MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing or trojan. It contains numerous embedded URLs that point to compromised WordPress uploads and other disposable hosting sites, indicating a link farm designed to redirect users to malicious content. The presence of these links and the overall structure strongly suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://catamma.ru/uplcv?utm_term=iphone+se+2020+vs+galaxy+s9 PDF link annotation
- http://coyada.com/up_images/up_images/5074062967.pdfIn PDF document text
- http://innovatepc.com/userfiles/file/14850020357.pdfIn PDF document text
- https://silverstonedevelopments.com/ckfinder/userfiles/files/firifuvonujaki.pdfIn PDF document text
- https://bestcoloringpages.com/userfiles/file/1935129209.pdfIn PDF document text
- https://amzentransportationindustries.com/admin/imagetemp1/file/nuromomowaxotu.pdfIn PDF document text
- http://carszana.com/image/upload/File/xawageluzutenufat.pdfIn PDF document text
- http://rbc-bezorgdiensten.nl/upload/58654859512.pdfIn PDF document text
- http://parfumland.sk/upl/kokulafipujonolesox.pdfIn PDF document text
- http://888chji.com/userfiles/files/vanatomada.pdfIn PDF document text
- http://klgd.spokoino.ru/i/upload/files/34392603616.pdfIn PDF document text
- http://studiogallerani.it/userfiles/files/tudora.pdfIn PDF document text
- http://asu.com.vn/wp-content/plugins/super-forms/uploads/php/files/tin2hf32670flsbs2p95gjpvgm/46758353192.pdfIn PDF document text
- http://famcareconnect.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613986282be48---63624062602.pdfIn PDF document text
- https://veritiesinstitute.com/wp-content/plugins/super-forms/uploads/php/files/edb6423ecf7a15d7d7b7b36f862c13a0/fumirunetonov.pdfIn PDF document text
- http://j1medical.com/uploaded/file/mewodur.pdfIn PDF document text
- https://profipreklady.cz/www/ckfinder/userfiles/files/63980370696.pdfIn PDF document text
- http://csc-028.com/userfiles/file/20210915221435_lhnfwd.pdfIn PDF document text
- http://ecme.site/2015/vat/upload/files/32962760424.pdfIn PDF document text
- http://www.ap-arte.ro/fckupload/file/fumelixusadiril.pdfIn PDF document text
- http://potentialdesign.cn/userfiles/file/1630780615.pdfIn PDF document text
- http://bjhtdszdh.com/v15/Upload/file/2021914161523639.pdfIn PDF document text
- http://abbeytraining.net/userfiles/file/gomor.pdfIn PDF document text
- https://tiguan-wiki.ru/file/vutafiwejifuguxa.pdfIn PDF document text
- https://ateneoarbonaida.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138a2df9de35---jefeparokiludasekeg.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_off0000b29c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB29C | 15632 bytes |
SHA-256: 02aef7d23aa48eb96cc39216483df39f1c33cceff2535febb94a493506863b16 |
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font_01_sfnt_off0000dab0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDAB0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f2c7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2C7 | 10884 bytes |
SHA-256: ab6081f43aff217389475ac0dd528614217fa480f1a9497d763d01808cf836b4 |
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