MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs that point to compromised websites and disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of multiple PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics further supports this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
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://inwebjor.ru/uplcv?utm_term=bengali+keyboard+app PDF link annotation
- https://ferado.vn/userfiles/file/42302469327.pdfIn PDF document text
- http://sluchatka-shop.cz/files/upload/files/jodobozomamelidopusananaz.pdfIn PDF document text
- http://aygroupmuh.com/image/files/wividexusajo.pdfIn PDF document text
- http://liceoadultos.juniorcollege.cl/userfiles/files/26642597579.pdfIn PDF document text
- http://patrickstaxi.fr/userfiles/file/54522839127.pdfIn PDF document text
- http://cbelmira.com/wp-content/plugins/super-forms/uploads/php/files/24f0ce6be534f7b4560899762f344008/ridomipinapul.pdfIn PDF document text
- http://barrarioservicos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613316801aad8---11825852578.pdfIn PDF document text
- http://www.hon-ro.hu/userfiles/files/tosarijodesavigudolumi.pdfIn PDF document text
- https://simovi.mx/wp-content/plugins/formcraft/file-upload/server/content/files/16138e6310752e---pivajapisiliwozu.pdfIn PDF document text
- http://manhchenang.vn/webroot/img/files/savixufafusej.pdfIn PDF document text
- https://charming-dc.com/uploads/files/202109031247351575.pdfIn PDF document text
- http://pokewaveanaheim.com/uploads/files/11293223079.pdfIn PDF document text
- https://petroblend.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135bffc82946---30344176215.pdfIn PDF document text
- http://transcash.com/ci/userfiles/files/35631088305.pdfIn PDF document text
- http://argra.rs/wp-content/plugins/formcraft/file-upload/server/content/files/16131c2fb2af9e---tiwurefuzobibomo.pdfIn PDF document text
- http://laihoawedding.com/app/webroot/upload/files/ramujevobaz.pdfIn PDF document text
- http://mamam.by/upload/File/file/39021508699.pdfIn PDF document text
- http://rentaruedas.com/files/others/korivone.pdfIn PDF document text
- https://apz-arte.com/ckfinder/userfiles/files/26655356841.pdfIn PDF document text
- http://gianniarnaudo.com/userfiles/files/redutijaralelekip.pdfIn PDF document text
- https://www.drmarlenebothma.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/161309d0c84f39---lupiwopedute.pdfIn PDF document text
- https://x-leather.com/radsportfiles/file/55629774798.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_off0000ccce.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCCCE | 18016 bytes |
SHA-256: 677cbf49f37d8147527e757d6b3d273217ec585f2927de823ae85760811c40d2 |
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font_01_sfnt_off0000fb96.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB96 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000113ad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x113AD | 10700 bytes |
SHA-256: 131becd7c0ab89c70724895beee3b556498f58682e5008389e847e9cf96c009f |
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