MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by ML classifiers and ClamAV as malicious, indicating a high likelihood of malicious intent. Several heuristics point to the use of link farms hosted on compromised CMS uploads and disposable hosting, suggesting a phishing or redirection scheme. The embedded URLs, while numerous, do not provide a clear second-stage payload, but the overall structure strongly suggests a malicious redirection attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9893
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 http://pijntherapie.be/uploads/files/26809353797.pdf In PDF document text
- https://yogaspotny.com/userfiles/file/1517003236.pdfIn PDF document text
- http://advertisingreports.info/assets/ckfinder/core/connector/php/uploads/files/gimavoruwurinodesevegegas.pdfIn PDF document text
- https://www.toptalentusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/161580ebce1107---40938717790.pdfIn PDF document text
- http://cerritos.songhakbbq.com/uploads/files/30200843374.pdfIn PDF document text
- http://newtarrytowndeli.com/uploads/files/jobivafikujebanaj.pdfIn PDF document text
- https://signika.pl/Upload/file/kegofenolibuminepanujuviv.pdfIn PDF document text
- http://www.prakashirrigation.com/uploads/fck/files/84373922243.pdfIn PDF document text
- https://netpage.info/userfiles/file/jatupijumojakozinuguza.pdfIn PDF document text
- http://wmsone.com/eimages/file/36074324105.pdfIn PDF document text
- http://markasib.ru/ckfinder/userfiles/files/rujoxuberixob.pdfIn PDF document text
- https://autoprofi.ua/userfiles/file/sevedi.pdfIn PDF document text
- http://hasicimosnov.cz/foto/Image/file/70519933637.pdfIn PDF document text
- http://www.iso-clean.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16143aa4d359e8---6826213923.pdfIn PDF document text
- http://gzcil.com/uploadfile/files/65807176171.pdfIn PDF document text
- http://heyumpnd.com/userfiles/file///92577638865.pdfIn PDF document text
- http://cathugo-yachts.de/res/wysiwyg/file/xinulitokegewefefanebow.pdfIn PDF document text
- https://www.cfo-search.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613529a62bff0---dozumodawolokazadevo.pdfIn PDF document text
- https://clifestyle.net/uploades/userfiles/file/90214953076.pdfIn PDF document text
- http://kiajihlava.cz/UserFiles/File/vujokovorogasufolub.pdfIn PDF document text
- http://royalleasingny.com/admin/images/file/padimivetudiwegojovuf.pdfIn PDF document text
- http://playoz.com/ckfinder/userfiles/files/robutoberaliruzumopit.pdfIn PDF document text
- https://synodradomski.pl/userfiles/file/jixonabupasokezusifole.pdfIn PDF document text
- http://omniatel.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613efe8aad86e---turegikoluwedapid.pdfIn PDF document text
- http://posuni.com/userfiles/file/52289840098.pdfIn PDF document text
- http://test-immo.com/file/78780964054.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=27+degrees+c+to+fPDF link annotation
- 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_off0000b39e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB39E | 16740 bytes |
SHA-256: 7f7c9eb30c885e813788634166c6f3cc0774d51f5cb2402bad6b22734389d49b |
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font_01_sfnt_off0000de4b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE4B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f662.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF662 | 10320 bytes |
SHA-256: 2985fe7cb93324618b318a5b2156c8d135f01a7bb4ac47597d6a278f8f72faef |
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