MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links, many pointing to compromised CMS upload directories and disposable hosting, suggesting a link farm designed to redirect users. While no scripts were explicitly extracted, the PDF format itself can embed JavaScript, and the heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a deliberate attempt to obscure the true destination through multiple redirects.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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 https://www.weboonline.com/ckfinder/userfiles/files/jefev.pdf In PDF document text
- http://pozitron-s.ru/userfiles/file/82936235053.pdfIn PDF document text
- http://brighterhealthcare.co.uk/wp-content/plugins/super-forms/uploads/php/files/ijsjcvlgbdm6rgui271djqdivp/bolorafozulese.pdfIn PDF document text
- http://cukierniabrzezinski.pl/www/artizam/fck/file/26288523619.pdfIn PDF document text
- http://niezapominajkowo.eu/userfiles/file/xigagadon.pdfIn PDF document text
- https://saftanton.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160a501e54c53e---45295921855.pdfIn PDF document text
- https://marljivo.hr/userfiles/file/waxew.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a697db95e21---16124043791.pdfIn PDF document text
- http://afro-safari.com/upload/files/matusuga.pdfIn PDF document text
- http://sl-light.ru/design/img/upload/file/64776179720.pdfIn PDF document text
- http://kingspec.su/wp-content/plugins/super-forms/uploads/php/files/aqeubrnoko9bi6bf3h0jkbf9m2/28897377766.pdfIn PDF document text
- http://aktifithalat.com/resimlerfiles/70376733907.pdfIn PDF document text
- https://mobile-translator.eu/app/webroot/media/files/maxibuposadale.pdfIn PDF document text
- https://phoenixknights.co.uk/wp-content/plugins/super-forms/uploads/php/files/48ca74ab13e64cb697fe86825c566b03/49814858884.pdfIn PDF document text
- http://deauville.ru/files/file/7869949203.pdfIn PDF document text
- https://livingcircles.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1609ecd2e3e366---runewakeku.pdfIn PDF document text
- https://impariant-club.ru/wp-content/plugins/super-forms/uploads/php/files/e9363e725140835d8ccf9ff60f2e44d2/54579506837.pdfIn PDF document text
- http://nprofit.hk/userfiles/visegaxisabekujepe.pdfIn PDF document text
- http://ofitecnic.es/files.ofitecnic/fck_up/file/23803446257.pdfIn PDF document text
- https://www.themeshcowork.com/wp-content/plugins/super-forms/uploads/php/files/39d29828b17008888763c45ece931186/94270253509.pdfIn PDF document text
- http://vanharteyoga.nl/uploads/files/pilivokaxubofotes.pdfIn PDF document text
- https://avigailpekelman.com/sites/default/files/file/vefubumuduk.pdfIn PDF document text
- https://tuabogadoangel.com/wp-content/plugins/super-forms/uploads/php/files/e39e72438c84ac99886eaadcbd88fab9/60236117762.pdfIn PDF document text
- http://smeeing.com/userfiles/files/kujegejufus.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=electromagnetismo+ejercicios+resueltos+pdfPDF 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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000bebb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBEBB | 17312 bytes |
SHA-256: 1cab0b56ff51355edfc720f103f391c3959d53d3ac6c33a37a092858f9078b37 |
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font_01_sfnt_off0000eacb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEACB | 11176 bytes |
SHA-256: 96228e130a470ced503feeda581a6126b5a848af48d2a2707b6c2edae47754aa |
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font_02_sfnt_off000104a9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104A9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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