MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains a large number of embedded URLs, many of which point to compromised CMS uploads or disposable hosting, suggesting a link farm designed to redirect users to malicious sites. No scripts were extracted, but the presence of numerous external links indicates an attempt to lead the user to a phishing or malware distribution page.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
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://medvor.ru/uplcv?utm_term=violencia+obstetrica+oms+pdf PDF link annotation
- https://ceccardolj.ro/userfiles/file/tivesuwovusitikazes.pdfIn PDF document text
- http://ngnjl.com/userfiles/files/rasugarufixiwomebogo.pdfIn PDF document text
- http://ktcz.eu/files/files/bedurilanajakuberedunemaj.pdfIn PDF document text
- http://security-m.jp/tool/images/file/84845621209.pdfIn PDF document text
- http://addisonplaza.abwingsmd.com/uploads/files/18905747890.pdfIn PDF document text
- http://www.temaricerca.com/entry2013new/admindia/ckfinder/userfiles/files/70774904681.pdfIn PDF document text
- http://ferien-in-zahren.de/images/file/rofodadavonu.pdfIn PDF document text
- https://www.darrellstuckey.com/wp-content/plugins/formcraft/file-upload/server/content/files/161361019c4f2c---mirib.pdfIn PDF document text
- https://cordovajewelry.com/images/file/75878260661.pdfIn PDF document text
- http://ossokahve.com/upload/file/semejolezuxirugofuki.pdfIn PDF document text
- http://rem-stroymont.ru/img/file/votawa.pdfIn PDF document text
- http://chinalabware.ru/d/files/xupanaxonedezewevetote.pdfIn PDF document text
- http://healhumanity.foundation/userfiles/file/bikozujujali.pdfIn PDF document text
- https://relaxationplusmn.com/wp-content/plugins/super-forms/uploads/php/files/2e89711643cf551b929f04a2456b037c/2625147599.pdfIn PDF document text
- http://tunapvietnam.thietbiotoviet.com/Images_upload/files/67667246767.pdfIn PDF document text
- https://datenglagi.com/contents/files/xesosuxukoxezinoj.pdfIn PDF document text
- http://agecarekorea.com/ckupload/files/puramejafobiseg.pdfIn PDF document text
- http://dedanskecasinoer.dk/userfiles/file/56234442962.pdfIn PDF document text
- http://nbnjl.com/userfiles/files/18786183705.pdfIn PDF document text
- https://www.actionconstructionjax.com/wp-content/plugins/super-forms/uploads/php/files/303c24cf560ae32e0531d467c1d18c75/22269807333.pdfIn PDF document text
- https://groupunsur3.com/contents/files/11496417713.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_off0000dd4f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD4F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f566.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF566 | 10892 bytes |
SHA-256: 2ea6d8d092ed87aef35d00d7191a80b65120074237ebe7a14951c8305c3a320d |
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font_02_sfnt_off00010e5c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E5C | 19268 bytes |
SHA-256: 052b319840693077d86097d4b36ca69b41c17596d6a203ab9bc418ea681dcb2e |
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