MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded URLs, many of which point to compromised CMS upload directories or disposable hosting, indicating a link farm designed to redirect users to potentially malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution through these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9966
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://keralabiblesociety.com/fck_uploads/file/87124179418.pdf In PDF document text
- http://danies.ru/ckfinder/userfiles/files/17262625832.pdfIn PDF document text
- http://diversecityuk.com/userfiles/file/80799815284.pdfIn PDF document text
- http://sakirnoopo.ru/wp-content/plugins/super-forms/uploads/php/files/755b0c22af995c469e9cf6c8d9b16546/tosuko.pdfIn PDF document text
- https://arvikabc.com/images/uploadedimages/file/tedogonuguwalikujerate.pdfIn PDF document text
- https://lalicorne-hotel.com/userfiles/file/98518163740.pdfIn PDF document text
- https://webmakler.org/userfiles/file/wedenemuroku.pdfIn PDF document text
- http://vishwkarmaenterprises.com/webroot/img/userfiles/files/53841743184.pdfIn PDF document text
- https://blugarden.eu/file/55486572392.pdfIn PDF document text
- https://www.yoursurveysurveyors.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160b8544279d19---82092058585.pdfIn PDF document text
- http://alpha-cp.com/userfiles/file/divurewiloxuwopevo.pdfIn PDF document text
- http://host.keraladreamhomes.com/~viswabrahmathach/admin/fckeditor/editor/filemanager/connectors/php/userfiles/file/82131325076.pdfIn PDF document text
- http://kirilmazbardak.com/userfiles/file/kutazasabo.pdfIn PDF document text
- https://kimansion.com/uploads/file/30153979172.pdfIn PDF document text
- http://conservationenergy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075e4e6280b9---wabigoxememug.pdfIn PDF document text
- https://charqueadaboavista.com.br/wp-content/plugins/super-forms/uploads/php/files/9246a412f838cf74f3a18e785972697f/27201594126.pdfIn PDF document text
- https://marksiegeldds.com/wp-content/plugins/super-forms/uploads/php/files/8c9c3358e54b871682850659472fee30/fidabogexa.pdfIn PDF document text
- https://wedding-photos.cz/userfiles/file/27322494562.pdfIn PDF document text
- http://www.191seo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086ebde53312---ruliveme.pdfIn PDF document text
- http://yuli-china.ru/d/files/16311450032.pdfIn PDF document text
- http://tvoirostov.ru/ckfinder/userfiles/files/luredegajad.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=normal+gaussian+distribution+pdfPDF 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_off0000ecc7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECC7 | 20040 bytes |
SHA-256: 07be07378b9d48d6529ed6e87d638c49f78cdbd81b49d94511c0361d22632c96 |
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font_01_sfnt_off000121b2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x121B2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000139c9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x139C9 | 10928 bytes |
SHA-256: 9040ffaa261dc32fd728f24105c2f67ae82e5d0dd95eaeead1ed05284d744ff9 |
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