MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file contains embedded JavaScript and a large number of external URIs, many of which point to compromised websites or disposable hosting. The heuristic firings indicate it is a link farm designed to redirect users, likely for phishing or malware distribution. The embedded JavaScript is likely used to facilitate these redirects or obfuscate the malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
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://philabc.ru/uplcv?utm_term=quicksilver+avengers+and+xmen PDF link annotation
- https://sieuviet.net/webroot/img/files/37679993131.pdfIn PDF document text
- https://www.pferde-fuer-unsere-kinder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1614090e193e5a---wuxetenonorazu.pdfIn PDF document text
- https://b2cexpressdemo.com/userfiles/file/fevuludafomodojowo.pdfIn PDF document text
- https://dottoridegregorio.it/public/file/rawusopopunejo.pdfIn PDF document text
- https://asaptransfers.co.uk/wp-content/plugins/super-forms/uploads/php/files/e8350ab006b80c3cdf5f9bf30c9627b3/silusunezufowuwaduzor.pdfIn PDF document text
- https://www.sensormaticltd.com/app/templates/js/ckfinder/userfiles/files/59122835393.pdfIn PDF document text
- https://anglarill.net/userfiles/file/9414911662.pdfIn PDF document text
- http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/16140c4da36420---gilufut.pdfIn PDF document text
- https://floridainvestment.cz/files/file/50407474364.pdfIn PDF document text
- https://drishtinetcom.in/FCKeditor/file/64569822217.pdfIn PDF document text
- https://towa-aaa.jp/userfiles/file/famut.pdfIn PDF document text
- https://web-sila.ru/wp-content/plugins/super-forms/uploads/php/files/e1766f14a2604eb8c54bb6bb31823d21/lupakukogudowawanam.pdfIn PDF document text
- http://ventima.ru/userfiles/file/mifiguxuvekulabeme.pdfIn PDF document text
- http://www.hgbehringer.de/img/files/files/77774727989.pdfIn PDF document text
- http://anbao.vn/uploads/userfiles/file/59318776852.pdfIn PDF document text
- http://www.rify.us/cms-uploads/files/55358107140.pdfIn PDF document text
- http://ambulatorioveterinarioilprato.eu/userfiles/files/12955436268.pdfIn PDF document text
- https://patriciogaete.com/upload/file/jadenepa.pdfIn PDF document text
- http://verkoop-je-wagen.be/wp-content/plugins/formcraft/file-upload/server/content/files/16149256cf36a0---riwadopaboz.pdfIn PDF document text
- http://lungshingcentre.com/userfiles/jixelaxifom.pdfIn PDF document text
- https://hrmconsulting.biz/upload/files/sufixuzila.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_off0001122d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1122D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00012a3f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A3F | 18308 bytes |
SHA-256: ac7085d5b366e16cd9d73771db305a7eb3ab4277dc2cf767c59533620cf9f9fe |
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font_02_sfnt_off000159b3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x159B3 | 10916 bytes |
SHA-256: cbfb657faad9c274a76d9b0fc44a895b48689bb84abf9e4d3b5449bceb067626 |
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