MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and a machine learning classifier. It contains a link farm with numerous URLs pointing to compromised WordPress sites, suggesting a phishing or malware distribution attempt. The presence of multiple external URIs and the 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic indicate a deliberate effort to obscure the final destination, likely a malicious payload or phishing page.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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 https://chcial.ru/uplcv?utm_term=bengal+tiger+conservation
- https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/phbof260f151unf4bere8gpkbh/suxemidezakifixexonufo.pdf
- http://konemara.hu/userfiles/file/961143063.pdf
- https://givemeit.ru/wp-content/plugins/super-forms/uploads/php/files/722f3fc9c6d35797e427ec0488c86ce2/zutan.pdf
- https://robotics-institute.com/wp-content/plugins/super-forms/uploads/php/files/bcl5tse8sdc470otf6b93lnbcu/11595729163.pdf
- http://bonfiremadigan.com/uploads/fckeditor/file/89374235134.pdf
- http://webcertain.net/contentupload/fckeditorUploads/organization_/file/tajepitedemoxewemodozig.pdf
- http://udokutscher.de/gfx/userfiles/files/54288076159.pdf
- http://discarga.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073f281151c5---91983642128.pdf
- https://www.kalirich.com/wp-content/plugins/super-forms/uploads/php/files/hp7ck5eh78sfj0aquuqa08jvc5/6854648229.pdf
- https://mercedesmazo.es/wp-content/plugins/formcraft/file-upload/server/content/files/1607b2796557b4---83322825973.pdf
- https://www.beewellrx.com/wp-content/plugins/super-forms/uploads/php/files/tmp/22545853826.pdf
- https://eyestech.in/wp-content/plugins/super-forms/uploads/php/files/lgjrlcnb95rf8th46c50ipbkp2/60628024348.pdf
- https://staffxrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/bea865231d6688218be3d4df926bcd99/bevesilojop.pdf
- http://fortlauderdalelimorental.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a5ba990dca1---bobabomuve.pdf
- https://eclipsetheaters.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a40d0697591---77211163478.pdf
- http://sunarfactory.com/userfiles/files/99314246030.pdf
- https://hightechrustremovers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160c0d9f9e346c---pobevetetuwuwurobi.pdf
- http://munsusa.org/userfiles/file/20210515090932.pdf
- http://reiki-roots.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160a02bd31f5a5---30185496496.pdf
- http://infoegrafica.com/userfiles/files/viwidovoxekaza.pdf
- https://bodwellassociates.com/wp-content/plugins/super-forms/uploads/php/files/331bb2f9f096fac78f349a34f28ef2db/59957736220.pdf
- http://www.peopleoftheheath.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d246b0fa4f---lekopitevobogewi.pdf
- https://vallejardin.com/wp-content/plugins/super-forms/uploads/php/files/2d1bf0c442654b5d3486ab2b90f873b1/lavetudubula.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_off0001177e.bin4890e66ab6a2a06f74bc16d976e3b691d551ee4d83ded1a075b38450e2592468 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1177E | 10524 bytes |
font_01_sfnt_off00012fa0.binc9edf327a0a58092de8680998b3f6344db2f92bddcefa5e3139cf0342745c024 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12FA0 | 18196 bytes |
font_02_sfnt_off00015d80.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15D80 | 16792 bytes |
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