MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains embedded JavaScript and numerous external URIs, many of which point to compromised websites or disposable hosting, indicating a link farm designed to redirect users to 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 0.9980
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://laborke.ru/uplcv?utm_term=chocolate+fever+pdf PDF link annotation
- http://087334211.kad.tw/kads/ckfinder/userfiles/files/woralorozasawedip.pdfIn PDF document text
- https://parquesanalbertohurtado.cl/ckfinder/userfiles/files/25914203048.pdfIn PDF document text
- http://studiogiamberardino.it/userfiles/files/gulogolanaretewu.pdfIn PDF document text
- https://www.hasmow.com.au/application/third_party/ckfinder/userfiles/files/77047870148.pdfIn PDF document text
- http://pi-consulting.ch/download/rivoputobiguj.pdfIn PDF document text
- https://sanghvicranes.com/staging/media/larenatinedute.pdfIn PDF document text
- https://transmilenio.net/datamont/userfiles/file/gosabasonumumo.pdfIn PDF document text
- http://geometramaurotozzi.it/userfiles/files/dakunudakubefo.pdfIn PDF document text
- http://misosmile.com/upload/editor/files/52211481579.pdfIn PDF document text
- http://nassagroup.org/app/webroot/js/ckfinder/userfiles/files/42375728974.pdfIn PDF document text
- https://www.kiteschule-kiel.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613f39dd52e11---4310427563.pdfIn PDF document text
- http://graphicon.hu/wp-content/plugins/formcraft/file-upload/server/content/files/16131b1a294f6b---18272153965.pdfIn PDF document text
- https://www.fecomerciomg.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/161321c9d8dbbf---teroxiniwitugevaraw.pdfIn PDF document text
- https://appvid.eus/userfiles/files/68761264354.pdfIn PDF document text
- http://www.taxivanclass.com/uploads/ckfinder/files/70972967668.pdfIn PDF document text
- http://playonathletics.com/userfiles/file/levezupipij.pdfIn PDF document text
- http://muzeumostrowiec.pl/obrazy/file/xosasu.pdfIn PDF document text
- http://aylabawadi.ae/userfiles/file/46047216302.pdfIn PDF document text
- https://livresdarts.com/ckfinder/userfiles/files/mefemakiw.pdfIn PDF document text
- http://kssi.ir/public/userfiles/file/75579523979.pdfIn PDF document text
- https://floresdeserrezuela.com/aym_image/files/51371564504.pdfIn PDF document text
- http://tachikawa-derma.biz/ckfinder/userfiles/files/66189737739.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_off0000dce2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDCE2 | 22176 bytes |
SHA-256: 70aff00cfa93a6b70ec9a6d03028ecab4e3c3066c7423e2a7be274406d355104 |
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font_01_sfnt_off00011574.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11574 | 10448 bytes |
SHA-256: ab80aefc9b8cade8646ae0bbaabb798961f333bb7ebdccf0d63ccb074278f8a6 |
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font_02_sfnt_off00012d60.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12D60 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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