MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which point to compromised or disposable hosting. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates the document is designed as a link farm, likely to distribute phishing content or malware. The embedded JavaScript, while not fully detailed, is a common vector for exploiting PDF vulnerabilities or redirecting users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
Heuristics 7
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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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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://crysiq.ru/uplcv?utm_term=gender+in+macbeth+analysis+pdf PDF link annotation
- http://france-ex.com/images/blog//file/pogonodebipipepetos.pdfIn PDF document text
- https://georeno.ca/userfiles/files/34771352042.pdfIn PDF document text
- https://mudateconmigo.cl/wp-content/plugins/super-forms/uploads/php/files/e43344ca40e1688fe1a5f608de60e450/52261058965.pdfIn PDF document text
- https://hattoco.vn/images/ckeditor/files/27120813080.pdfIn PDF document text
- http://kurumakaitori-one.com/js/upload/files/todusagurawar.pdfIn PDF document text
- https://masterok-kovka.ru/wp-content/plugins/super-forms/uploads/php/files/18f6cfd4bfac81979c073aa0aad2d292/31576162040.pdfIn PDF document text
- https://sportnazona.bg/f/uploads/files/sanutudad.pdfIn PDF document text
- http://kaies.cn/upfiles/2105252101167382320vyo62.pdfIn PDF document text
- https://efnnma.org/files/file/xusoteb.pdfIn PDF document text
- https://ruiguoex.com/upfile/files/2021/07/18/91780577697.pdfIn PDF document text
- http://jshanwoo.com/ckfinder/userfiles/files/butuwesejedi.pdfIn PDF document text
- http://dataprint.ie/uploads/file/xuwutox.pdfIn PDF document text
- http://mynigaoe.com/upload/file/20210714163058.pdfIn PDF document text
- http://www.iamgoingto1996.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a11a5735a6d---gurevegokisoramofopolu.pdfIn PDF document text
- https://globalclassic.org/wp-content/plugins/super-forms/uploads/php/files/qh1d9if6co6tcf4p9icla89qg9/94662513548.pdfIn PDF document text
- http://fructusartis.com/i/File/berebipunoletusugorakef.pdfIn PDF document text
- https://wilocom.ro/ckfinder/userfiles/files/rurubutofevadexepatezase.pdfIn PDF document text
- https://atlasautoglass.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607232b0ad87e---6742752425.pdfIn PDF document text
- http://yanartextil.com/firma/files/makujiwefepesuzotitar.pdfIn PDF document text
- https://www.vita-organic.eu/admin/ckfinder/userfiles/files/3656527501.pdfIn PDF document text
- http://statewideroadservices.com/clients/879378/File/zetowup.pdfIn PDF document text
- http://cuborh.com/natelinhanew/js/ckfinder/userfiles/files/94622641966.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_off0000df13.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF13 | 17824 bytes |
SHA-256: 1845cd08abde8bece56f680ceb05043dfc751c01c248d9a7bd02cd6c8fde2cdb |
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font_01_sfnt_off00010d00.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D00 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012517.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12517 | 11056 bytes |
SHA-256: fb870bd67baa0f8b2e955d310b414f91c786bb4a0786aef573fee977fc482673 |
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