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 CMS upload directories or disposable hosting, indicating a link farm designed to distribute malicious content. The ClamAV detection and ML classifier strongly suggest malicious intent, likely phishing or malware delivery through these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://www.humillacionyestrella.org/ckfinder/userfiles/files/zudelujisomoxiru.pdf In PDF document text
- http://peoplefineart.com/assets/202108/files/20210821235742379133.pdfIn PDF document text
- http://plusbateria.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f39e4fe0b99---miluxobawexad.pdfIn PDF document text
- https://lakecountyoralsurgery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160abb43777ef3---50022072179.pdfIn PDF document text
- https://parklanehotel.asia/userfiles/file/bedoditejalajur.pdfIn PDF document text
- http://csc-021.com/userfiles/file/20210726123336_zltv8t.pdfIn PDF document text
- https://teenvolunteerdallas.org/wp-content/plugins/super-forms/uploads/php/files/513d5b013c8cf93a94ebbc6befff885b/20460522266.pdfIn PDF document text
- http://jiehuist.com/userfiles/files/gisago.pdfIn PDF document text
- https://bold-iot.com/uploads/files/202108132333323860.pdfIn PDF document text
- https://kassa-evotor.ru/wp-content/plugins/super-forms/uploads/php/files/6mp3nju5n0q0rdmtakvd18f9g5/rotowipivakag.pdfIn PDF document text
- https://flvirginia.com/wp-content/plugins/super-forms/uploads/php/files/ef9337440651c40f54950675a43b7e64/dujizone.pdfIn PDF document text
- http://teechart.com/uploads/images/files/9868170476.pdfIn PDF document text
- https://www.sadcmedia.com/wp-content/plugins/super-forms/uploads/php/files/a42h574bvve4nv5uhrjqs2l4av/zubojaxumib.pdfIn PDF document text
- https://gulfcans.com/home/madarmun/public_html/gulfcans/images/bulk_images/files/lovuti.pdfIn PDF document text
- https://purefeeling8.com/data/file/vedopijagemug.pdfIn PDF document text
- http://bike-aholic.com/UserFiles/file/46013457366.pdfIn PDF document text
- http://ratchadatitan.com/UserFiles/File/feruzazeb.pdfIn PDF document text
- https://activsport.ro/userfiles/file/kizipat.pdfIn PDF document text
- https://www.traveltimevipp.com/wp-content/plugins/super-forms/uploads/php/files/99de68f42e770a1a55f3524cf51504de/sowapitazebemixogojuso.pdfIn PDF document text
- https://dazzlin.co.uk/wp-content/plugins/super-forms/uploads/php/files/da3e4e679dd8a1ae3dedc30e6d8a3d56/52180543073.pdfIn PDF document text
- https://nurea.se/currency/userfiles/file/8507170133.pdfIn PDF document text
- http://baloneacessorios.com/_upload/file///47373551434.pdfIn PDF document text
- https://ymvii.com/admin/upload/files/39378046888.pdfIn PDF document text
- http://highlandcougars83.com/clients/2/26/268573c5102cd00412bac87cee9346ec/File/94372704913.pdfIn PDF document text
- https://zazilha.com.mx/wp-content/plugins/super-forms/uploads/php/files/dee8b1f0cf5c1e57638e4bdca4f970f2/85114750301.pdfIn PDF document text
- https://hylyt.co/wp-content/plugins/super-forms/uploads/php/files/7fc44d00f158370bfb54c5f6c216d792/90462511329.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=daban+astray+blue+frame+mb+manualPDF 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_off0000c5dd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC5DD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ddef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDEF | 21564 bytes |
SHA-256: 31a9ca957e6b198382a4a9c784cec19da4c3770076301d322c5be8f1433f25fa |
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font_02_sfnt_off00011699.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11699 | 10516 bytes |
SHA-256: 195af1e3060d08fd87af0adb624d22ce6f9d4476b411388e8f98774ffe7dc9a8 |
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