MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains numerous links to external websites, many of which appear to be hosted on compromised WordPress installations. The presence of 'utm_term' parameters suggests a phishing or SEO manipulation attempt, aiming to trick users into visiting these sites under the guise of a utility. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for credential harvesting or further malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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=online+barcode+reader+from+pdf PDF link annotation
- https://voicelux.ru/wp-content/plugins/super-forms/uploads/php/files/37ad2886d293fe2b79d7b755ea7dc66b/58198375662.pdfIn PDF document text
- https://www.fmworks.com.tr/wp-content/plugins/super-forms/uploads/php/files/scgj636reqtoiorohr5cjdorr0/43363943621.pdfIn PDF document text
- http://islandpointfl.com/userimages/jatotafegozef.pdfIn PDF document text
- http://le-lemniscus-incandescent.fr/ckeditor/upload/files/94276963574.pdfIn PDF document text
- http://zzquansu.cn/d/files/rewovimutafeverud.pdfIn PDF document text
- http://haai.org/upload/file/7579522721.pdfIn PDF document text
- http://maksimetall.ru/files/vogubiwonakozafav.pdfIn PDF document text
- http://55thocscompany.com/clients/62662/File/puwasinoxisefebi.pdfIn PDF document text
- http://mitsubishilongbien.vn/images/ckeditor/files/94105219453.pdfIn PDF document text
- http://pavcargo.ru/wp-content/plugins/super-forms/uploads/php/files/804aa237c5f2bdb62638b9ef03f5abe8/84828144743.pdfIn PDF document text
- http://pck.malopolska.pl/wp-content/plugins/super-forms/uploads/php/files/4f743cfc9c81f8acee6cf323999373d9/43803427333.pdfIn PDF document text
- http://www.diplomat2014.ru/ckfinder/userfiles/files/79869676395.pdfIn PDF document text
- https://balaji-technology.com/userfiles/file/neluweraxewosusipud.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081ef8c6b770---nuxuk.pdfIn PDF document text
- http://hrjok.com/uploadfile/file/gigigize.pdfIn PDF document text
- https://www.hermanosvalerorecio.com/ckfinder/userfiles/files/pevuzovilonorupafaz.pdfIn PDF document text
- http://bebsulmare.com/userfiles/files/90505725973.pdfIn PDF document text
- http://czytamzezrozumieniem.pl/userfiles/file/73031126399.pdfIn PDF document text
- https://dienlanhbachkhoa.info/upload/files/16517255105.pdfIn PDF document text
- http://stlnsk.ru/uploads/file/larawoludo.pdfIn PDF document text
- https://ijtm.in/userfiles/file/moxek.pdfIn PDF document text
- https://buddingheights.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607d5742e691c---lutavexolu.pdfIn PDF document text
- https://girl0229960192.com/upload/users/files/41696405366.pdfIn PDF document text
- https://strategieb2b.com/userfiles/file/paditizujebedunikameto.pdfIn PDF document text
- http://josephfellerlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/fozanobiso.pdfIn 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://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_off0000da4d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA4D | 10680 bytes |
SHA-256: 249155023cfae76e75691587a6c5d1d85589cbdacca6c76b3684303a09b06617 |
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font_01_sfnt_off0000f286.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF286 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010a98.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A98 | 17740 bytes |
SHA-256: ca4d7f473ccf273f7f489f1f2bfcc1c29a0c86af5b92097e2d669aff09771662 |
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