MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous external URIs and links to compromised CMS uploads, suggesting it functions as a link farm or phishing lure. The PDF structure and embedded content point towards an attempt to redirect users to potentially harmful websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9908
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://chcial.ru/uplcv?utm_term=grey%27s+anatomy+online+putlocker PDF link annotation
- http://www.playerclub.ro/wp-content/plugins/formcraft/file-upload/server/content/files/161321c707e4d3---85275312503.pdfIn PDF document text
- http://le-lemniscus-incandescent.fr/ckeditor/upload/files/73508974146.pdfIn PDF document text
- https://chungangroup.com/uploads/files/202109150733363437.pdfIn PDF document text
- http://nt-module.ru/ckfinder/userfiles/files/93304217050.pdfIn PDF document text
- https://deltagroup.bg/uploads/file/3316128294.pdfIn PDF document text
- https://www.twibiotech.com/plugin/ce1/ckfinder/userfiles/files/11298651599.pdfIn PDF document text
- http://malir-naterac.info/UserFiles/File/16446618350.pdfIn PDF document text
- https://artesapanaderia.xyz/aym_image/files/vimosigun.pdfIn PDF document text
- https://www.jemelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b4cec726c5---sepekitenuvujokifudabeli.pdfIn PDF document text
- http://youzedu.com/ckimages/files/20210917211227908401.pdfIn PDF document text
- https://minhgianggroup.vn/upload/files/69064815737.pdfIn PDF document text
- https://www.ferienhof-schneider.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613decacc8d49---2624719812.pdfIn PDF document text
- http://dailymaydemtien.com/userfiles/files/55920141946.pdfIn PDF document text
- http://mackielaw.net/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/tamozubigidimararupuwaj.pdfIn PDF document text
- http://st-communications.com/ckfinder/userfiles/files/66414269188.pdfIn PDF document text
- http://ilonew.tasksplan.com/ckfinder/userfiles/files/29856496726.pdfIn PDF document text
- http://redskap.ru/userfiles/file/zajufewazos.pdfIn PDF document text
- http://carbonelite.ru/file/sujalewufasaviwivomejof.pdfIn PDF document text
- https://avis-medical.ma/wp-content/plugins/super-forms/uploads/php/files/40683745f4608bf325326152eb1fb12d/gigazevopewevusulaw.pdfIn PDF document text
- http://gorisum.net/fckeditor/upload_file/file/vapidexofiponofuniwen.pdfIn PDF document text
- http://hum-lucknow.org/test/fckeditor/file/xazupo.pdfIn PDF document text
- http://ecolservizinettuno.com/userfiles/files/89509479957.pdfIn PDF document text
- http://bftt.marketsearching.com/upload/files/17671634579.pdfIn PDF document text
- http://subventionsbetrug.de/wp-content/plugins/super-forms/uploads/php/files/jr6v3o6b2am5g94hholva7r3lg/11514031469.pdfIn PDF document text
- https://lenaoyunlar.net/calisma2/files/uploads/7447650240.pdfIn PDF document text
- http://debeleven.net/UserFiles/File/6200274302.pdfIn PDF document text
- 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_off0000c219.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC219 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000da2b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA2B | 15836 bytes |
SHA-256: 6bc83d181a79c1f5e66a440050d3509b0000e2632a5328a6975366e8228ce5f3 |
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font_02_sfnt_off00010314.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10314 | 10912 bytes |
SHA-256: 869beb9c7224a6c5fb525419e2a83fbd27baecce885231163ef300db85a6b5be |
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