MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains numerous embedded URLs pointing to various domains, many of which appear to be compromised WordPress sites or disposable hosting, suggesting a link farm or phishing lure. The `PDF_SEO_DISPOSABLE_LINK_FARM` heuristic further supports this, indicating the document's purpose is to redirect users through a network of potentially malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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=lightroom+6+user+guide+pdf
- http://reszke.pl/fckeditor/editor/filemanager/connectors/php/file/kuwejokukopajas.pdf
- https://twr1115.net/files/fckeditor/file/41925237965.pdf
- https://personalloan2u.com/wp-content/plugins/super-forms/uploads/php/files/1f08a9563df09e3d357cce0c0f02f53e/gotazoxiwaxategexisakanal.pdf
- http://mu-rrrc.com/userfiles/file/tigob.pdf
- https://office-agglo-larochelle.fr/userfiles/file/nolatofopilavazimabupipu.pdf
- https://robertmatzuzi-massagetherapist.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16070111279482---555352206.pdf
- http://ipublicity.cz/data/file/11990421501.pdf
- https://www.mtiwelding.co.uk/admin/ckfinder/userfiles/files/venonojajadosimuxuwokin.pdf
- http://www.ponderosafestival.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c41b2787aa5---deremaselinuwovegikumid.pdf
- https://www.sesc.com.ua/wp-content/plugins/super-forms/uploads/php/files/pc3s8c6r9u9bp1rcqn3jr05hn7/lubipawubomuzawogosug.pdf
- http://www.tecnotrefg.it/wp-content/plugins/formcraft/file-upload/server/content/files/160d6edaa8f919---41723018479.pdf
- https://antae.be/app/webroot/uploads/file/pudojimixotetajekafok.pdf
- https://adm.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/f123a5eb653bccfc61870bdbf779fb1a/zepojugexufogefemanenomef.pdf
- http://www.petersmetalstitching.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16080bfe25da4b---retavoliguzeja.pdf
- https://ewms.vn/wp-content/plugins/super-forms/uploads/php/files/ar7g6269geho1sk19to48qlr9f/gonukawunilosipug.pdf
- https://rockyhotelsgroup.com/uploaded/files/7084785293.pdf
- https://liniagdanskzydowo.pl/files/nubiwujitoxagovevoxidabe.pdf
- https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/9b4e88f0fe3f4b9050cb0682e53f7045/76399962729.pdf
- https://gamedunyasi.com/calisma2/files/uploads/94014240053.pdf
- https://popa.com.br/wp-content/plugins/super-forms/uploads/php/files/3c0a7877b218977f7e659476ddb1e3eb/xumuzekokexixebor.pdf
- http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/be9vaacabkpsai3c8ss1dvojc1/bofigigorinorijugojadeja.pdf
- https://dazzlin.co.uk/wp-content/plugins/super-forms/uploads/php/files/7d9b5bb2368e0a935bd0a3eb653d8e0b/lanexajazagefupigobile.pdf
- https://action-roofing.com/wp-content/plugins/super-forms/uploads/php/files/c8b74393f4a2f8df76a68e8c9c71b2c5/tekuriwinoduzazoxumosim.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ee28.bin5dd80b61fd8047ab98e2d7131673444b0befd93988cbc6ab5ea3f17b757c535f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE28 | 17496 bytes |
font_01_sfnt_off00011bbc.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11BBC | 16792 bytes |
font_02_sfnt_off000133d3.bin47d44071fcdbc1e005a525776188e14cd65f0a2bf7faf3b6338caaae44ba20c5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x133D3 | 10856 bytes |
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