MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF document contains numerous links, many pointing to compromised WordPress sites, suggesting a phishing or redirection campaign. The 'SE_INVOICE_LURE' heuristic indicates the document's content is designed to deceive users into clicking these links. ClamAV detection and ML classification confirm the malicious nature of the file, likely serving as a dropper for further malicious activity.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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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://medvor.ru/uplcv?utm_term=how+to+do+a+stacked+waterfall+chart+in+excel+2016 PDF link annotation
- https://www.darrellstuckey.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d394b479a3---wojelajoz.pdfIn PDF document text
- http://www.scmphotography.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16092ac908695f---japotenazotozetu.pdfIn PDF document text
- https://leunamgroup.com/wp-content/plugins/super-forms/uploads/php/files/dc648584160e6a755ba54c8df8ea641c/siwuluzitubufop.pdfIn PDF document text
- https://www.kadeavenue.com/wp-content/plugins/super-forms/uploads/php/files/ba7e28cca008da2ba010fcaaf2d6c89d/bimemitugigavikojoretin.pdfIn PDF document text
- http://orbitsecurity.qa/pro_mvp_tech/uploads/file/90690528944.pdfIn PDF document text
- http://supermarketdv.ru/files/file/76325733333.pdfIn PDF document text
- http://www.carolglassman.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa85c689df3---34607190823.pdfIn PDF document text
- http://europeanprofservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607433e9c06a8---45274012100.pdfIn PDF document text
- https://grahampropertytax.com/wp-content/plugins/super-forms/uploads/php/files/d2eff4d65fbeb481e51a138a6ca6ee83/66973427453.pdfIn PDF document text
- http://symbioticlifetech.org/attfile/fckimg/file///2021051520538_1025438064.pdfIn PDF document text
- https://www.focus.mu/wp-content/plugins/super-forms/uploads/php/files/4e9b5fb1070dedc52d22651db6d13546/fotopoxepo.pdfIn PDF document text
- http://hrt-foto.hu/_user/file/80336433173.pdfIn PDF document text
- https://nutritie-metabolism-sanatate.ro/app/webroot/files/userfiles/files/gutuzuduwapizom.pdfIn PDF document text
- http://goodwill.pl/userfiles/file/78290331447.pdfIn PDF document text
- https://editionsitaliques.com/userfiles/file/jenafewuzonu.pdfIn PDF document text
- https://www.pietri-automobiles.com/wp-content/plugins/super-forms/uploads/php/files/ipk0rfojljatv8aii1reh91800/74135775593.pdfIn PDF document text
- https://samudra99.com/contents//files/lobesitetiligedatago.pdfIn PDF document text
- https://xn----7sbabak5acz7byau.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/fedba029fac42d1b6ecbe3e23ee1aa04/46865747437.pdfIn PDF document text
- http://www.combatsim.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160fe65ea3cbbd---92436477505.pdfIn PDF document text
- http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/7184a69n9cbstt92nke405vd71/benagawatogekupipage.pdfIn PDF document text
- http://www.oiseaubleu-promo.fr/userfiles/file/8873594061.pdfIn PDF document text
- https://www.allterra.group/wp-content/plugins/super-forms/uploads/php/files/d38592a9db57da378cea2cee8691f62e/91893567413.pdfIn PDF document text
- http://windcampus.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607eef1ecec55---pimewedijusazajobiw.pdfIn PDF document text
- http://archetipoingegneria.it/userfiles/files/selomaf.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_off0000f756.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF756 | 18072 bytes |
SHA-256: e3ccfa453e36c2c1261a458c8f0be540b72447503404c324d7da50a437f1ac91 |
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font_01_sfnt_off000126bf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x126BF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013ed6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13ED6 | 11304 bytes |
SHA-256: 090b4467f22e60361f4a24a939f88326a610840e6466c1b5c215915d7646e550 |
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