MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics and an ML classifier as malicious, specifically identified as a phishing or trojan distribution vehicle. It functions as a link farm, containing numerous URLs that point to compromised WordPress sites, likely serving as a distribution point for further malicious content. The presence of external URIs and link farm characteristics strongly suggests an intent to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9937
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://chcial.ru/uplcv?utm_term=near+the+cross+be+my+glory+ever PDF link annotation
- http://oneself.pro/wp-content/plugins/formcraft/file-upload/server/content/files/1606cffeb5d89b---janarukemo.pdfIn PDF document text
- https://baodinhsolar.com/wp-content/plugins/super-forms/uploads/php/files/p43cekouuuu3io4dqqv9io0tnn/59290184702.pdfIn PDF document text
- http://sotel-perm.ru/site/file/83909994609.pdfIn PDF document text
- https://www.hagensmarketing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160965821b4d83---60993476066.pdfIn PDF document text
- http://cuatro-pr.org/sites/default/files/file/86062289912.pdfIn PDF document text
- http://www.timtransportes.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/1606f369c766c2---dozabuvakej.pdfIn PDF document text
- http://www.timtransportes.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/160c8ed91e5356---noxiwawuwonamut.pdfIn PDF document text
- http://greddy.com/admin/common/ckfinder/userfiles/File/nukutoviwumafogidufekat.pdfIn PDF document text
- https://3dreamstudios.com/wp-content/plugins/super-forms/uploads/php/files/4f3dd204e103f74a195c7473c073f2b6/35535297752.pdfIn PDF document text
- https://thewaves.net/wp-content/plugins/super-forms/uploads/php/files/35tvt0al2fc15gf19dhkdk2lc1/26286115976.pdfIn PDF document text
- https://miamiuniquelimo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b36ea473bf---87912087341.pdfIn PDF document text
- https://www.mysmilestudios.com/wp-content/plugins/super-forms/uploads/php/files/8244e940dd75c51a4a1767d3523fed2a/9050698765.pdfIn PDF document text
- http://austria-ex.com/images/blog//file/36135026969.pdfIn PDF document text
- http://discarga.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607cb15a44e9d---wububuri.pdfIn PDF document text
- http://stroynerud-sm.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160b0f1b69b89e---51079212556.pdfIn PDF document text
- https://yourtuscanyguide.com/wp-content/plugins/super-forms/uploads/php/files/nqjp3th4l2db4tu7efqlqr0kp0/13649990687.pdfIn PDF document text
- https://resulgame.com/calisma2/files/uploads/wivovujabulimelofixatugop.pdfIn PDF document text
- https://brandonsmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/gm9q3kqo464jl5mchoh3t2evc2/rebixofudoluluninakopez.pdfIn PDF document text
- http://www.191seo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b2f1d0e0d9---tepotisarazubiz.pdfIn PDF document text
- http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/c7n4mi5m5jkbkug54m6gmqkjb8/vonemasitakenijotekefiwi.pdfIn PDF document text
- https://drahmetbostanci.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d2f5fd69484---pajin.pdfIn PDF document text
- http://cokhiminhhien.com/media/ftp/file/61537331456.pdfIn PDF document text
- https://www.ferienhof-schneider.de/wp-content/plugins/formcraft/file-upload/server/content/files/16087b0622e34a---tefebifitiripujitu.pdfIn PDF document text
- https://imaggu.com/ci/userfiles/files/bilamigunawudilurulas.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_off0001437f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1437F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00015b91.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15B91 | 17268 bytes |
SHA-256: 980674f38de1ff4336cf8acfa359cca68de0f8d2a76f0a280dd49572912e3da8 |
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font_02_sfnt_off0001888f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1888F | 10776 bytes |
SHA-256: 4c290ff5c0b0076d28141eab8962d00f7cfe9acb4dd16f55b94f72c7e5f29eb3 |
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