MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, many of which point to disposable hosting or compromised CMS uploads, indicating a link farm designed to redirect users. ClamAV detected this file as Pdf.Phishing.Trojan, and ML classification strongly suggests malicious intent. The presence of external URIs and link farms points towards a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9840
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://wastran.ru/uplcv?utm_term=gujarati+sahitya+book+pdf+free+download PDF link annotation
- https://biserica-izvorul-tamaduirii.ro/files/65057520065.pdfIn PDF document text
- http://akcjonariusz.com/UserFiles/file/podalotari.pdfIn PDF document text
- https://sitpchemcieszyn.pl/_sitpchem/file/mapope.pdfIn PDF document text
- http://ryanoomen.nl/uploadimages/files/winazisafavotuxopufozupos.pdfIn PDF document text
- https://aldapa.eus/files/galeria/files/nipaned.pdfIn PDF document text
- http://kesifveotesi.com/files/lekimibofegafe.pdfIn PDF document text
- http://www.psoevalledeabdalajis.es/ckfinder/userfiles/files/38431861918.pdfIn PDF document text
- http://cs-golfclub.com/ckupload/files/venixuliwosejipogibut.pdfIn PDF document text
- http://recamonde.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613536fbf3de9---36586435495.pdfIn PDF document text
- https://www.yoursurveysurveyors.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/161396b205315b---91030701665.pdfIn PDF document text
- https://indicaperu.com/userfiles/file/navilow.pdfIn PDF document text
- http://kuwaited.com/cote_dor_import/admin/ckfinder/userfiles/files/gejimegevusobefunavolo.pdfIn PDF document text
- http://studioesflores.pl/obrazy/file/73450864788.pdfIn PDF document text
- http://www.firstpages.eu/app/webroot/files/userfiles/files/tugagopetezotazipov.pdfIn PDF document text
- http://jeanthompson.nl/ckfinder/userfiles/files/32518252102.pdfIn PDF document text
- http://sorokolaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/mumelitufaxiwujik.pdfIn PDF document text
- https://ckfinder.pamlskovnik.cz/ckfinder/userfiles/files/25434109028.pdfIn PDF document text
- http://jnmindia.com/outscapes/admin/ckeditor/uploads/ck/files/giximesugupexitu.pdfIn PDF document text
- http://sswjeans.com/files/tetebalobolok.pdfIn PDF document text
- http://adabaskimerkezi.com/upload/file/rexajijomuzilosevotulower.pdfIn PDF document text
- https://sinarlangit1.com/contents/files/55439411167.pdfIn PDF document text
- https://laznia-radom.pl/userfiles/file/37619159791.pdfIn PDF document text
- http://vitanova-cattery.com/upload/file/99699873729.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136f0da40f7f---24527199724.pdfIn PDF document text
- http://sushiyaslo.com/uploads/files/26367355545.pdfIn PDF document text
- https://feldmann-spedition.de/pics/userfiles/file/30179213611.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_off0000c365.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC365 | 11296 bytes |
SHA-256: 3c1d2e23281b79c6402dce1f0ec1bcfa4bfe3c5e1ac5596bbf28c66d4c8e8e0c |
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font_01_sfnt_off0000ddbc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDBC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f5ce.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5CE | 17280 bytes |
SHA-256: eefe04664c450343cc7a44e9c00afb6d5493dfda23f9bc1d867dfcb4265b3591 |
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