MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The file contains numerous external URLs, many pointing to compromised WordPress sites or disposable hosting, suggesting it is part of a link farm designed to distribute malware or lead to phishing pages. The presence of embedded URLs and the overall structure point towards a phishing or malware distribution campaign, likely initiated via spearphishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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=curriculum+vitae+europeo+pdf+da+scaricare+gratis PDF link annotation
- https://www.wikiwebagency.it/wp-content/plugins/super-forms/uploads/php/files/0ff4990dc12daa2d36750c3bb55fe5df/jekipawemabo.pdfIn PDF document text
- https://ahi.com.ua/wp-content/plugins/super-forms/uploads/php/files/1e8e9180db87616e88389229ca220621/mixusajuvesazesonava.pdfIn PDF document text
- https://ancoraeducacion.com/images/25803018738.pdfIn PDF document text
- https://hsegroup.ru/wp-content/plugins/super-forms/uploads/php/files/nbsrdlv0d0kn1k829n40dkses2/55775049953.pdfIn PDF document text
- http://drapikowski.pl/uploaded/fck_files/file/66923599765.pdfIn PDF document text
- http://hamdard.com/hamdard/app/webroot/img/ckfinder/userfiles/files/62564883713.pdfIn PDF document text
- http://aarogyamedico.com/userfiles/file/mawumivefuvogi.pdfIn PDF document text
- https://www.taxiserviceh24.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608dacbdba2b1---mudulurosujepexeki.pdfIn PDF document text
- https://nailseasupportgroup.com/wp-content/plugins/super-forms/uploads/php/files/bcdc2bec5755404395a0a6c0c2c660ee/zawon.pdfIn PDF document text
- https://youstore21.com/wp-content/plugins/super-forms/uploads/php/files/3402679ac395415f5d24345deb8875bb/zidafoti.pdfIn PDF document text
- http://www.itbaloch.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084920d57f4e---bawexeb.pdfIn PDF document text
- https://kp-bs.ru/upload/files/fives.pdfIn PDF document text
- https://www.picmephotoboothhire.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1606f3e97a31dc---kawepowadigubix.pdfIn PDF document text
- https://www.bountyvacation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e579f6962d---ruxudotesaxo.pdfIn PDF document text
- https://windsbs.biz/files/file/38307480217.pdfIn PDF document text
- https://feng-shuiworld.com/userfiles/file/79995465180.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d722.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD722 | 5440 bytes |
SHA-256: 1dae5143b15faaf7d956a033fac44458e551813c639fe28c81673df88959d448 |
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font_01_sfnt_off0000e993.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE993 | 11420 bytes |
SHA-256: 621fa609d6215f53e38e7e10305bf56687018ecab0f1bf9175acd9024f5464b7 |
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