MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 User Execution: Malicious Link
The PDF contains numerous embedded URLs pointing to various domains, many of which appear to be associated with compromised CMS uploads or disposable hosting, indicating a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly support its malicious nature. The document's structure and URL patterns are consistent with a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 7
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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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QR-code redirect lure medium SE_QR_LUREDocument instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
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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://kingsfci.com/userfiles/file/97330577365.pdf In PDF document text
- http://kcemsp.org/upload/editor/file/22493051813.pdfIn PDF document text
- https://kes-stv.ru/wp-content/plugins/super-forms/uploads/php/files/67582caf9c7336a3fb71b0372190dc86/bitokokuro.pdfIn PDF document text
- http://paymentsbusiness.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1612f2f1b77f6a---dowegikowobemadinexo.pdfIn PDF document text
- https://hobbypet.cz/files/file/reronoder.pdfIn PDF document text
- http://short-story.ru/upload/file/34505458344.pdfIn PDF document text
- https://www.truesdalepainting.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141892f32f78---62706842147.pdfIn PDF document text
- http://derkwoo.com/upload/editor/files/jiwisaw.pdfIn PDF document text
- https://www.kiteschule-eckernfoerde.de/wp-content/plugins/formcraft/file-upload/server/content/files/16132ade01b907---55383091286.pdfIn PDF document text
- https://hotnews.md/upload/userfiles/files/vibufomada.pdfIn PDF document text
- http://www.kevinbrooks.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613b7e335603a---10395140611.pdfIn PDF document text
- http://dienlanhhuubinh.com/upload/files/zowurobunex.pdfIn PDF document text
- http://geoplan.su/userfiles/file/misezeguvelawalu.pdfIn PDF document text
- https://celovechurch.org/wp-content/plugins/super-forms/uploads/php/files/14b1894bf1e8ab8158f95d66fbd1c277/66364524077.pdfIn PDF document text
- http://skuplaptop.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16142823190451---zipipameketupukunivifufe.pdfIn PDF document text
- https://loffoxfitness.mvwebsolution.com/userfiles/files/kipef.pdfIn PDF document text
- http://dr-onesrl.com/userfiles/files/68406778661.pdfIn PDF document text
- http://kuehllawpc.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/85135926407.pdfIn PDF document text
- https://suavitinhtannha.net/upload/files/ravoj.pdfIn PDF document text
- http://studioarchperissinotto.eu/userfiles/files/mozezizimamawukanijota.pdfIn PDF document text
- http://semanbio.com/upload/files/fudipopajupikatifa.pdfIn PDF document text
- http://dreamwith.gni.kr/ckupload/files/xurapawotis.pdfIn PDF document text
- https://nuevocoach.co.uk/wp-content/plugins/super-forms/uploads/php/files/859b54ceb3ff965ffe061263a21e2027/47338777337.pdfIn PDF document text
- http://miryangpension.com/FileData/ckfinder/files/20210916_ECAAB6C022597930.pdfIn PDF document text
- http://businessplan-capalpha.eu/mbp/upload/images/images/upload/ckfinder/mibol.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=how+to+view+android+wifi+passwordPDF 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_off0000dfce.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFCE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f7e0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7E0 | 17896 bytes |
SHA-256: de918586891f14ebaf495af63b1e5753786e0867e8c96e4e1a93f473d5194796 |
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font_02_sfnt_off00012665.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12665 | 10588 bytes |
SHA-256: 66b9968f54cd91178ad2084c466112106fb1ab47da0835b67a5413cee93f0fee |
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