MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs pointing to compromised WordPress sites and other disposable hosting, indicative of a link farm designed to distribute malicious content or phish users. ClamAV and ML classifiers also flagged this PDF as malicious, specifically as a phishing trojan. While no scripts were explicitly extracted, the nature of the embedded URLs and the heuristic firings strongly suggest a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9787
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://crysiq.ru/uplcv?utm_term=is+heaven+capitalized+in+the+bible PDF link annotation
- https://fuoriscena.eu/file/towidenodomofoxiluvifugim.pdfIn PDF document text
- https://directprocessors.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b94769bdcb7---56924147780.pdfIn PDF document text
- https://vandolderskb.com/images/usr/gilinuguridaz.pdfIn PDF document text
- https://www.jahnigterbraak.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1606df8067867b---vaket.pdfIn PDF document text
- https://hondamienbac.vn/userfiles/file/muxovexo.pdfIn PDF document text
- https://brianhigbielaw.com/UserFiles/file/kutepukegawebeni.pdfIn PDF document text
- http://hopkim.vn/upload/files/21579326069.pdfIn PDF document text
- https://puertoestereo.com/wp-content/plugins/super-forms/uploads/php/files/n3lgfb7i1t9cs78sh9d05u8m89/jabaxomojesokonuguj.pdfIn PDF document text
- https://wecafephuket.com/wp-content/plugins/super-forms/uploads/php/files/j9vlgaiao8vc7cd9d8ahhj31pf/53427150555.pdfIn PDF document text
- https://www.coconutlodge.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b7c2f2af89f---32678546944.pdfIn PDF document text
- http://zakuskymoser.cz/www/ckfinder/userfiles/files/15329286396.pdfIn PDF document text
- https://caribemed.com/userfiles/file/54802107215.pdfIn PDF document text
- http://weymouthhighschoolclassof62.com/clients/5/50/50fe23896e84432c97ff20d680692bb9/File/petanu.pdfIn PDF document text
- https://dobre-akce.cz/media/files/file/tesawunituk.pdfIn PDF document text
- http://profisystem.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160879977e895a---68967557367.pdfIn PDF document text
- http://furkansigorta.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160bae92f1cc1b---parigotuvesabevitamuv.pdfIn PDF document text
- http://3e-recycling.ru/app/webroot/filesfiles/89100673929.pdfIn PDF document text
- https://www.amiunaorchestra.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1608d61103c341---ruvigewu.pdfIn PDF document text
- https://www.hintonassociates.com/wp-content/plugins/super-forms/uploads/php/files/1c0341e9fcda16328c793073a720dc99/53360684022.pdfIn PDF document text
- http://www.allatpatikapecs.hu/images/file/95122596420.pdfIn PDF document text
- https://creativesilhouettes.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607649e0d334c---14251585269.pdfIn PDF document text
- https://www.glasswindowequipment.com/wp-content/plugins/super-forms/uploads/php/files/c90fd9e58ccfddc8951a4da421d560bf/liburuwadegebufosit.pdfIn PDF document text
- http://www.rec39.ru/wp-content/plugins/super-forms/uploads/php/files/13db202f1e72e35817809a0eb20fd13d/32522493689.pdfIn PDF document text
- https://www.criteriainvest.com.br/wp-content/plugins/super-forms/uploads/php/files/sq0f1jr955e0qvdtdr0e4oc7e6/17138523239.pdfIn PDF document text
- http://learnersdigest.org/userfiles/file/gugibadotafanugefozetiwuj.pdfIn PDF document text
- http://www.northeastmarquees.com/wp-content/plugins/super-forms/uploads/php/files/678c33f84e0d88cc29c062bcbfd5418d/vaxemibozuzonobodil.pdfIn PDF document text
- http://naturabliskociebie.pl/userfiles/file/92309999942.pdfIn PDF document text
- http://lotusromeo.fr/app/webroot/files/userfiles/files/44942936709.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_off00012824.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12824 | 17948 bytes |
SHA-256: 7cbeca4192ac2f22a6ce14b215e964677bd00f256b3d1a1fdf67bda79f40ea28 |
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font_01_sfnt_off000156e4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x156E4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00016efb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16EFB | 10608 bytes |
SHA-256: 06252c17caaf14d65cd8872c0b5354e1ae5727e51c4e23d8d5822636d62d81c5 |
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