MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. It contains numerous embedded URLs that point to compromised CMS uploads and disposable hosting, suggesting it functions as a link farm to distribute malicious content or phish users. No scripts were extracted, but the presence of external URIs and the link farm structure indicates a likely intent to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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://ketchas.ru/uplcv?utm_term=java+edition+minecraft+1.17 PDF link annotation
- https://www.lokalesichtbarkeit.de/wp-content/plugins/super-forms/uploads/php/files/pv6ln5k9325pobrg75ab793kmu/duzipiwivifukubasafiva.pdfIn PDF document text
- https://argentinaproduct.com/ckfinder/userfiles/files/xigagovatoferagizixe.pdfIn PDF document text
- http://sabaispa.net/userfiles/file/78412534589.pdfIn PDF document text
- https://alibrahimtravel.com/mycms/uploadedimages/editorUploadedImages/file/fetatojugafudovasagep.pdfIn PDF document text
- https://kocarbon.vn/luutru/files/39629368412.pdfIn PDF document text
- http://synhbio.com/upload/files/86353829373.pdfIn PDF document text
- http://yummyschool.com/_UploadFile/Images/file/fapox.pdfIn PDF document text
- https://petroblend.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d9c139181e---fugagukidowubudijid.pdfIn PDF document text
- http://optometrystaprzemysl.pl/userfiles/file/zedegigikebivo.pdfIn PDF document text
- http://www.offshoreyachts.net/web_upload/editor/files/jefujofimomi.pdfIn PDF document text
- http://rentaruedas.com/files/others/12585018133.pdfIn PDF document text
- http://nutrizionisti.eu/public/thread/risorse/file/jowuvuru.pdfIn PDF document text
- http://mikomisushi.com/uploads/files/66395321955.pdfIn PDF document text
- https://formapolis.it/wp-content/plugins/super-forms/uploads/php/files/2670635f7ebee5a423266273329e761e/89467182380.pdfIn PDF document text
- http://olsztyntransportmedyczny.pl/userfiles/file/kinuk.pdfIn PDF document text
- https://sherwoodchamber.org/ckfinder/userfiles/files/berupelulaguworevimim.pdfIn PDF document text
- http://chamdure.com/DATA/files/64031009041.pdfIn PDF document text
- http://wksystems.net/HotelEstimator/userfiles/file/piwovoporuwabazi.pdfIn PDF document text
- https://spyboarcams.com/files/12066299488.pdfIn PDF document text
- http://naturestuff.nl/siteimages/file/gajudotesu.pdfIn PDF document text
- http://hanmih.com/userfiles/file/20210920100703.pdfIn PDF document text
- http://emke.hu/uploads/ckfinder/userfiles/files/86025339718.pdfIn PDF document text
- http://jubileejec.com/userfiles/files/78251699826.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_off0000c4f7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC4F7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000dd09.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD09 | 19444 bytes |
SHA-256: 0cfd45feff3d75e9a7d9bf91034e5f2c3274f56c3d88163799b0958cc4a9b58c |
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font_02_sfnt_off00010f08.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F08 | 10648 bytes |
SHA-256: 6d560b9f71d312b357bac8a950c05eaff5dc61f5d006f3ea483d2b5edfe706d1 |
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