MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. Heuristics indicate the document functions as a link farm, directing users to multiple external URLs hosted on potentially compromised or disposable domains. The presence of numerous unknown URLs suggests a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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 http://agecarekorea.com/ckupload/files/91532300399.pdf In PDF document text
- https://pottoka.info/files/galeria/files/dubusabut.pdfIn PDF document text
- http://myarrahnu.com/mo_images/files/boxatesapopusewikufojaku.pdfIn PDF document text
- http://anbao.vn/uploads/userfiles/file/sebimetegisodokujizagon.pdfIn PDF document text
- https://www.infratechgroep.nl/wp-content/plugins/super-forms/uploads/php/files/cd9c99543d11528df72c8645e9a6ab33/12603915278.pdfIn PDF document text
- https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/aecc98714c9da314b941454b673a6b52/puvase.pdfIn PDF document text
- http://megat.pl/uploaded/fck_files/file/xovadaloli.pdfIn PDF document text
- http://ebus.cn/up_file/file/21210999301.pdfIn PDF document text
- https://corcreation.twbiz.me/data/fckeditor/files/20210906_010452.pdfIn PDF document text
- http://amdind.com/userfiles/file/59485798458.pdfIn PDF document text
- http://umffz21.ru/admin/ckfinder/userfiles/files/1691809606.pdfIn PDF document text
- http://www.reroofingbrisbaneqld.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1613c26e91f4a3---69185742413.pdfIn PDF document text
- http://xn--9w3b270a7kf.kr/ckfinder/userfiles/files/xezuw.pdfIn PDF document text
- http://pc580.cn/upload_fck/file/2021-9-8/20210908085521971286.pdfIn PDF document text
- http://basumati.com/app/webroot/ckfinder/userfiles/files/rikiwobowexofupevawaj.pdfIn PDF document text
- http://reversetheclocknow.com/ckfinder/userfiles/files/pukajidivixijises.pdfIn PDF document text
- https://udruga-invalida.hr/files/guwumupibalib.pdfIn PDF document text
- http://quartierdete.fr/uploads/fckeditor/file/75041778175.pdfIn PDF document text
- https://thebillionbottom.com/business_school/uploads/file/vafovawijixeru.pdfIn PDF document text
- http://ijfbn.com/editor_up/laxovenid.pdfIn PDF document text
- http://pebyte.com/wp-content/plugins/super-forms/uploads/php/files/jc00o67qo5ljsh0ns67bpr0s7u/kemowakuwinisakuvufen.pdfIn PDF document text
- http://liqaa-lb.com/files/userfiles/files/dizojuxe.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=facebook+lite+hackerPDF 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_off0000d3d6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD3D6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ebe8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBE8 | 18364 bytes |
SHA-256: 811312ac021ed6d98e9215a5dda4a8f99a81cf7498f9d4837b64b67a758ca836 |
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font_02_sfnt_off00011bd0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11BD0 | 10264 bytes |
SHA-256: 64aec0ef4eb96cbddc3bdb06fe30a0ea81175234607f57a82615f448953bbad6 |
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