MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics as malicious, including a high-confidence ML classifier and ClamAV detection. It contains embedded JavaScript and numerous external URIs, many of which point to compromised CMS upload directories or are part of a link farm on disposable hosting. The embedded JavaScript likely facilitates the redirection to these malicious sites, which are used to distribute further payloads or conduct phishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://ketchas.ru/uplcv?utm_term=thinking+of+my+love+quotes PDF link annotation
- https://www.penyembuhanholistikreiki.com/wp-content/plugins/formcraft/file-upload/server/content/files/160acf40eee0f1---60432284732.pdfIn PDF document text
- https://adasms.fr/userfiles/file/42117454720.pdfIn PDF document text
- https://www.albispanaderia.com/wp-content/plugins/super-forms/uploads/php/files/f08f8741e3eb9d4917207d60d73bf882/wujek.pdfIn PDF document text
- https://xn----8sbaavnccwq4am.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/68936a779b982231736ae6e5fbc85d6b/luneladu.pdfIn PDF document text
- http://www.danvillern.com/wp-content/plugins/super-forms/uploads/php/files/91mov454h3nmlvj5cc0t4q02v3/62311752187.pdfIn PDF document text
- http://www.dnevi-sekretarjev.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16098e1a19c8a7---buvabezugiwimefuk.pdfIn PDF document text
- https://givemeit.ru/wp-content/plugins/super-forms/uploads/php/files/67ae8a1c914a983a1ea6e9edd9ed2696/semuwilodaxisobewuvasew.pdfIn PDF document text
- https://moniimpex.com/wp-content/plugins/formcraft/file-upload/server/content/files/160794bc865895---86716208156.pdfIn PDF document text
- http://kartywspomnien.pl/uploads/assets/file/41919993971.pdfIn PDF document text
- http://huile-de-nigelle.info/userfiles/file/912775676.pdfIn PDF document text
- http://chonburi33.com/userfiles/file/49531808495.pdfIn PDF document text
- http://skyrunarser.com/js/fckeditor/editor/filemanager/connectors/php/connector.php/upfiles/file/210526085308835051yd0bfb.pdfIn PDF document text
- https://www.ideaklinik.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d1f27c7619---vofidewaroxati.pdfIn PDF document text
- http://sinara.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/16078055733b74---zomofifowasiparusibola.pdfIn PDF document text
- http://averon.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160809eb419351---73065588457.pdfIn PDF document text
- https://action-roofing.com/wp-content/plugins/super-forms/uploads/php/files/a2c319519b260cbd619ece3b363024f6/85549600255.pdfIn PDF document text
- https://spencershaulageltd.co.uk/wp-content/plugins/super-forms/uploads/php/files/133e92d827ce19d539ca242577c9221b/xomalobibibojakifosa.pdfIn PDF document text
- https://allcreaturesinc.com/files/files/8108001678.pdfIn PDF document text
- http://bjsixiang.com/jingkelun/userfiles/files/20210626091326.pdfIn PDF document text
- https://lightingsystemscol.com/wp-content/plugins/super-forms/uploads/php/files/48e459dfb5f8b584d3fc630d2b969c81/32095222894.pdfIn PDF document text
- https://donnasalon.ru/wp-content/plugins/super-forms/uploads/php/files/9e1484f0df9027078efdca92a29b18c1/jedebajirufiw.pdfIn PDF document text
- http://bajajsports.com/userfiles/file/97857088289.pdfIn PDF document text
- http://1984wnhs.com/clients/2/25/250e0aaa51dad033202e6c34d8602b4d/File/50936509039.pdfIn PDF document text
- https://envomask.com/wp-content/plugins/super-forms/uploads/php/files/11ad423675aea09ed2f0ba742922d6f5/gudoguf.pdfIn PDF document text
- 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_off000104ac.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104AC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00011cbe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11CBE | 16912 bytes |
SHA-256: 000b65a7cac4f50caec6d9483d762699386c16d8c1bc7a2ee639b4ec83173d07 |
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font_02_sfnt_off0001484e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1484E | 10880 bytes |
SHA-256: 7ee4c289e0d0549d65f0da7d590f94abf240a8f2d217a12b1af2c880da22175a |
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