MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is identified as malicious by ML classifiers and ClamAV, specifically as a phishing trojan. It contains numerous URLs, many of which are hosted on compromised CMS platforms or disposable domains, suggesting a link farm designed to redirect users. The presence of 'utm_term' parameters in some URLs further indicates a phishing or spamming campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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://philabc.ru/uplcv?utm_term=modals+multiple+choice+test+pdf PDF link annotation
- https://trickapotisk.cz/webpagebuilder/ckfinder/userfiles/files/6946389850.pdfIn PDF document text
- http://www.ponderosafestival.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132af83f365c---wedibuline.pdfIn PDF document text
- https://ixiu-23.com/uploads/files/202109091011211369.pdfIn PDF document text
- https://bindazzled.com.au/wp-content/plugins/super-forms/uploads/php/files/532a768da3ff0b3871f9eac57becb474/78243200852.pdfIn PDF document text
- http://eko-inwest.eu/upload/file/kanataluku.pdfIn PDF document text
- https://dlt-nkp.com/fileupload/file/30834919533.pdfIn PDF document text
- http://outspokenholland.com/userfiles/fckFile/20210902104503.pdfIn PDF document text
- http://htwy.com/upload/file/wenasoseguwuzitujunasunuf.pdfIn PDF document text
- https://kotypsy.pl/ckfinder/userfiles/files/53595752895.pdfIn PDF document text
- http://sicilalluminio.it/userfiles/files/59465439586.pdfIn PDF document text
- http://i-dron.cz/data/file/fegalezibojujananiwoxemob.pdfIn PDF document text
- http://dvarenda.ru/upload/file/retizibogonuwatizujizip.pdfIn PDF document text
- http://skpizzasubs.com/uploads/files/mogagate.pdfIn PDF document text
- http://addisonplaza.abwingsmd.com/uploads/files/kuzazapugexudipumijat.pdfIn PDF document text
- http://abapaposentados.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613c91a715315---zawivomobezaneje.pdfIn PDF document text
- http://sushiloverca.com/uploads/files/23916419843.pdfIn PDF document text
- http://trips-in.com/ckupload/files/8902105494.pdfIn PDF document text
- https://sistemagestiondpr.com/userfiles/file/96819861901.pdfIn PDF document text
- http://gursakaryahukuk.com/images/file/15613737732.pdfIn PDF document text
- http://geodavidepini.it/userfiles/files/74879072792.pdfIn PDF document text
- http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/fjvrhm8e9vde7js8f8fp55p0n0/52929289831.pdfIn PDF document text
- http://cgmorenanews.com.br/ckfinder/userfiles/files/gufira.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_off0000c22e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC22E | 17052 bytes |
SHA-256: 6eece1818b28da6f0ee4b360debdfee3b2fa560f2082421d402b88062223c56d |
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font_01_sfnt_off0000edab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDAB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000105c2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x105C2 | 10772 bytes |
SHA-256: c49ce99811735f609ef5cea33b0d31a1010dda4f79bb8eb47f83a70d4eb7d425 |
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