MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links to compromised websites and disposable hosting, suggesting it's part of a link farm designed to redirect users to malicious content. The document body, though heavily obfuscated, contains references to 'Plumb's veterinary drug handbook 9th pdf', likely a lure to entice users to click on the embedded malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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 https://ketchas.ru/uplcv?utm_term=plumb%2527s+veterinary+drug+handbook+9th+pdf PDF link annotation
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b6a2ca8cacf---4334585202.pdfIn PDF document text
- http://www.nbrownies.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b6cb2364a26---64887619490.pdfIn PDF document text
- https://eclipsetheaters.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5b27031edf---60549886641.pdfIn PDF document text
- https://mosoptagro.ru/wp-content/plugins/super-forms/uploads/php/files/903f1cf00bfb8a79a201d02505112fa8/sijelumujugexobu.pdfIn PDF document text
- http://www.champcaregivers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c7fe13f0a7---78954623085.pdfIn PDF document text
- https://www.grecosalesinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/160794151bff6c---95307228975.pdfIn PDF document text
- https://al-farh-iq.com/upload/userfiles/file/4261817871.pdfIn PDF document text
- https://www.onestopnaturalstore.ca/wp-content/plugins/super-forms/uploads/php/files/87in8m458acieeie0i4gojjf4r/serivevovavir.pdfIn PDF document text
- https://olgapopovaphoto.com/wp-content/plugins/super-forms/uploads/php/files/f6e0b09924e79d042f59258207919c6a/gemidabibifofizufisoxawez.pdfIn PDF document text
- http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160a348370f546---65135597287.pdfIn PDF document text
- http://parkwestresidences.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080909043adf---17272342041.pdfIn PDF document text
- http://technology-mp.it/userfiles/files/48533756640.pdfIn PDF document text
- http://www.thebetterinsurance.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a15b545235b---rabupekepegisejiri.pdfIn PDF document text
- https://freedomhypnosisnyc.com/wp-content/plugins/super-forms/uploads/php/files/38697ce2f0c03c16ec4368f0a2b8a250/lajiririvoruxet.pdfIn PDF document text
- http://artecgroupservices.com/imagenes/file/48271793510.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000daa9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDAA9 | 6012 bytes |
SHA-256: 762c01c346e9ab830d81a4da654bc9fc3d627ffce2c8bd5de7ef0a55a287c3c2 |
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font_01_sfnt_off0000ef03.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF03 | 10780 bytes |
SHA-256: 2aa554db11f49721e9b1ffdbaf86f2c202407314a7e9a0b58bbe8dc1ceba07ac |
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