MALICIOUS
144
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected by ClamAV as Pdf.Phishing.Trojan. It contains numerous external links, many pointing to compromised CMS uploads or disposable hosting, suggesting a link farm designed to redirect users. The malformed stream length heuristic indicates potential exploit activity within the PDF structure. While no scripts were explicitly extracted, the PDF format often utilizes JavaScript for malicious actions.
Machine Learning
- Nyx PDF Classifier suspicious score 0.3560
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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Malformed active-content stream length medium PDF_MALFORMED_EXPLOIT_STREAM_LENGTHA PDF stream that carries active/exploit-looking content has a declared /Length that does not match the recovered stream body. Malformed stream boundaries and length mismatches are common parser-evasion/supporting evidence around Reader exploit streams.
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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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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://versobrokers.eu/userfiles/files/ropijeporiluvopogax.pdf In PDF document text
- https://blueridgelightingandcontrols.com/wp-content/plugins/super-forms/uploads/php/files/0530821d51c16c4613e22446d55551a1/66322454140.pdfIn PDF document text
- http://www.sudaff.com/pics/file/11393116066.pdfIn PDF document text
- https://www.northwoodmedical.ca/wp-content/plugins/super-forms/uploads/php/files/ken07l8msggs9vaqihmt4dd5g7/sokerexopigawovosa.pdfIn PDF document text
- http://noavarservice.com/ckfinder/userfiles/files/98896102424.pdfIn PDF document text
- https://mobiligennari.com/userfiles/file/maselajuso.pdfIn PDF document text
- http://suachuadienlanhhoaphat.com/hinhanh_fckeditor/file/98505080273.pdfIn PDF document text
- http://goldmustang.com/files/files/6096532450.pdfIn PDF document text
- https://smoothnomad.com/wp-content/plugins/super-forms/uploads/php/files/jdlsue7mjd6il75d8bb6oebln4/10235209885.pdfIn PDF document text
- http://koszyczarek.pl/userfiles/file/2486092243.pdfIn PDF document text
- https://gotoko.com/cmsv2/upload/files/popudinowolomugizil.pdfIn PDF document text
- http://elonsummerstorage.com/wp-content/plugins/formcraft/file-upload/server/content/files/160864937d2f7f---15705769230.pdfIn PDF document text
- https://lerong.vn/wp-content/plugins/super-forms/uploads/php/files/7965f9b180119530b69a6be5c4b5a52c/29691459607.pdfIn PDF document text
- http://banhangcongnghe.com/upload/FCK/file/81246272945.pdfIn PDF document text
- http://asokmontridental.com/userfiles/file/5441624668.pdfIn PDF document text
- http://babijie.com/upload_fck/file/2021-8-11/20210811101902630552.pdfIn PDF document text
- https://borderpak.com/wp-content/plugins/super-forms/uploads/php/files/3f0c23d28accdbaf9e28a5be3757be6e/jasusi.pdfIn PDF document text
- http://dharmapremipariwar.org/userfiles/file/zafaxitafokas.pdfIn PDF document text
- http://www.acefence.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136afc50904a---fuwuvukupovezezu.pdfIn PDF document text
- http://raunlarose.us/wp-content/plugins/formcraft/file-upload/server/content/files/16083025b06011---pizebigikafi.pdfIn PDF document text
- http://aokisuper.com/ckfinder/userfiles/files/5040683974.pdfIn PDF document text
- https://snabavto.com/wp-content/plugins/formcraft/file-upload/server/content/files/161266157f27f0---jowomadivizan.pdfIn PDF document text
- http://technoculture.cz/admin/upload/file/97297058155.pdfIn PDF document text
- http://www.lavalledesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e17fa7d9051---mixilosorov.pdfIn PDF document text
- http://drivingschool-brno.eu/files/37600977080.pdfIn PDF document text
- http://for-rent-antwerp.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136fd4885299---xawasifalivugadosanitis.pdfIn PDF document text
- http://thestarbusan.com/FileData/ckfinder/files/20210822_924F542C7A6095C8.pdfIn PDF document text
- https://globalclassic.org/wp-content/plugins/super-forms/uploads/php/files/jt6gstkcf1naejp06q9kitkf5q/ropemaworosow.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=historia+del+cristianismo+en+roma+pdfPDF link annotation
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