MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains numerous links to external sites, many hosted on compromised WordPress installations, suggesting it's part of a link farm designed to distribute malicious content. The document body, though heavily obfuscated, appears to be a lure related to a 'veterinary pharmacology book pdf'. No scripts were extracted, but the presence of multiple external links and the overall detection profile strongly suggest a malicious intent to redirect users to harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://medvor.ru/uplcv?utm_term=veterinary+pharmacology+book+pdf PDF link annotation
- https://maxim-catering.de/wp-content/plugins/super-forms/uploads/php/files/a170meot16a4cfp87dg6q03irc/xofofivotesatorutuwidi.pdfIn PDF document text
- https://foundryindia.org/userfiles/file/86424701650.pdfIn PDF document text
- http://hamdard.com/hamdard/app/webroot/img/ckfinder/userfiles/files/velomatubedo.pdfIn PDF document text
- http://thm-holding.ru/wp-content/plugins/super-forms/uploads/php/files/598ffc9fc5fc204255fbff313346601c/93649643759.pdfIn PDF document text
- https://getlovebooks.com/wp-content/plugins/super-forms/uploads/php/files/91d342dfb234c078072627d98932cccf/39895490725.pdfIn PDF document text
- https://frennphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e22b4a1be3---vuxoxakemadaxoxakema.pdfIn PDF document text
- https://thewentworthco.com/wp-content/plugins/super-forms/uploads/php/files/5ed27pd1bhvsk2knf6kj0s3ceg/jukulufivemodebamukotepi.pdfIn PDF document text
- http://www.everhouse.lt/wp-content/plugins/formcraft/file-upload/server/content/files/160815b1942b8a---raxobulis.pdfIn PDF document text
- http://baugeraeteverleih.de/benutzerdateien/30290215793.pdfIn PDF document text
- http://stopasbestos.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1606cc75d3c13c---wemuxonelixajobun.pdfIn PDF document text
- http://rockpapersun.com/upload_mce_image/file/68326524349.pdfIn PDF document text
- https://web-sila.ru/wp-content/plugins/super-forms/uploads/php/files/5073f078db59365618373854026dbacb/97127803022.pdfIn PDF document text
- http://ipvoicenj.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094d88cd22f1---porusenaped.pdfIn PDF document text
- http://matstravel.ru/userfiles/file/viduvobolaliful.pdfIn PDF document text
- http://krindustria.com.br/site/wp-content/plugins/formcraft/file-upload/server/content/files/1609b7c83a04e0---zupuruperevaraxuli.pdfIn PDF document text
- https://hpsoft.shop/upload/files/3320074532.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_off0000f146.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF146 | 5660 bytes |
SHA-256: d55d69f36bba8cd721d4f4efd3b2dd208d08386967cf28ca9df4173b45468dcd |
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font_01_sfnt_off00010469.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10469 | 12072 bytes |
SHA-256: c06aedb74ebcc6700a91204dcc9035884dcb940a90b6cec1e474d7801dc1fbc1 |
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