MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1055.012 Process Injection
This PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains a large number of links, many pointing to compromised WordPress sites, suggesting a link farm designed to redirect users to malicious or phishing content. The document body is heavily obfuscated and appears to be generated by wkhtmltopdf, providing no direct user-facing lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9764
Heuristics 6
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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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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://kogan-photo.ru/wp-content/plugins/super-forms/uploads/php/files/5be922260e430d2e054fdc9a04b88f15/vokirelosamesavekukijoson.pdf In PDF document text
- https://dongytueduc.com/wp-content/plugins/super-forms/uploads/php/files/64oc7a3guc5m11gq2ejj0fm807/lejek.pdfIn PDF document text
- https://msr-hudsonproperties.com/wp-content/plugins/super-forms/uploads/php/files/b90db3c4c8c1152b04011de69bd590a7/fekutugupevitim.pdfIn PDF document text
- https://lightsourceindiana.com/wp-content/plugins/super-forms/uploads/php/files/e830b0de034b2f9b2e92513c0507a54e/texurilusuwunelapomum.pdfIn PDF document text
- https://chogmai.org/ckfinder/userfiles/files/rafikukemewano.pdfIn PDF document text
- https://kes-stv.ru/wp-content/plugins/super-forms/uploads/php/files/72769ecb0f99a83faf5c5834cc4242d0/99169591646.pdfIn PDF document text
- https://esteticarcare.com/wp-content/plugins/super-forms/uploads/php/files/709270fd047a052b8a33bdf2e5f52f1c/ralekimumivokabug.pdfIn PDF document text
- https://www.accidentinjuryalbuquerque.com/wp-content/plugins/super-forms/uploads/php/files/opcg11cpf0eid7qi9gpgvffib7/19526919450.pdfIn PDF document text
- http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/c8a3a45903d7b5ac5a54acfd308e222a/vugasokifoduzunigugupanik.pdfIn PDF document text
- https://israelonthehouse.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080b219f176a---devemirobapedox.pdfIn PDF document text
- http://www.benvenutialmare.com/wp-content/plugins/formcraft/file-upload/server/content/files/160baf747733f1---memawiriko.pdfIn PDF document text
- https://an-professional.ru/img/files/file/87171708734.pdfIn PDF document text
- https://www.pennlighting.com/wp-content/plugins/super-forms/uploads/php/files/fb0106f0661603d9ca20283ff554bf61/mirija.pdfIn PDF document text
- http://kino-profi.com/wp-content/plugins/super-forms/uploads/php/files/36068e7ff4bee5a1ee9c080c6d728b63/35251160485.pdfIn PDF document text
- http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c30abe07156---fedevilanowagetage.pdfIn PDF document text
- https://www.verpoort-bouw.be/wp-content/plugins/formcraft/file-upload/server/content/files/16085706a7f831---96416728796.pdfIn PDF document text
- http://www.festivalmarrakech.info/wp-content/plugins/formcraft/file-upload/server/content/files/1607c5c15b5249---58002611929.pdfIn PDF document text
- https://www.rath-catering.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609001e308a83---xorexex.pdfIn PDF document text
- https://dezsredstvompx.ru/wp-content/plugins/super-forms/uploads/php/files/b31e1ad92d2c0c2552d25a48caea111d/kapibeg.pdfIn PDF document text
- https://chocoinmobiliario.com/wp-content/plugins/super-forms/uploads/php/files/b3982a72622f8a1e62cb152b7ed64aaf/witogadag.pdfIn PDF document text
- http://oishisushigd.com/uploads/files/66118428459.pdfIn PDF document text
- https://medicinasolidale.org/wp-content/plugins/super-forms/uploads/php/files/c1b1b042f0942552cf6e4a9cde45955b/67845095430.pdfIn PDF document text
- https://refour.eu/wp-content/plugins/super-forms/uploads/php/files/ce1adb87e9c78b9df8383a02de16e2a2/purizozozipubenutef.pdfIn PDF document text
- https://gauravkankariya.com/wp-content/plugins/super-forms/uploads/php/files/b95929jk4dafc5viocge9cub82/36021243350.pdfIn PDF document text
- https://connect.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/50dba0ff81ed5dd036d1f76796bf5752/21599701643.pdfIn PDF document text
- http://limpiasol.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cbb82f30e1e---19164346411.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=synthetic+fibres+and+plastics+solutionsPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ee29.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE29 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001063b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1063B | 17324 bytes |
SHA-256: fd3b7e68a919f9a4d3a1680c7360b1f2e08c8def28991f4ca1e28921aa85ebf2 |
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font_02_sfnt_off000132f3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x132F3 | 16140 bytes |
SHA-256: 00b1f632e8afe72716c8bcdb76b7901b56c060d1dc0f96f3f5c1b8373b85735b |
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font_03_sfnt_off00014870.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14870 | 11148 bytes |
SHA-256: ca4b839a59fc6790a1815342cc460e4998644fc336a3d934da3841fa730666d5 |
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