MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It functions as a link farm, directing users to numerous external URLs, some of which are hosted on compromised WordPress sites. The presence of multiple PDF_URI and PDF_SEO_DISPOSABLE_LINK_FARM heuristics further supports its role in distributing malicious links, likely for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://pixomot.ru/uplcv?utm_term=tratamiento+para+la+insuficiencia+cardiaca+congestiva+pdf PDF link annotation
- http://smenergy.kr/uploaded/file/72560970061048a3b9678d.pdfIn PDF document text
- https://sunpower.lv/ckfinder/userfiles/files/tafumuxeru.pdfIn PDF document text
- http://angelcabrera.com/FCKfiles/file/meguvufomojelaluwelix.pdfIn PDF document text
- https://msr-hudsonproperties.com/wp-content/plugins/super-forms/uploads/php/files/62b2a9687833854ced44432cddcc9c9f/vabisoposoraziwofilupal.pdfIn PDF document text
- http://emons-verlag.net/testarea/cwsCMSlight/media/files/suriwiwibemusakepoj.pdfIn PDF document text
- https://bayardplaza.co.uk/wp-content/plugins/super-forms/uploads/php/files/fqcl9n0605ntf3st8kkhdis6nm/bikilafowufiradivomuwukar.pdfIn PDF document text
- http://bradleyhillsapartments.com/demo/uploads/contents/file/27112548804.pdfIn PDF document text
- http://kindervakantieweekdeurne.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16075899553523---66792036083.pdfIn PDF document text
- http://cristal-in.fr/userfiles/file/difipegalaxoxegiwuruvigit.pdfIn PDF document text
- http://www.platformliften.info/wp-content/plugins/formcraft/file-upload/server/content/files/1608af661c51de---65918702997.pdfIn PDF document text
- http://madmojo.com/fckupload/file/37343663549.pdfIn PDF document text
- http://dezmaster.com/userfiles/file/39133627720.pdfIn PDF document text
- http://www.studiolegalefusimorelli.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607797aa27cc5---xatupixapedilabipumukidij.pdfIn PDF document text
- http://glamour-nsk.ru/ckfinder/userfiles/files/37082416463.pdfIn PDF document text
- http://lncxjzxxw.com/upload_fck/file/2021-5-25/20210525042734430020.pdfIn PDF document text
- http://jakebenmd.com/clients/0/0e/0eef9d569b11303d075d19626cc6f958/File/54834205381.pdfIn PDF document text
- http://citadelcaralarms.com/userfiles/file/72452492076.pdfIn PDF document text
- http://poiskvod.ru/images/file/bowirosesiwisetuva.pdfIn PDF document text
- http://cuatro-pr.org/sites/default/files/file/munujosowitonedije.pdfIn PDF document text
- http://drapikowski.pl/uploaded/fck_files/file/ninir.pdfIn PDF document text
- http://sys-svinding.dk/userfiles/file/guwoboverupadadivevuf.pdfIn PDF document text
- http://www.x454.com/wp-content/plugins/super-forms/uploads/php/files/lafrcn04r5b43qqmfgjb3erh25/30431318978.pdfIn PDF document text
- http://intrinhgia.com/admin/webroot/upload/image/files/28483578639.pdfIn PDF document text
- https://fitnessrev.net/wp-content/plugins/super-forms/uploads/php/files/1taa1ciid63um4gld1amfmjatm/ledas.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_off0000f116.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF116 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001092d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1092D | 11092 bytes |
SHA-256: 8f74de5f3f35012732703e9c7453f60aebf19964a2d8ddf914db62fb074e2838 |
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font_02_sfnt_off000122d5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x122D5 | 17552 bytes |
SHA-256: a746ed08559257108273dd442e14488fb46f36b7f19a548b84c03544d7d81877 |
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