MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and ML classifiers, indicating a phishing or trojan threat. It contains embedded JavaScript and numerous external URIs, many pointing to compromised WordPress sites, forming a link farm. These links likely lead to further malicious content or phishing pages, attempting to trick users into visiting them.
Machine Learning
- Nyx PDF Classifier malicious score 0.9916
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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://inwebjor.ru/uplcv?utm_term=present+simple+and+continuous+intermediate+exercises PDF link annotation
- https://www.finestkindcharter.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609209dd513fe---kipok.pdfIn PDF document text
- https://thesmithgrouphouston.com/wp-content/plugins/super-forms/uploads/php/files/3d1f84ee5c2e286ae0df0030746c472a/44622500594.pdfIn PDF document text
- https://mpksieradz.pl/upload/file/56695550724.pdfIn PDF document text
- https://amalighting.com/wp-content/plugins/super-forms/uploads/php/files/bb5e1ee12fe087d9ea03a8e68fba1c7e/87221729511.pdfIn PDF document text
- http://lawyergz.net/uploadfile/files/1636915007.pdfIn PDF document text
- https://micast.de/wp-content/plugins/super-forms/uploads/php/files/jhuju6tn3jrcqk595dorlaa5vr/fepilonagifijijuvup.pdfIn PDF document text
- http://pcccphucvinh.com/upload/files/80703714777.pdfIn PDF document text
- https://dhcom.vn/userfiles/file/70692216826.pdfIn PDF document text
- https://baileyelectrical.services/wp-content/plugins/super-forms/uploads/php/files/haaaur2t2qumua2lisd58n4h5t/37282943178.pdfIn PDF document text
- http://labmansour.com/app/webroot/js/ckfinder/userfiles/files/fetisa.pdfIn PDF document text
- http://afgventuregroup.com/cfiles/file/92980949246.pdfIn PDF document text
- http://stamforgtechnologies.com/uploads/81451957568.pdfIn PDF document text
- http://finsura-lifedirect.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608f1e5510bcf---fipejekosawol.pdfIn PDF document text
- http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/677dq2uqjuqrsp3ec7g499k354/vupalajolipoxomideko.pdfIn PDF document text
- http://philippinesroadshow.com/wp-content/plugins/super-forms/uploads/php/files/8631d720689cbd14c02725a6d4e33365/22365869685.pdfIn PDF document text
- https://www.ezhealthcheck.com/wp-content/plugins/super-forms/uploads/php/files/ae2s0u7g8vf0v2rqs8slb71m9a/53575305404.pdfIn PDF document text
- https://wentworthre.com/wp-content/plugins/super-forms/uploads/php/files/1b94f7866a69ef59429ce80b0de821a7/buwetusezatitibibi.pdfIn PDF document text
- http://tulsamemorialclass1969.com/clients/8/8b/8b8b36ecbaf17f244e47af75a29dfbe2/File/podekalolafapovukezil.pdfIn PDF document text
- http://mptech.vn/ckfinder/userfiles/files/61575784448.pdfIn PDF document text
- http://jarosi.hu/files/file/wexewoponoxozarikazoziwez.pdfIn PDF document text
- https://avis-medical.ma/wp-content/plugins/super-forms/uploads/php/files/6b7bbb3e5326ed526525466e31ef384b/87896751122.pdfIn PDF document text
- http://www.associatedomains.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076a236086c2---juguzazolo.pdfIn PDF document text
- https://aspirans.com/files/file/47318082283.pdfIn PDF document text
- http://www.ecostroyservis.ru/File/lafebogudoli.pdfIn PDF document text
- http://sor1310.com/userfiles/file/27152331147.pdfIn PDF document text
- https://dmvassociates.com/wp-content/plugins/super-forms/uploads/php/files/b2f057e5a03a93183f1d9239bcef1a86/nurux.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_off0000b7fa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB7FA | 10880 bytes |
SHA-256: 923837fd9e650311d1503e4bae1afa19414eb84744634733b3fc8d740d32bf4a |
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font_01_sfnt_off0000d122.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD122 | 14212 bytes |
SHA-256: 467ea382717bb9dc9266a0e75ae05e629a4ec04f110329cf6ccc4def44c78be0 |
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font_02_sfnt_off0000f47e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF47E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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