MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, indicating it is likely a phishing or malware distribution lure. It contains numerous external links, many pointing to potentially compromised WordPress upload directories or disposable hosting, suggesting it functions as a link farm to redirect users to malicious content. The presence of urgency language further supports its use in phishing campaigns.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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 http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/geieub98kd1bpka6amacp6sec0/75577027661.pdf
- http://www.hon-ro.hu/userfiles/files/zuveniwavofekikijogibuv.pdf
- http://kantipursecurity.com/userfiles/file/30934312341.pdf
- http://ulrike-mayer.de/userfiles/files/39441824136.pdf
- https://bentzendesign.se/wp-content/plugins/formcraft/file-upload/server/content/files/16137b97b4678f---lubufuga.pdf
- http://movitecnic.fr/ressource/site-image/files/16059782827.pdf
- http://mjengo.org/FCKeditor/editor/filemanager/connectors/php/connector.php?Command=FileUpload&Type=File&CurrentFolder=%2Ffile/wakeruj.pdf
- http://ewhamd.net/upFiles/ckeditor/files/devap.pdf
- https://pinyardim.com/calisma2/files/uploads/giwegikunisabikaga.pdf
- https://unitedfightalliance.jordanadams.com/ckfinder/userfiles/files/25617711647.pdf
- https://www.auto-ecole-rive-droite.fr/ckfinder/userfiles/files/dirimuradoximaginid.pdf
- http://www.everhouse.lt/wp-content/plugins/formcraft/file-upload/server/content/files/161301a5c68d11---linonoxagomaxolevixer.pdf
- http://fotosvatba.net/userfiles/file/xujan.pdf
- http://www.siposferenc.hu/html/34813265215.pdf
- https://www.businesswatchguardingservices.co.uk/wp-content/plugins/super-forms/uploads/php/files/l0iordacsvs747mortvoge19ps/96666386737.pdf
- http://cestovni-postylka.eu/userfiles/file/wubavodupikusogevalexem.pdf
- http://support-cmu.com/filedata/file/jinubulelas.pdf
- http://theorientgarden.iorderfoods.com/uploads/files/59907899902.pdf
- http://tattooindex.nl/images/uploads/zimikafip.pdf
- http://www.gainerwindows.ca/wp-content/plugins/super-forms/uploads/php/files/g8uvlf6hu8862023l0tt7u36f1/bokigufetumakumejuzamuwop.pdf
- http://ngoinvest.com/uploads/ckfinder/files/vavurorijabe.pdf
- http://uniondeautoescuelas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612fdbe4a6194---zagodowebejugulinuxivurum.pdf
- https://sandalyecenneti.com/wp-content/plugins/super-forms/uploads/php/files/77tfg39o9m66mun0800056ctfs/terumidudavobatiwumuko.pdf
- http://ardeche.proximeo.com/ckfinder/userfiles/files/vovalameg.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=business+result+advanced+student%27s+book+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_off0000d2a6.bin7a22f8785990b33f4cd5aded085d6c854a4f3b957f3b306bfb5d07a81d04689f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD2A6 | 18076 bytes |
font_01_sfnt_off000101ef.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101EF | 16792 bytes |
font_02_sfnt_off00011a06.bin9cf0e49137c1a8d76d6183b53fd518691e19c5680c48fed9248b4ac7c3841515 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A06 | 11096 bytes |
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