MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs pointing to various domains, many of which appear to be compromised or disposable hosting. Heuristics indicate this is a link farm designed to direct users to external malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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://allytemp.ru/uplcv?utm_term=sexy+baseball+apk+download PDF link annotation
- https://www.kuwaitpolyurethane.com/ckfinder/userfiles/files/81021131283.pdfIn PDF document text
- https://www.xcelsus.de/wp-content/plugins/formcraft/file-upload/server/content/files/16136a651b52cf---sokufipuwi.pdfIn PDF document text
- http://shouce-image.kuchuancdn.com/Public/resource/files/vipabu.pdfIn PDF document text
- http://another-partner.morefriendship.com/upload/files/61122685990.pdfIn PDF document text
- http://veterina-naslunci.cz/userfiles/file/94578759335.pdfIn PDF document text
- http://rw-hse-businessconsulting.de/userfiles/file/gikovade.pdfIn PDF document text
- http://langeline.com/ckeditor/upload/files/pigosuv.pdfIn PDF document text
- http://vietcem.vn/public/default/ckeditor/files/xabotadumirego.pdfIn PDF document text
- https://gretajensen.com/ckfinder/userfiles/files/takadozadotirigitiz.pdfIn PDF document text
- http://bamboomfi.com/htdocs/cljr/data/files/fokife.pdfIn PDF document text
- http://haithuanphat.com/uploads/files/40024589852.pdfIn PDF document text
- http://doanekeyes.com/userfiles/docs/geropararinomozuriwiput.pdfIn PDF document text
- http://hotstamping.pl/files/file/tasazudab.pdfIn PDF document text
- http://utpcomp.ru/uploads/files/sefosijarokawarig.pdfIn PDF document text
- http://www.cda.org.hk/ckfinder/userfiles/files/kinawib.pdfIn PDF document text
- https://vibangthuaphatlai.net/uploads/files/85968938106.pdfIn PDF document text
- http://www.airportlimofortlauderdale.net/wp-content/plugins/formcraft/file-upload/server/content/files/1613933396fe88---mekopumozefikakamotuw.pdfIn PDF document text
- http://www.stallionreadymix.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16130947e87f15---tixijupag.pdfIn PDF document text
- http://perfectprojects.ro/userfiles/file/jibedididizufarafunigef.pdfIn PDF document text
- http://fortlauderdalelimorental.net/wp-content/plugins/formcraft/file-upload/server/content/files/1613493986e349---newiduka.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_off0000c421.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC421 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000dc38.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC38 | 10704 bytes |
SHA-256: 3cb770d49e174a218aba229c74bb2f386b5ff562b09ba59e5c29b704c30cfde8 |
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font_02_sfnt_off0000f4c6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4C6 | 20364 bytes |
SHA-256: b93e480f41a32ea864977293fca736c46eff70b827cf1890384ec69db5dbdb57 |
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