MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which point to compromised CMS upload storage or disposable hosting, suggesting a link farm designed to redirect users. ClamAV and ML classifiers strongly indicate malicious intent, likely phishing or malware distribution. The presence of external URIs and link farms points to a tactic of directing users to external malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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 http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/dpbtaqsuitmbndib6b7iljqa54/5972001220.pdf In PDF document text
- https://superchills.com/userfiles/file/96057683777.pdfIn PDF document text
- http://petraifevronii.ru/ckfinder/userfiles/files/17209585265.pdfIn PDF document text
- http://khojedu.net/userfiles/file/pamosutixunitix.pdfIn PDF document text
- http://www.mondzorgvesa-voorschoten.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161375b5d97339---tulosekajimowugetaluk.pdfIn PDF document text
- https://sbsoftware.ro/admin/userfiles/file/nujoliwofubusi.pdfIn PDF document text
- http://thewellmanteam.com/userfiles/files/sanir.pdfIn PDF document text
- https://dbjadow.pl/attachments/file/34622941339.pdfIn PDF document text
- http://myucmas.com/userfiles/file/teduj.pdfIn PDF document text
- http://xn--or3bo5mvlb.com/data/editor/file/bolaxedadimive.pdfIn PDF document text
- http://hauptlawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/majojogotejikutulesam.pdfIn PDF document text
- https://www.superioreagle.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136b5d4b8787---libavawusifufodetekuruk.pdfIn PDF document text
- https://99shayari.in/userfiles/files/rozubuzububebinidupoma.pdfIn PDF document text
- http://admio.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16131f4bf37305---94742031116.pdfIn PDF document text
- https://www.mppoa.cloudlinesystems.com/assets/ckfinder/userfiles/files/14986897872.pdfIn PDF document text
- https://ballestermultiservicios.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ddae34b7f9---mefobu.pdfIn PDF document text
- http://rw-hse-businessconsulting.de/userfiles/file/dobosuxuw.pdfIn PDF document text
- http://l-max.ru/userfiles/file/jovuzusidavino.pdfIn PDF document text
- http://nbkhjc.com/uploads/202109/file/210906223834616073mu27k283m196.pdfIn PDF document text
- https://cncunse.com/d/files/33209150622.pdfIn PDF document text
- https://suacuacuontoanphat.com/upload/files/61036130022.pdfIn PDF document text
- http://vako.vn/app/webroot/uploads/files/45857467217.pdfIn PDF document text
- https://lotte-ppta.net/beta/assets/file/wizasitikip.pdfIn PDF document text
- http://chayka-svg.ru/files/27290910856.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=how+do+people+hack+into+phonesPDF 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_off0000c296.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC296 | 10680 bytes |
SHA-256: 87dfe3628c1cfc7d3f2749bb817bac87d80ce89df89f18147652975dd1e9cbbd |
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font_01_sfnt_off0000db0b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB0B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f31d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF31D | 15304 bytes |
SHA-256: e3460c4564f3cd13eb6a4b334d505c9fa02b2c3e40b44fc898768c422be4c522 |
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