MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains numerous embedded URLs, many of which point to compromised WordPress sites. Heuristics indicate this is a link farm designed to redirect users to potentially malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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://yidinfo.net/wp-content/plugins/super-forms/uploads/php/files/s6oc61c295o7gekta7hd81gn2t/29744962806.pdf In PDF document text
- http://elma-itc.ru/!upload/files/walijajuxetaf.pdfIn PDF document text
- http://cmuniontravel.com/userfiles/file/82619168768.pdfIn PDF document text
- http://studioriboldi.eu/userfiles/files/90721599015.pdfIn PDF document text
- http://dydlhx.com/upfiles/file///83066470577.pdfIn PDF document text
- http://www.mezmat.ru/ckfinder/userfiles/files/71330941529.pdfIn PDF document text
- https://cafemocion.com/userfiles/file/xerizinuk.pdfIn PDF document text
- https://icnj.net/ckeditor/ckfinder/userfiles/files/98334656346.pdfIn PDF document text
- https://www.dynasil.com/wp-content/plugins/super-forms/uploads/php/files/d8e577efd433943de366cff0fd349963/foxizefivoripe.pdfIn PDF document text
- http://xn--h1aaebajlcgx.xn--p1ai/sadm_files/nopenek.pdfIn PDF document text
- https://maconlux.ovh/userfiles/files/30220745809.pdfIn PDF document text
- http://notariocprietoa.com/notaria/documentos/files/63711700525.pdfIn PDF document text
- https://pomtco.com/technical/files/file/48274464132.pdfIn PDF document text
- http://paymentsbusiness.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1614046a3a12ed---vosogufog.pdfIn PDF document text
- https://macleanpinesdrivingschool.com.au/wp-content/plugins/super-forms/uploads/php/files/553e81867b926e47458c22d47a19da68/malulobedutanufowutuso.pdfIn PDF document text
- http://brilsports.ro/userfiles/file///77783044469.pdfIn PDF document text
- https://topclassgreenery.nl/images/file/kejagudebolubose.pdfIn PDF document text
- http://lnimeina.it/userfiles/files/wifizuwixititoxame.pdfIn PDF document text
- http://aktien-analyse.de/images/File/10177093080.pdfIn PDF document text
- http://4226080.kad.tw/kads/ckfinder/userfiles/files/72807105662.pdfIn PDF document text
- https://sieuthigo.vn/upload/ck/files/44446888821.pdfIn PDF document text
- http://obasekiestates.com/UserFiles/file/24249156455.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=1+hp+android+2+whatsappPDF 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_off0000c874.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC874 | 17616 bytes |
SHA-256: 04c316bf4ec3ef09972834b4a992b10d9428b2a610431bf0c9d95bd855b1143e |
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font_01_sfnt_off0000f662.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF662 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010e79.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E79 | 10472 bytes |
SHA-256: 417e08dd73797c4a9f2c0c988a18fd84066b26ed6898a11dcdb7d8e8d9da76f9 |
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