MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of links, many of which point to compromised WordPress sites. The ML classifier and ClamAV detection strongly indicate malicious intent. The primary function appears to be acting as a link farm to distribute traffic to potentially malicious or phishing sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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://aquariumfargo.com/wp-content/plugins/super-forms/uploads/php/files/4cd88915d4745df745e4da2a4392b9e1/28036170197.pdf In PDF document text
- http://dzwigipoznan.pl/userfiles/file/gurakuwakaje.pdfIn PDF document text
- https://www.treehousecare.org/wp-content/plugins/formcraft/file-upload/server/content/files/16078c1be78858---57433813976.pdfIn PDF document text
- http://opalsolar.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1606c7df8b7302---mezadokonekefujufifo.pdfIn PDF document text
- https://maxim-catering.de/wp-content/plugins/super-forms/uploads/php/files/o0kbeg1k4df48pf8qiq5668eg2/72701154531.pdfIn PDF document text
- http://bayzones.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/kugedeli.pdfIn PDF document text
- http://harlit.com/upfiles/file/ritokesiladexi.pdfIn PDF document text
- https://yarsan.ru/wp-content/plugins/super-forms/uploads/php/files/84e8cda2126e71f466b53b348c3d6c0a/donewuxekabawikovibaneve.pdfIn PDF document text
- https://mygamedaysports.com/wp-content/plugins/super-forms/uploads/php/files/910bad9986d8fb0c3b1412fc3782d342/ganaburamegapobejixerupas.pdfIn PDF document text
- http://www.lavalledesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607100a68313e---86800348007.pdfIn PDF document text
- https://minlinart.com/archive/upload/files/rasuxajizuwavototowev.pdfIn PDF document text
- https://giltmorestukko.hu/ckfinder/userfiles/files/86040579325.pdfIn PDF document text
- https://vernadoc.com/wp-content/plugins/super-forms/uploads/php/files/8ed2b15ed7a5bf385755ace818779a78/jiwinizalozi.pdfIn PDF document text
- http://cesnek-vysocina.cz/UserFiles/File/79646590445.pdfIn PDF document text
- http://hvpeds.com/upload/contents/file/32810404249.pdfIn PDF document text
- http://math-talk.kr/wp-content/plugins/super-forms/uploads/php/files/qidofmvsvg160dbh22fnr77cqf/jodamu.pdfIn PDF document text
- https://sipare.com.ar/wp-content/plugins/super-forms/uploads/php/files/tn7gqamona35mr9mbanp1co0v2/94372705248.pdfIn PDF document text
- https://beysukonaklari.com/ckfinder/userfiles/files/86413811415.pdfIn PDF document text
- https://www.jahnigterbraak.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16079e732a4517---27697386515.pdfIn PDF document text
- https://www.jahnigterbraak.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16076aad106f1e---73317857603.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=gesti%C3%B3n+lean+y+%C3%A1gil+de+proyectos+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_off0000d269.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD269 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ea80.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA80 | 11268 bytes |
SHA-256: 7b3e6ca8322fb9a4bf290a80b0b5d0e89e65f2a296f1ce56256f942bc1c5f0dc |
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font_02_sfnt_off0001043f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1043F | 17800 bytes |
SHA-256: b94599f2a7092be7f194e6d4f9575c420dc64e7728cc0c2b33b92111bf4a4117 |
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