MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of links, many of which point to compromised CMS upload storage. This structure is indicative of a link farm designed to distribute malicious content or phish users. The ClamAV detection and ML classifier further support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.6717
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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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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://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/ea1opik22e9ujdci7d6g6d20v7/79635249935.pdf In PDF document text
- https://webmodels.studio/wp-content/plugins/formcraft/file-upload/server/content/files/1606f0ebc12349---57105401052.pdfIn PDF document text
- https://www.jemelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3a0847d53b---tesumusekufofip.pdfIn PDF document text
- https://mides.vn/images/ckeditor/files/dotugubulakifej.pdfIn PDF document text
- https://christembassyromford.org/wp-content/plugins/super-forms/uploads/php/files/9a404a36170b2fe5cf747b3f5eefd722/81395568972.pdfIn PDF document text
- http://e-pisanie-prac.pl/famprojekt_z_serwera/images/file/38444603787.pdfIn PDF document text
- http://thedewakohchang.com/image/upload/File/ifixumusinez.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ca3e9de460---50466393239.pdfIn PDF document text
- https://wentworthre.com/wp-content/plugins/super-forms/uploads/php/files/d27dae5a77217eb1ebd20c116514ed59/janazevemedozo.pdfIn PDF document text
- http://dermalab.pl/userfiles/file/43871688800.pdfIn PDF document text
- https://marljivo.hr/userfiles/file/xiragegusoweponola.pdfIn PDF document text
- https://purpleleafestatebuyers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d3057ec82c---3385192781.pdfIn PDF document text
- http://www.sensible-seeds-premium.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a67402a9c42---66572298972.pdfIn PDF document text
- https://www.birdandwildlifeteam.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a07cef5a865---58193778939.pdfIn PDF document text
- http://www.norestim.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1608b869726538---ridolif.pdfIn PDF document text
- https://www.fmworks.com.tr/wp-content/plugins/super-forms/uploads/php/files/vvu4jbe8uefv2rc9f5u1bukp88/temuwitexaxek.pdfIn PDF document text
- https://emprenderem.cl/files/97682105854.pdfIn PDF document text
- http://legalinet.eu/userfiles/files/82648506446.pdfIn PDF document text
- http://prodesign31.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16099b52e50b9a---jidejokixaxixafixafaxat.pdfIn PDF document text
- https://www.kiteschule-eckernfoerde.de/wp-content/plugins/formcraft/file-upload/server/content/files/160987bc71ec33---86497604036.pdfIn PDF document text
- http://detaycopymatbaa.com/userfiles/file/lupupebetulunotav.pdfIn PDF document text
- http://hzjksj.com/images/upload/File/zasetananum.pdfIn PDF document text
- https://www.lightingsolutionsinc.net/wp-content/plugins/super-forms/uploads/php/files/84a7458818d55ce4d189fc456fd06ea7/meluwawemaxamezi.pdfIn PDF document text
- https://lightupalife.org.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160b08298522e4---38688275987.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=the+kennedys+2011PDF link annotation
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ef0e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF0E | 10188 bytes |
SHA-256: d74dbb7e91880e2bbb644684d2e301fdf74b984e1e050323758811e4418c10f7 |
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