MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links, many pointing to compromised CMS uploads or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of 'utm_term' parameters in some URLs further supports a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 7
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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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://ketchas.ru/uplcv?utm_term=screen+share+firestick+iphone PDF link annotation
- https://darshanam.com/ckfinder/userfiles/files/50970738456.pdfIn PDF document text
- https://diphong.com/uploads/wivoxeguduxem.pdfIn PDF document text
- https://wtmasonry.com/ckfinder/userfiles/files/77548013740.pdfIn PDF document text
- http://www.sarajevo-inn-grunewald.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614285d6d5008---93118349515.pdfIn PDF document text
- https://rajnnuhiddje.se/userfiles/file/2095771723.pdfIn PDF document text
- https://stdtekstil.com/upload/ckfinder/files/matedamel.pdfIn PDF document text
- https://www.khaosanpools.org/ckfinder/userfiles/files/37048019942.pdfIn PDF document text
- http://zkpower.net/upload/files/torowugumufofuzif.pdfIn PDF document text
- https://zlato-stribro-investice.com/upload/files/97059607625.pdfIn PDF document text
- https://www.keystonecare.co.uk/wp-content/plugins/super-forms/uploads/php/files/e6526409071126b1090518f6ac8bc875/3237041728.pdfIn PDF document text
- https://www.simplythebestevents.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613d0c5ee20b9---vonanujenuxivutuvow.pdfIn PDF document text
- http://dyccpharma.com/upload/files/52458415753.pdfIn PDF document text
- https://emenu.hu/editor_up/govet.pdfIn PDF document text
- https://activepymes.com/pub/file/11618334131.pdfIn PDF document text
- https://www.tai.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1613e554007ce3---mofovawepomeluduxamuvek.pdfIn PDF document text
- http://ntep2008.com/UserFiles/File/raraleseputasubo.pdfIn PDF document text
- http://headrepublic.pl/images/files/kawonopame.pdfIn PDF document text
- https://landtop.com/filespath/files/20210907143042.pdfIn PDF document text
- https://vnnc.vn/img-hdmedia/files/bufajog.pdfIn PDF document text
- https://trexanh.net/upload/files/17367092147.pdfIn PDF document text
- http://old.arcnet.org.tw/ckfinder/userfiles/files/22611197532.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_off0000d3bd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD3BD | 10700 bytes |
SHA-256: ffa9154a51e2eaacb3b78d39ed48bd3624652861c4ba440ef4db037abce37c3b |
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font_01_sfnt_off0000ec3a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC3A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001044c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1044C | 17824 bytes |
SHA-256: 10a6acbdbf429f1f237078655394212d2b53ec60a0dfda43c0aa347fe84bd05b |
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