www.nowsingapore.co.id/wp-content/plugins/formcraft/file-upload/server/content/files/16072e2e76e657---42570736125.pdfIn PDF document text
- http://pampa.be/uploads/userfiles/files/98423233925.pdfIn PDF document text
- https://gpuhub.net/wp-content/plugins/super-forms/uploads/php/files/4gsrqkq8qdhs618euvelho4tj5/konobetidobepolarerisigi.pdfIn PDF document text
- https://hoakhanh.vn/uploads/image/files/viwevosejorelizudujetu.pdfIn PDF document text
- http://www.farparts.cl/wp-content/plugins/formcraft/file-upload/server/content/files/160c14ee4a7290---weroduxezoxekafipugiped.pdfIn PDF document text
- https://www.tangelo.no/wp-content/plugins/formcraft/file-upload/server/content/files/160774d59383b9---xunaguxamez.pdfIn PDF document text
- http://iwish-cosmetics.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b387391bd6e---50109651637.pdfIn PDF document text
- http://www.hotel-margherita.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076608e09790---datenexal.pdfIn PDF document text
- http://baggiez.net/userfiles/file/95323392213.pdfIn PDF document text
- http://uat.ideadunes.com/projects/ideadunes-portfolio-site/wp-content/plugins/formcraft/file-upload/server/content/files/160a06ef863353---maxakanaxus.pdfIn PDF document text
- http://thai-apsproducts.com/file_media/file_image/file/dejakowemufaxunopizasajim.pdfIn PDF document text
- http://monktonlionsclubkidscamp.com/clients/9/99/99b8b5517e5fb663501b7ee5137ebf55/File/jowadolawunazokaluxevuwot.pdfIn PDF document text
- https://g3az.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608736340dc01---32743827227.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=how+to+add+multiple+photos+in+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_off0000daf4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDAF4 | 16364 bytes |
SHA-256: 89e24eeddb54a23a3d978b9c61197dad6c9d10a930dfbe707df72e3a33d304ff |
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font_01_sfnt_off0001056e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1056E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011d85.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D85 | 10840 bytes |
SHA-256: 7db5877388ebd66a40fc965efa89fe227c63b268bbc36c46885a4f706a8878e7 |
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