MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier. It contains numerous external URIs and links to compromised CMS uploads, indicating a link farm designed to redirect users to potentially malicious content. The file's structure and the presence of multiple external links suggest it is part of a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9820
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://synerhu.ru/uplcv?utm_term=another+word+for+short+sightedness
- https://www.andimoda.com/wp-content/plugins/super-forms/uploads/php/files/203c4d193e6dcb837695a7df0648c018/lapumuguzojenemasi.pdf
- https://apoiotelecom.com/imagens/img_fckeditor/file/tumekusamovokusuvupetis.pdf
- https://tecsal.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160de9c620b2e1---rapupobijo.pdf
- https://hongmao.tw/uploads/files/202108180228399395.pdf
- http://micdelhi.in/userfiles/file/zifananumaxunozusazuxo.pdf
- http://harissarantis.com/userfiles/files/tibafokovinuluj.pdf
- https://www.caesarstravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d2a85ebad7---fefupixetipovudiduvo.pdf
- https://laneopx.com/wp-content/plugins/formcraft/file-upload/server/content/files/160807d9a56a4e---12900313858.pdf
- http://ketoanantamhcm.com/uploads/files/45334919235.pdf
- http://skiflogistics.ru/userfiles/file/wukabun.pdf
- https://digireg.es/upload/85266716780.pdf
- http://jfkanacon.org/data/userfiles/files/libake.pdf
- http://coolscape.info/images/files/31609391963.pdf
- https://jfefood.com/wp-content/plugins/super-forms/uploads/php/files/c47354e6b02fc2c4fd6be0dfe083c88c/40369896720.pdf
- http://brlairport.com/images/file/19234559444.pdf
- https://ezsprinting.com/userfiles/file/falezorofidiw.pdf
- http://aeskulap24h.com/wp-content/plugins/formcraft/file-upload/server/content/files/16121ad284f87e---pufikawebesete.pdf
- http://mppscstudy.com/admin/usercontent/file/35918079958.pdf
- http://cosmeticdermatologymiamibeach.com/uploads/data/files/39303540447.pdf
- https://sainaudit.mn/File/20260728861.pdf
- https://iescolumbus.org/wp-content/plugins/super-forms/uploads/php/files/a48fdcfc118a6807b2e488198d40c7e7/32379251274.pdf
- http://z-i-f.ru/userfiles/file/kutaxazazil.pdf
- http://churchliferesources.org/wp-content/plugins/formcraft/file-upload/server/content/files/160bfaad766c96---45965111012.pdf
- https://diversifiedhumansolutions.com/wp-content/plugins/super-forms/uploads/php/files/32458c2bd3083bae2e15d4fc06d21c1b/lefoxemowafodupelimenod.pdf
- http://leap-egypt.com/wp-content/plugins/formcraft/file-upload/server/content/files/160983253b085a---kevakesoxijefulutawik.pdf
- http://xn--80aap0abfiql8h.xn--p1ai/admin/ckfinder/userfiles/files/bevinase.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000112ec.bin62bd1f7af6a2d8537d67e9dc2880e00fd7e389f45b2344cb9469e79ab696c722 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x112EC | 10492 bytes |
font_01_sfnt_off00012a99.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A99 | 16792 bytes |
font_02_sfnt_off000142ab.bin41923d407ea6075d4e2ec490a9148646a575656a715034f255c03b6b4f3cd02b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x142AB | 20356 bytes |
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