MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF document contains numerous embedded URLs, many of which point to compromised WordPress sites or disposable hosting, indicating a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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://philabc.ru/uplcv?utm_term=manual+para+aprender+nahuatl+pdf PDF link annotation
- https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130959f7a6b9---93255428186.pdfIn PDF document text
- https://pianotuningdarwin.com/userfiles/files/sesimuwuzuretaxidesorun.pdfIn PDF document text
- https://legouic-peinture.fr/userfiles/file/94531316087.pdfIn PDF document text
- http://irvinenott.co.uk/ckfinder/userfiles/files/fedoxetuwapofawusopu.pdfIn PDF document text
- http://elosc.com/upFile/file///ITX202109032231095497.pdfIn PDF document text
- https://manajrgvaaradhi.com/cms-uploads/files/suzuxogupan.pdfIn PDF document text
- http://machinegroup.ru/img/outer/files/31397698818.pdfIn PDF document text
- https://massagetheory.ca/wp-content/plugins/super-forms/uploads/php/files/5fced69d5ad46126a10cffbdc442a73d/vopudagepit.pdfIn PDF document text
- http://gutachterbewertung.de/userfiles/file/96551479823.pdfIn PDF document text
- http://xn--80aafbkbafwdti1ahihccrg.xn--p1ai/pict/file/ditofebosusamolagu.pdfIn PDF document text
- http://bangdinhphucat.com/quangbasanpham/app/webroot/upload/image/files/2345757332.pdfIn PDF document text
- http://familiehollander.nl/images/uploadedimages/file/bibosijasejuvupivaxosida.pdfIn PDF document text
- http://topopentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/161322a1b56d46---tireni.pdfIn PDF document text
- https://perfecthospital.org/FCKeditor/file/65904791966.pdfIn PDF document text
- https://abofahed.com/userfiles/file/zobawuxidopobobojakunakek.pdfIn PDF document text
- http://citysoupsbellevue.com/uploads/files/rasipepamigokusoxevorakik.pdfIn PDF document text
- http://chapaconoticias.com/assets/ckfinder/core/connector/php/uploads/files/noroxam.pdfIn PDF document text
- https://sharenkon.com/files/mepodunapavapugisarudetoj.pdfIn PDF document text
- https://siyata.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/16130592b21024---16486948276.pdfIn PDF document text
- http://gospelpour100voix.com/fichiers/newsletter/file/56117141719.pdfIn PDF document text
- http://sonnenheizungen.ch/fckeditor/editor/images/file/87790720349.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_off00013ba4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13BA4 | 10308 bytes |
SHA-256: baee08ca38510eb001accc05c0ac81fd477c2126eec702809177f18599ffad44 |
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font_01_sfnt_off000152bf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x152BF | 21660 bytes |
SHA-256: d806a1ee59f55bf8fcab5762dd26dda8f2dbbf0de027eb74bf5b0e69cc95932a |
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font_02_sfnt_off000189e9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x189E9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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