MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The ClamAV detection and ML classifier strongly indicate malicious intent, likely phishing or malware distribution through these links.
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://crysiq.ru/uplcv?utm_term=equalizer+and+bass+booster+apk
- https://rrrc.us/userfiles/file/36484071713.pdf
- https://watosaphotography.com/app/webroot/userfiles/files/20210915_165236.pdf
- https://austdoorcaocap.com/upload/files/sufesajekedofelipafibi.pdf
- https://oancora.com/ckfinder/files/nedawuxinulofuvak.pdf
- http://es-umzuege-transporte.de/wp-content/plugins/super-forms/uploads/php/files/3f8f01e8cbb480479ece1e376621011d/19522664279.pdf
- http://zkqzl.com/uploadfile/file///2021092600091523.pdf
- https://hotelristorantenovecento.it/wp-content/plugins/super-forms/uploads/php/files/ea0c1f98dd47189e2b22f0215468cffd/xowufutaxosuwib.pdf
- http://coimbra.hu/uploads/ckfinder/userfiles/files/luzilor.pdf
- http://misterholidaysanprisco.it/userfiles/files/56548609816.pdf
- http://louisamerino.com/userfiles/file/18900846951.pdf
- http://beiks.info/public/file/23177772180.pdf
- https://groupunsur1.com/contents/files/risipudajen.pdf
- https://kingwrapcarspa.com/upload/files/lixikixuvixegaputinoviki.pdf
- http://sevgineslianaokulu.com/ckfinder/core/connector/php/uploads/files/78449528838.pdf
- https://duhocblueocean.vn/ckfinder/userfiles/files/89131647805.pdf
- https://keralatemples.info/ckfinder/userfiles/files/titujuv.pdf
- https://dondepodemosir.com/userfiles/file/seviwuzujujanafisagaf.pdf
- https://adiwirawanbali.com/wp-content/plugins/super-forms/uploads/php/files/0ec7082473eeac8379ebb0732bc8a0c8/28546832357.pdf
- https://samsungdvmklima.com/upload/ckfinder/files/xaroxu.pdf
- http://siddharpeedam.org/userfiles/file/
- https://valserve.in/web/k/main_admin/ckfinder/userfiles/files/59216408532.pdf
- http://bacsiha.com/public/ckfinder/userfiles/files/83196517521.pdf
- http://safiorida.nl/operatori/userfiles/file/28847360227.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_off0000b088.bin4e8836303efd0643e0af0e5816aebf0d07a8e991ed71d223147206b127f74d67 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB088 | 18660 bytes |
font_01_sfnt_off0000deb4.bina13be54dd7f63f9bf68009448f141f9fbfac7e473930f530613b197ee276511b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDEB4 | 10904 bytes |
font_02_sfnt_off0000f7a0.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7A0 | 16792 bytes |
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