MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised websites or disposable hosting, indicative of a link farm designed to lure users to 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 0.9980
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://coretry.ru/uplcv?utm_term=anatomy+and+physiology+of+eye+khurana PDF link annotation
- http://mzch.pl/userfiles/file/52882575845.pdfIn PDF document text
- https://clubslotalmatriche.com/calcas/file/sajefirimedum.pdfIn PDF document text
- http://mariekevanvlierden.nl/survey/userfiles/files/24706392010.pdfIn PDF document text
- http://vinabomi.com/uploads/userfiles/file/62689362015.pdfIn PDF document text
- http://www.lebedosapartotel.com/data/yukle/files/86771341924.pdfIn PDF document text
- https://hensuyenpqa.traigiongthuha.com/ckfinder/userfiles/files/vojopinilaxazof.pdfIn PDF document text
- http://otelm4b.ru/admin/ckfinder/userfiles/files/pariditekuxad.pdfIn PDF document text
- http://clearlakesd.org/wp-content/plugins/formcraft/file-upload/server/content/files/16130f2975120e---27635010751.pdfIn PDF document text
- http://ppfi-online.com/userfiles/file/pawiz.pdfIn PDF document text
- http://ozkayalarlojistik.com/userfiles/file/7971196867.pdfIn PDF document text
- https://lokmangal.co.in/wp-content/plugins/super-forms/uploads/php/files/48076b4c225c4c9e6e93e7c5bcff90e2/227122762.pdfIn PDF document text
- https://easresidence.ro/app/webroot/files/userfiles/files/39813183266.pdfIn PDF document text
- http://inlovehuahin.com/file_media/file_image/file/74141282180.pdfIn PDF document text
- https://www.enviedecrire.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141564967484---73423512299.pdfIn PDF document text
- http://ride.hu/images/uploads/files/mezaguvupifetisite.pdfIn PDF document text
- https://huangs.tw/uploads/files/202109042031409624.pdfIn PDF document text
- http://kamkmori.cz/ckfinder/userfiles/files/tedimuvepudaribofo.pdfIn PDF document text
- https://aokman-drive.com/d/files/16215646145.pdfIn PDF document text
- https://www.kadinlarsitesi.org/wp-content/plugins/formcraft/file-upload/server/content/files/16138c4b9c3857---77945439219.pdfIn PDF document text
- http://artikos.pl/userfiles/file/xegutu.pdfIn PDF document text
- https://www.psk.com.au/application/third_party/ckfinder/userfiles/files/futasekerisidefatisebaxix.pdfIn PDF document text
- http://potentialdesign.cn/userfiles/file/1632076209.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_off0000c36a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC36A | 16424 bytes |
SHA-256: d5eb72ca46d621bf960cd14496ff10987eec340735c324d60e4f86435d5b00b6 |
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font_01_sfnt_off0000edf4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDF4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001060b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1060B | 11232 bytes |
SHA-256: 535293fac10b4dabc4a2541d1926a376632455069d3aa3cd87bc64954c300568 |
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