MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample is a PDF document identified as malicious by ML classifiers and ClamAV. It contains numerous embedded URLs, many of which point to compromised WordPress sites or disposable hosting, indicating a link farm designed to redirect users. The primary function appears to be directing users to external, potentially malicious, websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/1kmka01pnokq9hq7r9up8htef0/13476628789.pdf
- https://pelicanfinancialnetwork.com/ckfinder/userfiles/files/tawun.pdf
- https://kvgrup.com.ua/wp-content/plugins/formcraft/file-upload/server/content/files/160768d97949ef---kusamiwoxegijedogiz.pdf
- http://cyklo-sport-servis.cz/UserFiles/File/40869574261.pdf
- https://baileyelectrical.services/wp-content/plugins/super-forms/uploads/php/files/hfsoe1dr7hkk426hp2o4i235ga/97725324814.pdf
- http://themultifold.com/wp-content/plugins/super-forms/uploads/php/files/48vft4h5anomjf4nrq4f0d8vc4/bonajafukoxirafinimabip.pdf
- http://universalgroupautos.com/files/others/wepejazapemimenixikodeke.pdf
- http://pressvaluation.net/userfiles/file/sidavizoziwijilajafusoki.pdf
- http://www.ellisrasbetonwerke.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1607037b8a22e2---75164351323.pdf
- https://dadesigning.com/daduserfiles/files/gepeteviba.pdf
- http://www.mvdisposal.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cfcfaa3c6ab---redewaz.pdf
- http://pvsystexperts.com/wp-content/plugins/super-forms/uploads/php/files/n3h7tne7nsogumnrmq6vocoar1/pesovafuwikurorisuzaleniw.pdf
- https://munord.com/wp-content/plugins/super-forms/uploads/php/files/088cbfc285b8b55efc31f1b10014e07f/bikapupusesalasuwepiv.pdf
- http://www.peopleoftheheath.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094804235b00---66392755656.pdf
- http://bright-mineral.com/uploadfile/file/2021060104452155.pdf
- http://www.gradur.ba/wp-content/plugins/formcraft/file-upload/server/content/files/16092e585c25d9---xegufejazuwixetumu.pdf
- http://fullcolorspandoeken.nl/userfiles/file/99432754001.pdf
- https://qualitylightsolutions.com/wp-content/plugins/super-forms/uploads/php/files/a0a0446f3ecbfe59cc4bbd6175b9bfcf/35299849998.pdf
- https://cedarcreeksauce.com/wp-content/plugins/super-forms/uploads/php/files/1551fdb11b342f37f875700bd3dd829c/tupipiregabivojolurowur.pdf
- https://bowenpainter.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078d72f00d50---rujoxujezuniku.pdf
- https://sarujiovalente.com/wp-content/plugins/super-forms/uploads/php/files/fbe8vul0h15op9q8no3mctqgl6/zipiridal.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=convert+from+cm3+to+dm3
- 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_off0000da4e.bin6ec15cadb1193ddb61cd5c23b0ad0f731cef2a3bc23d5950d1c0d807aa5d6f49 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA4E | 18376 bytes |
font_01_sfnt_off0001096d.bin46c97f19842f9549ebcfced12e1e415e65d74b9cafd1134eead43d3ea9c0c030 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1096D | 10440 bytes |
font_02_sfnt_off00012130.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12130 | 16792 bytes |
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