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 disposable hosting, indicating a link farm designed to redirect users to malicious content. The ML classifier and ClamAV detection strongly suggest this PDF is malicious, likely serving as a phishing lure or a distribution point for further malware. No scripts were extracted, but the heuristic findings are sufficient to infer a malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9773
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=the+sociology+of+religion+pdf PDF link annotation
- https://aryaayur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a63f03ba820---jamiduwov.pdfIn PDF document text
- https://razvozka24.ru/wp-content/plugins/super-forms/uploads/php/files/6d16819bf8e8b00fd687981eb43e52b0/puvimilasaxe.pdfIn PDF document text
- https://rfcorporation.net/wp-content/plugins/super-forms/uploads/php/files/9706483c6f5e1ab99ffdbd983d0199c2/24473997553.pdfIn PDF document text
- http://kangs78.com/clients/66216/File/35211858590.pdfIn PDF document text
- http://10glazsikeyrosa.ru/file/13740665997.pdfIn PDF document text
- http://midel.me/userfiles/file/25027777829.pdfIn PDF document text
- https://rffsev.ru/wp-content/plugins/super-forms/uploads/php/files/c5bc7e5d7b9a320c23c6a7ad19020a73/tefavekituxazisadamovuge.pdfIn PDF document text
- https://corghialberti.it/file/27946843825.pdfIn PDF document text
- https://orig-shop-gsm.ro/ckfinder/userfiles/files/sodulezepuriposurex.pdfIn PDF document text
- https://www.rekalibracija.com/wp-content/plugins/super-forms/uploads/php/files/92554aa7bfdabfaeec782966c15ee815/92189572745.pdfIn PDF document text
- http://zaragozalawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/33043435919.pdfIn PDF document text
- https://comobrew.com/newsite/images/user_uploads/file/15256658494.pdfIn PDF document text
- http://drinkandshrink.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160836c7ba9720---wuxunevevum.pdfIn PDF document text
- http://canyonoaksmtg.com/~duckdi5/canyonoaksmtg.com/content/file/mabasuzebezowaxategofag.pdfIn PDF document text
- http://nuyewrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/0aefa56fc55c5736f2190ce93f7b74b4/konugomag.pdfIn PDF document text
- http://dailycan.com/userfiles/files/25791495988.pdfIn PDF document text
- https://lawyerupsmart.com/tempimg/file/gabolasapojamusowazivim.pdfIn PDF document text
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607c4c1d1433e---zigedopobi.pdfIn PDF document text
- https://www.dazzlingdecor.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1608da37d2e951---reroluxiradusanigizafa.pdfIn PDF document text
- http://redwoodpwr.com/wp-content/plugins/super-forms/uploads/php/files/ijg7ftoknhams2aj17hhbuth57/zovolemokeludenokomiwijok.pdfIn PDF document text
- https://www.projectorrentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b9546d8d312---vigigijojemom.pdfIn PDF document text
- http://altelaw.com/uploads/image/file/lavov.pdfIn PDF document text
- http://verynailscm.com/user_img/file/32406268955.pdfIn PDF document text
- https://robertmatzuzi-massagetherapist.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160cf26ddacd98---wijiduvodef.pdfIn PDF document text
- http://tks-forever.com/upload/2021/06/23/file/51248210978.pdfIn PDF document text
- http://hzjksj.com/images/upload/File/39476645797.pdfIn PDF document text
- http://plusbateria.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ded7f71071---pagewanesif.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_off00013e6c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13E6C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00015683.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15683 | 10716 bytes |
SHA-256: bc10eeedb7f039c854d9411f767dbf32dea505aecc170e90b0ca4ecdc76cb329 |
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font_02_sfnt_off00016ed2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16ED2 | 16584 bytes |
SHA-256: 087bb0599a9eb511cfcf1148af11542f32ad7f0bdecf6fbed845c0e81ecfa625 |
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