MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to disposable hosting or compromised WordPress sites, indicating a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://krisoc.ru/uplcv?utm_term=samsung+m30+firmware PDF link annotation
- http://flairpens.ru/uploads/files/73926732035.pdfIn PDF document text
- https://theelementrama9.com/userfiles/files/xisirovuduwifedoxojubosul.pdfIn PDF document text
- http://urs-certification.com/gais/image/file/ximegufekujobenibelazi.pdfIn PDF document text
- https://atavio.ru/files/file/42717014091.pdfIn PDF document text
- http://avvocato-callegaro.it/public/file/45756845093.pdfIn PDF document text
- https://seedcambodia.org/htdocs/cljr/data/files/70828785659.pdfIn PDF document text
- http://www.whirlpool-beachcomber.at/wp-content/plugins/formcraft/file-upload/server/content/files/1613ab99262e6b---19499629628.pdfIn PDF document text
- https://chicagoportablexray.com/wp-content/plugins/formcraft/file-upload/server/content/files/16151ec9eae4f5---82173423547.pdfIn PDF document text
- https://choiceenergynetwork.com/wp-content/plugins/super-forms/uploads/php/files/1665a9fe3635fc862542907612fa5c98/8619965395.pdfIn PDF document text
- http://bdsps.org/slbdavbatala/userfiles/file/39278791312.pdfIn PDF document text
- https://mbzl-pro.xyz/web/img/podborky/files/ramiminegoro.pdfIn PDF document text
- http://dogoducthien.com/uploads/files/ligebukitipewumozavigonuv.pdfIn PDF document text
- http://lightofislamonair.org/uploads/files/28552050396.pdfIn PDF document text
- http://jenan.com/ckfinder/userfiles/files/numuvoga.pdfIn PDF document text
- http://zkpower.net/upload/files/fakagedozun.pdfIn PDF document text
- https://orangerun.re/photo/files/54935548896.pdfIn PDF document text
- http://www.sosonomo.com/ckfinder/userfiles/files/nukumizepuzanuz.pdfIn PDF document text
- https://almuhja.ps/ckfinder/userfiles/files/wutitasaxifopabulitoruwef.pdfIn PDF document text
- http://narzedziascierne.eu/Upload/file/lexukigu.pdfIn PDF document text
- http://aan.kz/ckfinder/userfiles/files/65555894657.pdfIn PDF document text
- http://nanobubblevietnam.com/uploads/userfiles/file/61027186431.pdfIn PDF document text
- http://personal.sut.ac.th/chantira/port/ckfinder/userfiles/files/38257192179.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_off0000c55e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC55E | 10848 bytes |
SHA-256: 508f8464694d8cebff417b1c9e2466a6a3238f88dcecd1d2845c6264fdef79f6 |
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font_01_sfnt_off0000de7a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE7A | 20852 bytes |
SHA-256: 5fe67b4833d6277bccb32a51b2cca8c052cd9b6641514a8b20b8f6e54cd02e50 |
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font_02_sfnt_off00011579.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11579 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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