MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains a link farm directing users to multiple URLs, many of which are hosted on compromised WordPress sites. ClamAV and ML classifiers flagged this PDF as malicious, specifically as a phishing trojan. The presence of numerous external links, many pointing to potentially compromised content management system uploads, strongly suggests a phishing or redirection attempt to deliver further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9833
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 http://maidnheaven.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088fcdc443b0---vurobalizizizajitoxowo.pdf In PDF document text
- http://musorcentrum.hu/files/article/file/tedobugededavazuw.pdfIn PDF document text
- http://amdind.com/userfiles/file/45940735326.pdfIn PDF document text
- http://aklond.com/UploadFilesfile///2021061708594924.pdfIn PDF document text
- https://dungcuruamui.com/wp-content/plugins/super-forms/uploads/php/files/997jpq4l4tvamdroe1ksatlnhi/murokixodebitejovag.pdfIn PDF document text
- http://botosani.ro/img/uploads/file/10502900174.pdfIn PDF document text
- https://stefandes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c75724d8d9f---ruworoginawupilegatusis.pdfIn PDF document text
- https://orldoc.ch/wp-content/plugins/super-forms/uploads/php/files/8p0s7fijtmjrmgitlj73hhlru2/74804589252.pdfIn PDF document text
- https://www.tessilgiada.it/wp-content/plugins/formcraft/file-upload/server/content/files/160b1b89e75ba3---85916311513.pdfIn PDF document text
- https://encouragingmath.com/wp-content/plugins/super-forms/uploads/php/files/892e91a6e508e180730f974503944769/mitiletelexebofe.pdfIn PDF document text
- https://torgradio.ru/new/files/file/79649299946.pdfIn PDF document text
- https://psfund.org/public/uploads/files/cms_files/rorunul.pdfIn PDF document text
- https://allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/59a52adbceae134b71ae3d827b768b37/79837970092.pdfIn PDF document text
- https://www.reparaciondebomba.com.ar/wp-content/plugins/super-forms/uploads/php/files/32912oupi94u6qfi7vdheqes67/37496472702.pdfIn PDF document text
- http://luvnchrlysenglishtoys.com/clients/861429/File/doxupajovubarekakaz.pdfIn PDF document text
- https://mfdesign.hu/files/file/14217755933.pdfIn PDF document text
- http://intelekt.biz/uploads/pages/files/77337836737.pdfIn PDF document text
- http://www.ashtralmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bb63823d900---tivanodevil.pdfIn PDF document text
- https://luxmarketing.agency/wp-content/plugins/super-forms/uploads/php/files/g4vcddnk225tig4fu6br9gd2jt/86162526357.pdfIn PDF document text
- http://xn--b1ahhafccpgkb2bxo.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/78787eeeb0d4e143127f8435ddd3072e/86587469476.pdfIn PDF document text
- http://obrienbuilders.com/userfiles/file/norinuvipemenizexu.pdfIn PDF document text
- https://www.brunosistemi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609acf06dd653---zufoz.pdfIn PDF document text
- https://pensionatiitalianiinportogallo.it/wp-content/plugins/super-forms/uploads/php/files/0e22bba6d3ea18f2e63203d127e52b43/46645838369.pdfIn PDF document text
- https://www.tai.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160a6fd37b5b68---rufelaforojubevepolidude.pdfIn PDF document text
- http://berrybucs1973.com/clients/3/3a/3a2d6910be1067feaf6dc79f90d505e0/File/divogaposavepalajizamaf.pdfIn PDF document text
- https://cremyco.com/app/webroot/docs/file/691608207.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=total+body+works+5000+manualPDF link annotation
- http://janyska.home.pl/_mjanyska2013/fotki/file/93721766165.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_off0000d695.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD695 | 10936 bytes |
SHA-256: 2926b65a28de05d523f10127ea6682edc74f53fc3791102ba839b60c1aa5842f |
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font_01_sfnt_off0000f00e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF00E | 16348 bytes |
SHA-256: 4b6db16fd2eaa16a19ca63d1fd9952d124390d099eaa26bfead29c84e843b12d |
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font_02_sfnt_off00011aa4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11AA4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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