MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs pointing to various domains, many of which are hosted on compromised CMS uploads or appear to be part of a link farm. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware delivery. No scripts were extracted, but the structure suggests a lure to external malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
Heuristics 6
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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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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://infrive.ru/uplcv?utm_term=formula+to+find+the+volume+of+a+prism
- http://dohertylaw.net/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/67891397407.pdf
- http://jagodkaprzedszkole.pl/userfiles/file/nubezavux.pdf
- http://svs-pm.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d03c43c763a---mufinu.pdf
- http://bephoangdung.vn/uploads/ckfinder/files/4235669257.pdf
- http://stromzeleny.cz/file/72115961878.pdf
- https://www.dentaltaxpros.com/wp-content/plugins/super-forms/uploads/php/files/3299199fbeccdc114861fe0bdf911784/84077867696.pdf
- http://aliotoconsulting.com/clients/862286/File/59247125748.pdf
- http://askort.pl/Upload/file/xubudisexiwaxudusilojufe.pdf
- https://alixdemassy.fr/userfiles/file/zusowefarav.pdf
- https://cffcommunications.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/16092d431c69f0---tuwenazuwelimosonajapivu.pdf
- http://uniroll.pl/user_images/file/1710071629.pdf
- http://sarahscupcakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a00a431fb39---gavitobowudufajig.pdf
- https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/a587b9f7eb7dfa07608d330527bed433/37851541947.pdf
- http://www.mywil.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160a4f69e5f74a---pisudolavufupatiburuluji.pdf
- https://elitestrategyglobal.com/wp-content/plugins/super-forms/uploads/php/files/cdbbd3cd5c981ec33000c8a92cf830d1/muxar.pdf
- http://ne-moloko.ee/wp-content/plugins/super-forms/uploads/php/files/3f71d7e52f9d78cdbdfe5e44470cf590/defobedanebotebidati.pdf
- https://betalinktech.com/blmedia/file/rafodujuzozotepabi.pdf
- https://bettyloupaints.com/userfiles/files/makivonevuneju.pdf
- http://ytbozhuo.com/upload/file/032305508394.pdf
- https://akamercedes.com/images/uploads/files/84976715558.pdf
- https://www.denisonlandscaping.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071a96758655---devez.pdf
- https://www.kadinlarsitesi.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607bb3db792e7---pezitemit.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000dc4a.bin2b6a97c72d9db04c9575414e1c8913812c99f957a020e2903d328311d540931d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC4A | 18048 bytes |
font_01_sfnt_off00010c05.bin2f02b8a10991778324b0d2ee266b564a136a82dd58d69b98ee369f9107d75708 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C05 | 10904 bytes |
font_02_sfnt_off0001250b.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1250B | 16792 bytes |
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