MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to external websites, many of which are hosted on compromised WordPress installations, suggesting a link farm designed to redirect users. The presence of a URL with a 'word 365 login' UTM parameter strongly indicates a phishing attempt targeting Microsoft 365 credentials. ClamAV and ML heuristics also flagged this PDF as malicious, likely due to its phishing and redirection capabilities.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://miamiuniquelimo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612ff82182b72---vozisutasiwaga.pdf
- https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613554a250edd---46598393829.pdf
- http://www.jasfec.com/imgs/uploads/57795762788.pdf
- https://reha.bg/content/upload/file/91886932343.pdf
- http://bud-med.eu/userfiles/file/54823957937.pdf
- http://geologicatoscana.eu/userfiles/files/36920532342.pdf
- http://kovacsoltvaskerites.hu/images/file/jemagagunibisif.pdf
- https://salvatoredivilio.it/userfiles/file/jefodeluf.pdf
- https://stonebuild.bg/f/uploads/files/2827858598.pdf
- https://maximatrimony.com/ckfinder/userfiles/files/7807851978.pdf
- http://hasdeu.md/data/userfiles/files/87716746217.pdf
- http://boxshop.mn/userfiles/files/72045208724.pdf
- http://greatnice.club/updatefiles/file/20002023624.pdf
- https://mr-alian.com/upload/ckfinder/files/89406002322.pdf
- http://stellarp.com/userfiles/files/faxedazeko.pdf
- http://qwerty.pl/_data/file/mifajogemopudexaloxezowi.pdf
- http://ntouioc.ntou.edu.tw/ckfinder/userfiles/files/xozelefirun.pdf
- https://www.champagne-cornevin.fr/ckfinder/userfiles/files/34526301300.pdf
- https://luxurytravel-show.com/wp-content/plugins/super-forms/uploads/php/files/6f907e87bb0dc131e16a4ee5b8528441/17800485901.pdf
- http://mercuresamuichaweng.com/admin/file/lokipukitowugirux.pdf
- http://dobrasekacka.cz/userfiles/file/tamijoxononu.pdf
- http://cimkezes.hu/uploads/ckfinder/userfiles/files/12811333472.pdf
- https://www.intermediastudios.com.mx/wp-content/plugins/super-forms/uploads/php/files/bd74d4f5e67eb150ca9b132610766ca1/xevupupewepetijevedofebi.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=word+365+login
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b375.bin40cced36932c0a90f85ba5c0baaa5e9ff8c5495aa557483664f2e8325c8ada48 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB375 | 15812 bytes |
font_01_sfnt_off0000dbd6.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDBD6 | 16792 bytes |
font_02_sfnt_off0000f3ed.binef6db42a7c7ebde37da8e1dab9554997a1e89cf62d8b29c045d07b23dc8b8e3e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3ED | 10328 bytes |
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