MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link farm pointing to compromised CMS uploads and disposable hosting, suggesting a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly indicate malicious intent. Although no scripts were directly extracted, the PDF structure and embedded URLs are indicative of a phishing lure, likely attempting to trick users into downloading further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
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://brianhigbielaw.com/UserFiles/file/jusesurawa.pdf In PDF document text
- https://hobbes-group.com/upload/files/99948274054.pdfIn PDF document text
- http://www.zav-mito.si/wp-content/plugins/formcraft/file-upload/server/content/files/1613acd1326b86---833883516.pdfIn PDF document text
- http://laarakkers.com/ckfinder/userfiles/files/26894511814.pdfIn PDF document text
- https://bompentax.com/quangbasanpham/app/webroot/upload/image/files/natesuvize.pdfIn PDF document text
- http://www.cenlajobinator.com/siteuploads/editorimg/file/38348777149.pdfIn PDF document text
- http://kencert.vn/uploads/image/files/pewib.pdfIn PDF document text
- https://travelselection.us/wp-content/plugins/formcraft/file-upload/server/content/files/16138e29c821f6---22841221857.pdfIn PDF document text
- http://hcbarrett.com/user_area/file/58164799695.pdfIn PDF document text
- http://dintainoodle.com/uploads/files/nofid.pdfIn PDF document text
- http://webcertain.ca/contentupload/fckeditorUploads/organization_/file/xebeliki.pdfIn PDF document text
- http://santeh.md/img/files/84057522500.pdfIn PDF document text
- https://vietucmould.com/img-vietuc/files/vitasebegusoxufalawiw.pdfIn PDF document text
- https://coil.hk/upload/files/kewasiriguzuruxuv.pdfIn PDF document text
- http://alexdisinfestazioni.com/userfiles/files/9221318602.pdfIn PDF document text
- https://pgp-puh.hr/fck_media/file/35085847496.pdfIn PDF document text
- http://www.asiacoservice.com/file/files/48398258820.pdfIn PDF document text
- http://www.galiantsolutions.com/emailimages/file/tafewufikegalanovarot.pdfIn PDF document text
- http://shengyaweb.com/uploadfile/file/2021090819483312.pdfIn PDF document text
- http://lecostationery.com/files/file/kipajib.pdfIn PDF document text
- http://noithatachau.vn/webroot/img/files/81383330726.pdfIn PDF document text
- http://avstralianature.ru/ckfinder/userfiles/files/vaxoniredapa.pdfIn PDF document text
- https://slavica.ru/wp-content/plugins/super-forms/uploads/php/files/462f991f8bbc3939cf9422a85dee7daa/rozorasosidil.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=windows+10+password+recovery+tool+free+download+full+versionPDF link annotation
- 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_off0000dc60.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC60 | 11148 bytes |
SHA-256: 281e7a8fe577afddf503c75af7f635533bc3eca6adc764938d0c6ee0aed9bbe0 |
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font_01_sfnt_off0000f6a1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6A1 | 18412 bytes |
SHA-256: b3fffa468865486ff591a0a5a3d0ef2c7fdfe169e14d33d96f631e6a1395271a |
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font_02_sfnt_off000125ca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x125CA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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