MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample is a PDF file identified as malicious by ML classifiers and ClamAV. It contains numerous embedded URLs, many of which point to compromised WordPress sites or disposable hosting, indicating a link farm designed to redirect users. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly suggests this is a tactic for SEO manipulation or to host phishing/malware lures.
Machine Learning
- Nyx PDF Classifier malicious score 0.9986
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=8th+standard+first+term+english+guide PDF link annotation
- http://meyergarden.com/ckfinder/userfiles/files/bikunikorufotekufeta.pdfIn PDF document text
- http://studiocalcinoni.com/userfiles/files/sotadanuzopelujarejo.pdfIn PDF document text
- http://cheers-gifts.com/userfiles/18399391840.pdfIn PDF document text
- http://www.leposeur.fr/site/upload/ckfinder/files/47620696343.pdfIn PDF document text
- http://uk-finansist.ru/userfiles/file/bovemomolaviz.pdfIn PDF document text
- http://beckydavidsonhomes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614e0a1020f77---miritapegifubujiwarajob.pdfIn PDF document text
- http://kietminhrivet.com/upload/files/48503856472.pdfIn PDF document text
- https://nationalshield-uae.com/userfiles/files/rotigatezew.pdfIn PDF document text
- http://computer-rudolstadt.de/upload/file/78317367675.pdfIn PDF document text
- http://kargo-box.com/uploads/files/wixapokelaroforafejaru.pdfIn PDF document text
- http://kolesnikov.pro/ckfinder/userfiles/files/nazubunerebumexirewaxuf.pdfIn PDF document text
- https://technoarc.net/userfiles/file/pevevegivudejosomomenaton.pdfIn PDF document text
- http://sicompk.com/survey/userfiles/files/dowujobowet.pdfIn PDF document text
- http://multi-accueil.fr/ressource/site-image/files/tenisijovavetatobu.pdfIn PDF document text
- http://lisaarkinlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/60616771118.pdfIn PDF document text
- http://mwflower.com/upimagesfile///20218389207.pdfIn PDF document text
- http://www.medicalalliedtraining.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f502245473---73935650742.pdfIn PDF document text
- http://jshtextile.com/UserFiles/file///pejej.pdfIn PDF document text
- https://goactive.hu/wp-content/plugins/super-forms/uploads/php/files/0997f2312aa5cc3624abbfa9579906fd/toxamironarisugijozek.pdfIn PDF document text
- http://thevalleytrader.com/files/12373531001.pdfIn PDF document text
- https://creteotels.gr/FCKeditor/userimages/file/menubovafupixelarupejex.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_off0000b26a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB26A | 10892 bytes |
SHA-256: fb98a15f4233cce24211686e663b8c3828cde7f7e005cd1162564c02bd1bfffe |
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font_01_sfnt_off0000cb24.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB24 | 17120 bytes |
SHA-256: 24011acda2ba70f8a58febdc34e72078112b74ecea2c8a9120853f66900dddfe |
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font_02_sfnt_off0000f725.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF725 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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