MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The document contains a link farm pointing to multiple unknown PDF files hosted on various domains, suggesting a phishing or malware distribution campaign. The presence of external URIs and link farms on potentially compromised or disposable hosting further supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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 http://abcbyspu.com/ckfinder/images_store/files/moxugemikenibirovowak.pdf
- http://thessalonikiflights.com/files/files/rarori.pdf
- http://capitaldanceacademy.com/userfiles/files/66051035093.pdf
- http://ewtch.com/upload/files/gesikogakoloximop.pdf
- https://christembassyromford.org/wp-content/plugins/super-forms/uploads/php/files/620bcb1b1d752a18b7775d3aa12851e8/38976294884.pdf
- https://frennphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/160812409eeea2---wimosedafatujabupovuli.pdf
- https://yourlightingbrand.com/wp-content/plugins/super-forms/uploads/php/files/c42078c4d80f278106dd01e9477a323e/banuzadarubobepomi.pdf
- http://toastwarenhuis.nl/app/webroot/files/userfiles/files/39651203973.pdf
- http://midlandhigh65.com/clients/6/68/682e31fde28f8c6bff7ebba57332ef5f/File/derezilirifarapokira.pdf
- https://apparel.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/e3afd1aba0185be28a854e314a0c7763/63705906223.pdf
- http://manavpublicschool.org/manav/userfiles/file/37895324641.pdf
- http://acril.ru/ufiles/files/robokuk.pdf
- https://www.audifonosdoshoydos.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091b3e767fb9---dovejobuxenit.pdf
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a3c10d6a98f---logabigitiboxibopokinitid.pdf
- https://veglifekc.org/wp-content/plugins/super-forms/uploads/php/files//zugajazawelanufada.pdf
- https://alphaveneers.co.uk/wp-content/plugins/super-forms/uploads/php/files/83d6290f4723e1fe564233722f4e3d81/pefexafure.pdf
- http://hevolta.com/upload/file/57576931619.pdf
- https://www.cukoyem.com.tr/wp-content/plugins/super-forms/uploads/php/files/7fhc3mpv55pp43qhc17cl6v600/90639230709.pdf
- https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/84541pss97454uakqgol7r1qgc/lisugabidujuw.pdf
- http://www.meglobalinc.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160c5a9050ec1d---92498302229.pdf
- http://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ba839d46453---sosomowinirojifewolofa.pdf
- http://studiozammuner.eu/userfiles/files/28678349902.pdf
- http://marsalanoleggio.it/userfiles/files/fijuxotewojoliveve.pdf
- http://cs-golfclub.com/ckupload/files/18494887304.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=english+placement+test+a2+pdf
- 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_off0000ef36.bine0b796d7b24a38a9db79e8091d1c5fc61e1131a1942e921b0db7993c9e5b5e20 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF36 | 10952 bytes |
font_01_sfnt_off00010833.bin30e476ee5870264cbd1e6037f98ff368af7db709e784633dcc8148710a1a5478 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10833 | 17224 bytes |
font_02_sfnt_off00013504.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13504 | 16792 bytes |
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