MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous external links, many pointing to compromised CMS uploads or disposable hosting, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution. The presence of multiple external URIs and a link farm heuristic points towards an attempt to redirect the user to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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://pixomot.ru/uplcv?utm_term=caller+app+for+android PDF link annotation
- https://khabul.mn/mmpa/userfiles/files/28691851372.pdfIn PDF document text
- https://bbox.ru/images/shared/file/sonevatuvu.pdfIn PDF document text
- http://jj-metals.com/userfiles/file/2021091311032473499.pdfIn PDF document text
- https://fertilizergranulatorprice.com/d/files/vufiva.pdfIn PDF document text
- http://kor-ra.ru/UserFiles/file/pulozodakaba.pdfIn PDF document text
- https://independentmusicleague.com/wp-content/plugins/super-forms/uploads/php/files/ade8c807b9175f9af48d9a1daf65de4f/jilenedujerefaraforewiz.pdfIn PDF document text
- http://helenhotel.vn/upload/files/251847077.pdfIn PDF document text
- https://tselectromechanical.com/uploads/CKfiles/files/defevisabixixuwefum.pdfIn PDF document text
- http://chipublichouse.com/ckfinder/userfiles/files/nokapewa.pdfIn PDF document text
- http://billedbutikken.dk/articlefiles/file/fezegamuvisuve.pdfIn PDF document text
- http://www.mueblesgamez.com/ckfinder/userfiles/files/bebuwekajifa.pdfIn PDF document text
- https://leavereview.com/customerinterview/ckfinder/userfiles/files/dekenilefogumifana.pdfIn PDF document text
- https://mosoptagro.ru/wp-content/plugins/super-forms/uploads/php/files/7c9c7ac633208057d07e7e43bb08ab21/legibiw.pdfIn PDF document text
- http://xingzhongjing.com/userfiles/file/20210907184825_2078198845.pdfIn PDF document text
- http://pumarecovery.com/userfiles/files/88014244091.pdfIn PDF document text
- http://www.naturapreserved.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a7e9d124c5---wugawuw.pdfIn PDF document text
- https://ratodua.com/contents/files/jotiwigevuremupuvadusowud.pdfIn PDF document text
- http://mariekevanvlierden.nl/survey/userfiles/files/14768783706.pdfIn PDF document text
- http://fuzoku-kyujin.jp/ckfinder/userfiles/files/54372045186.pdfIn PDF document text
- https://netcsemege.elelmiszer-hazhozszallitas.hu/ckfinder/userfiles/files/parutodoralaw.pdfIn PDF document text
- https://ohligschlaeger-berger.de/wp-content/plugins/formcraft/file-upload/server/content/files/16136efc83a0b2---6356201615.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://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_off0000daad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDAAD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f2c4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2C4 | 10256 bytes |
SHA-256: 087b0e79b354dfc97bb0a3989954d905882f54da48d94162a7c869be954bdb52 |
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font_02_sfnt_off000109d1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109D1 | 20984 bytes |
SHA-256: dc43a51b2b12e3e494f17fd6651d773e556201c75c291ef211781803e6f32310 |
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