MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by ClamAV as a phishing trojan and ML classifiers indicate a high probability of maliciousness. It contains embedded JavaScript and numerous external URIs, many of which point to compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of embedded JavaScript indicates an attempt to execute code within the PDF viewer.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://nvsrolko.org/ckfinder/userfiles/files/lupekav.pdf In PDF document text
- https://rotitelor.com/contents/files/97066791158.pdfIn PDF document text
- https://sibirprokat.ru/ckfinder/userfiles/files/xomoda.pdfIn PDF document text
- https://alice-immo.com/userfiles/file/19179533260.pdfIn PDF document text
- http://doo-san.com/userfiles/file/20210920045919.pdfIn PDF document text
- http://nordicwalkingturak.hu/_user/file/97558233707.pdfIn PDF document text
- https://atx-stroy.ru/wp-content/plugins/super-forms/uploads/php/files/dd70b798fbd517a4909157684fb36557/62800266426.pdfIn PDF document text
- http://www.hptindia.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613157c10bc41---60788755536.pdfIn PDF document text
- http://blackivy.pl/userfiles/file/muzemimuv.pdfIn PDF document text
- https://careerexpo.alljobsinliberia.com/ckfinder/userfiles/files/4833523508.pdfIn PDF document text
- http://turbotechnik24.de/userfiles/file/27838896192.pdfIn PDF document text
- http://ambvetsanprospero.eu/userfiles/files/8125907591.pdfIn PDF document text
- http://queenart.kr/userData/board/file/48469281626.pdfIn PDF document text
- http://nktrading.qa/file/files/vuzonazaliwusu.pdfIn PDF document text
- https://fermuar.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613169e7f0742---82636405045.pdfIn PDF document text
- http://cuspsurgeons.com/userfiles/file/divafilezitomu.pdfIn PDF document text
- http://saludocupacionalpso.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/16146188d3dc75---77106781394.pdfIn PDF document text
- http://lednotice.com/userData/board/file/kekeb.pdfIn PDF document text
- http://costruzionibulagna.it/userfiles/files/bevizazamunej.pdfIn PDF document text
- https://delaneyllc.com/ckfinder/userfiles/files/bureje.pdfIn PDF document text
- http://marcelponjee.nl/ponjeefiles/file/zavilupalibolipo.pdfIn PDF document text
- http://lideparts.com/userfiles/file/1631031184.pdfIn PDF document text
- https://www.travelknowhowscotland.co.uk/assets/js/ckfinder/userfiles/files/75477829909.pdfIn PDF document text
- http://khachsandomino.com/hinhanh_fckeditor/file/tulukovekusodi.pdfIn PDF document text
- http://www.dfdtrading.sk/ckfinder/userfiles/files/bumejiwudixamexageleri.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=traffic+rider+mod+app+downloadPDF 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_off0000c418.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC418 | 16172 bytes |
SHA-256: 8cd0ede2811e19eb76957e98cad97e04f86a7fb4fef3df99acb4cbedc5d6beaf |
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font_01_sfnt_off0000ed9b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED9B | 10564 bytes |
SHA-256: 0bb63c4f3e147ee910f23f8f95402c359d4691e6f83feecf101b17a952866582 |
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font_02_sfnt_off000105b5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x105B5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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