MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs that form a link farm, directing users to potentially malicious sites. Heuristics indicate these links are often hosted on compromised CMS uploads or disposable hosting, suggesting a phishing or malware distribution scheme. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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://huntic.ru/uplcv?utm_term=compound+angle+formula+proof PDF link annotation
- https://tungafilm.com/dorceiys/ckfinder/userfiles/files/kefazewedivapu.pdfIn PDF document text
- https://bibonatura.hu/ckfinder/userfiles/files/75702781501.pdfIn PDF document text
- http://ingore.cn/upload/files/10041115165.pdfIn PDF document text
- http://rc-saty.cz/gais/image/file/ropane.pdfIn PDF document text
- http://baltic-rt.ru/ckfinder/userfiles/files/riretumugubunajafomedolem.pdfIn PDF document text
- http://cheevalome.com/image/upload/File/xipegorufokitokoxel.pdfIn PDF document text
- https://www.rath-catering.de/wp-content/plugins/formcraft/file-upload/server/content/files/1612fc350ee5c5---pakawowapilavodixaxux.pdfIn PDF document text
- https://popa.com.br/wp-content/plugins/super-forms/uploads/php/files/baa3bf31cb4470b4a7d370107adcd3d2/jemot.pdfIn PDF document text
- http://kapelski.pl/userfiles/file/16668071215.pdfIn PDF document text
- http://itineraire-consulting.com/ckfinder/userfiles/files/95476935298.pdfIn PDF document text
- https://cihangirhotel.com/upload/ckfinder/files/lesuwufasivulibowelim.pdfIn PDF document text
- https://bodzlomu.com/userfiles/file/ketamodejevepozi.pdfIn PDF document text
- https://ilonew.tasksplan.com/userfiles/files/newenawagafowukanil.pdfIn PDF document text
- https://nakatarikaszel.pl/app/webroot/userfiles/file/24841977919.pdfIn PDF document text
- http://tbvshungviet.com/upload/files/66552351307.pdfIn PDF document text
- http://www.masozilina.sk/ckfinder/userfiles/files/92687437488.pdfIn PDF document text
- http://premiumresourcing.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a94627356f---80406063965.pdfIn PDF document text
- http://meetburgerusa.com/uploads/files/pawetidudukevavesuvabuj.pdfIn PDF document text
- https://reazfarah.com/ckfinder/userfiles/files/pizusezaxonu.pdfIn PDF document text
- http://faw-asia.com/image/upload/files/40960044354.pdfIn PDF document text
- https://pluckywize.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ba43a45802---49281088821.pdfIn PDF document text
- http://lncxjzxxw.com/upload_fck/file/2021-9-19/20210919123643333519.pdfIn PDF document text
- http://jsqnchem.com/upload/files/96609783162.pdfIn PDF document text
- http://fxlcd.com/upload/file/zinizubufuxubiruzakujepo.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_off0000d6ce.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6CE | 10612 bytes |
SHA-256: 6e19da36863b19f63b7518fa20432c04f00c8a7d283b6b5fe51f8e0a7fe45870 |
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font_01_sfnt_off0000eece.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEECE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000106e0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x106E0 | 19180 bytes |
SHA-256: 1cb11af40c5dc9b84891cf6bbafe75220093f13ba48039c754ccb4be9fcfbf0f |
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