MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains an embedded JavaScript stream and numerous URLs, many of which are hosted on disposable domains or compromised CMS uploads, indicating a link farm designed to redirect users to malicious content. The ClamAV detection and ML classifier strongly suggest malicious intent, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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 http://massvt.sk/editor_uploads/system/files/25198403049.pdf In PDF document text
- http://clearspace-design.com/CKEdit/upload/files/zexijesaxuwatomuwevomat.pdfIn PDF document text
- http://manavpublicschool.org/manav/userfiles/file/42336468529.pdfIn PDF document text
- http://lignumweb.com/site/webroot/uploads/files/sakariwi.pdfIn PDF document text
- http://king-pro.com/userfiles/files/80669910955.pdfIn PDF document text
- http://gokea.org/upload/editor/files/66846333357.pdfIn PDF document text
- https://www.die-umzugsfabrik.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613969d7aa194---7935566390.pdfIn PDF document text
- http://oprandi.it/userfiles/files/vowutobupatenogesax.pdfIn PDF document text
- http://smithmurdock.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135bb06458be---40848880061.pdfIn PDF document text
- https://claphamjunction.com.au/wp-content/plugins/super-forms/uploads/php/files/621a79397df672ae21a08595b7f036d3/76636051518.pdfIn PDF document text
- http://carshopm.com/js/upload/files/wuvufigowefimo.pdfIn PDF document text
- http://commsoft.nu/demo/ktb/wsmbilder/files/wixufifizedowulumazu.pdfIn PDF document text
- https://hainutedecopii.eu/ckfinder/userfiles/files/mokadujesedazaruk.pdfIn PDF document text
- http://hyundaidongdo3s.com/images/files/4959668313.pdfIn PDF document text
- http://flyingwedge.com/uploads/assets/file/87052587059.pdfIn PDF document text
- https://matras-matrasych96.ru/admin/ckfinder/userfiles/files/pemenokis.pdfIn PDF document text
- http://3handseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613afd328bcd6---kedapexogejikusedeb.pdfIn PDF document text
- https://apexsafetyproducts.com/ckfinder/userfiles/files/gororuxagijaxosipakux.pdfIn PDF document text
- http://projecthouse.bg/uploads/CKfinder/files/91126000730.pdfIn PDF document text
- http://xn----7sbbbizu2bxaod.xn--p1ai/userfiles/file/jujumudorizamuwodof.pdfIn PDF document text
- https://goodline.by/userfiles/file/851335416.pdfIn PDF document text
- http://ideatity.com/ckfinder/userfiles/files/66699827777.pdfIn PDF document text
- http://boxethai38.com/upload/file/52634174660.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=html+css+inspector+pro+apkPDF 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_off0000c7f8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC7F8 | 10620 bytes |
SHA-256: 9213968242a1e2a2069b2bf7e684490ab4982bc1224b56de62ffbe57c8e6f901 |
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font_01_sfnt_off0000e027.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE027 | 16920 bytes |
SHA-256: 3afc296aede05142285c24f5eaf9454ee5d967c484a1ef1efeaf73964c9dcfe9 |
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font_02_sfnt_off00010ba8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10BA8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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