MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. The file contains numerous URLs pointing to compromised WordPress sites and disposable hosting, suggesting it functions as a link farm to distribute malicious content or conduct phishing attacks. No scripts were extracted, but the presence of many external URIs indicates a strong intent to redirect users to potentially harmful external resources.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://medvor.ru/uplcv?utm_term=ecmo+venoarterial+pdf PDF link annotation
- http://lichnyiybrand.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160877d2261ccb---72087041235.pdfIn PDF document text
- http://globalaircrafttech.com/ckupload/files/95657010915.pdfIn PDF document text
- http://www.hydro-tg.pro/upload/file/25940101069.pdfIn PDF document text
- http://www.melodypods.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077839ebaba8---89769235593.pdfIn PDF document text
- https://sharzh-ufa.ru/wp-content/plugins/super-forms/uploads/php/files/fe28caf923079bdfadc07532a0acc28e/63942528640.pdfIn PDF document text
- http://greensketch.in/userfiles/file/sikimumosof.pdfIn PDF document text
- http://globeksa.com/ckfinder/userfiles/files/ronoliginobozuwewig.pdfIn PDF document text
- http://reclaimsplus.com/wp-content/plugins/super-forms/uploads/php/files/73909facd7e87a0106c20101b9943d51/79997897047.pdfIn PDF document text
- http://brainerdhs71.com/clients/0/08/084bd9d902c6a1e3ee48703551c87841/File/10665608290.pdfIn PDF document text
- http://greece-ex.com/images/blog//file/79527477773.pdfIn PDF document text
- http://studiotecnicoarduini.eu/userfiles/files/8232475250.pdfIn PDF document text
- http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/c6d805205395bc3e5e28979f1850ae74/majuserinijives.pdfIn PDF document text
- http://witnesstherealist.com/wp-content/plugins/super-forms/uploads/php/files/6efad9fafaf307d0dd868d6e188e7ac2/nururej.pdfIn PDF document text
- http://servis-hradec.cz/files/file/92602833726.pdfIn PDF document text
- http://andrelandberg.com/userfiles/file/neganagojipilekoxitexaxa.pdfIn PDF document text
- http://asesorialuishervas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d177a1da53---50417721061.pdfIn PDF document text
- https://k9-warrior.com/wp-content/plugins/super-forms/uploads/php/files/jsp7a4394556mnl3nnivs201m1/buxumexomewomikosuxid.pdfIn PDF document text
- https://www.parkgest.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160c40cdbcc994---98111836875.pdfIn PDF document text
- http://www.gonouvellezelande.com/files/xewekosewava.pdfIn PDF document text
- https://ruedi-leuthold.com/userfiles/files/vodejogutokixutidebiji.pdfIn PDF document text
- https://mudateconmigo.cl/wp-content/plugins/super-forms/uploads/php/files/565cf8e920ce8fc423cae8edbd279f50/69415484800.pdfIn PDF document text
- https://drjou-vc.com/upload/files/xilonamokedoj.pdfIn PDF document text
- https://coastalholidayproperty.com/ckfinder/userfiles/files/boretelekoviw.pdfIn PDF document text
- https://adbadog.com/wp-content/plugins/super-forms/uploads/php/files/dd59d9ab52bddcaa64f4f147350ce303/58858674615.pdfIn PDF document text
- https://dgssu.com/upfolder/e/files/20210907042728.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_off0000d1cf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD1CF | 10660 bytes |
SHA-256: 73b008cd4710968b08defa955c087bb4a6df57edba18d43723cca3b92a9cb74e |
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font_01_sfnt_off0000ea2d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA2D | 17404 bytes |
SHA-256: 98f6dd7c4eaba8608813bf0e39ca5c78ec73231b3a6b11dce202d655eb381646 |
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font_02_sfnt_off000116cc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x116CC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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