MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of external links, many of which point to compromised WordPress upload directories or disposable hosting, indicating a link farm designed to distribute malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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 http://aftckwt.com/uploads/file/wekorirojema.pdf In PDF document text
- http://vividconcept.in/userfiles/file/supigirinimaru.pdfIn PDF document text
- http://interno-kazan.ru/upload/files/90831533918.pdfIn PDF document text
- http://xn--aknmedikal-yub.com/uploads/file/bifivavatoj.pdfIn PDF document text
- https://www.bouwenaaneensterkwerkgeversmerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1608be1db144e2---mibifuzanomaxesugune.pdfIn PDF document text
- http://imapbook.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/21543659610.pdfIn PDF document text
- https://jeevandeepspecialcare.com/ckeditor/ckfinder/userfiles/files/rugitigudajasunoxetu.pdfIn PDF document text
- http://alfavit.tv/userfiles/file/99384693815.pdfIn PDF document text
- http://deurwater.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080e7dd9ee98---27658040032.pdfIn PDF document text
- http://shinies.ru/img/lib/file/salujirofajugugivana.pdfIn PDF document text
- http://eske.hu/wp-content/plugins/formcraft/file-upload/server/content/files/1608382a80dff8---xoxusurepakumev.pdfIn PDF document text
- http://maility.pl_adresuserfiles/file/kegudo.pdfIn PDF document text
- http://totaleclipsenv.com/wp-content/plugins/formcraft/file-upload/server/content/files/16105e66c542ec---99964465504.pdfIn PDF document text
- http://hotelamadeustorino.com/userfiles/files/rijupupakuvivigazakubivu.pdfIn PDF document text
- http://libertyquad72.fr/userfiles/file/gizajuxobuxeva.pdfIn PDF document text
- http://sahamit.net/userfiles/file/vuziziniduwowiw.pdfIn PDF document text
- https://iphonerepairservice.nl/app/webroot/files/userfiles/files/77449916765.pdfIn PDF document text
- http://evabody.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160721df393249---8662015827.pdfIn PDF document text
- https://ibshospitals.com/userfiles/file/zowubaferikipulojiz.pdfIn PDF document text
- https://betonwerkendejonge.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160b7d1e450256---29211425834.pdfIn PDF document text
- https://www.milestonesmn.org/ckfinder/userfiles/files/debaxeti.pdfIn PDF document text
- https://widepolymers.com/userfiles/file/sixuzojanuwadof.pdfIn PDF document text
- https://beribuket.ru/wp-content/plugins/super-forms/uploads/php/files/d0d261fb927e00f3514ea20ff947de37/29283231576.pdfIn PDF document text
- https://www.peeryhotel.com/wp-content/plugins/super-forms/uploads/php/files/4d44fff257d7ff1fe334ec57734d3cd1/39627253473.pdfIn PDF document text
- http://allegroescrow.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099fb489ad2f---91514280586.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=altivar+312+pdf+francaisPDF 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_off00016056.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16056 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001786d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1786D | 10752 bytes |
SHA-256: a505a7629869b38869e491fb53261ea297f0a409670a55a7bc12c15e13a0ec37 |
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font_02_sfnt_off00019168.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x19168 | 20376 bytes |
SHA-256: 4d1cdb816ec8a565d494089b42dfaeb64c2eac1a886d9262bbf1d06043cd7102 |
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