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 compromised WordPress sites. Heuristics indicate this is a link farm designed to redirect users, likely for phishing or to download further malicious content. The ClamAV detection and ML classifier strongly suggest malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://crewmak.ru/uplcv?utm_term=cwc+junior+technical+assistant+book+pdf+download PDF link annotation
- http://europeanprofservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b9011d7389---biwafitavufos.pdfIn PDF document text
- https://pass-eco-energies.com/ckfinder/userfiles/files/50317346400.pdfIn PDF document text
- http://www.carolglassman.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fd9ee8caed9---dewimi.pdfIn PDF document text
- http://themetamorphoseprogram.com/userfiles/file/kovubikapupumupe.pdfIn PDF document text
- https://sooryasales.com/uploads/file/11795739391.pdfIn PDF document text
- http://ketoanantamhcm.com/uploads/files/24165628565.pdfIn PDF document text
- https://livstyle.ro/home/livstyle/public_html/uploads/files/gusix.pdfIn PDF document text
- https://www.xcelsus.de/wp-content/plugins/formcraft/file-upload/server/content/files/161218569d0d5f---25571202924.pdfIn PDF document text
- http://voszveszprem.hu/_user/file/nexapofag.pdfIn PDF document text
- https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/817c0b7a39a45cb254b0f2027a4a193d/28697248919.pdfIn PDF document text
- https://birsamundapark.in/userfiles/files/kenexupotizo.pdfIn PDF document text
- http://greenbiotech.vn/uploads/userfiles/file/4843876227.pdfIn PDF document text
- http://savemaxint.com/files/file/didamana.pdfIn PDF document text
- http://abpaluso.com/upload/file/sotobukexubukajukoxov.pdfIn PDF document text
- https://b2b-intelligence.it/uploads/file/sureranupawoxesaluxepise.pdfIn PDF document text
- https://mymango.ru/wp-content/plugins/super-forms/uploads/php/files/cec71b84a7ca2b9e750e201e186f1dbd/sejurovojad.pdfIn PDF document text
- http://usaoxin.com/userfiles/2021-5/file/neponareposetopemekiziwak.pdfIn PDF document text
- https://accuratesearch.com/userfiles/file/bosamugafefogosadakuvatab.pdfIn PDF document text
- http://dentherapia.hu/files/file/zinawobezosafa.pdfIn PDF document text
- http://wernitznigg.at/files/pizapamonasikezedifeb.pdfIn PDF document text
- http://laiyi-art.com/userfiles/file/3464684669.pdfIn PDF document text
- https://www.energetisch-therapeut-estie.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160d8560b89fb0---xenabolulamuzilujezuwaro.pdfIn PDF document text
- http://rydelko.pl/userfiles/file/zupalupezawenefoteteb.pdfIn PDF document text
- https://sanidom.pl/img/file/23129292638.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_off0000bd5e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBD5E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d570.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD570 | 18040 bytes |
SHA-256: 62ce9b049c22f2d7aa3a0e308d94313c846183a796d3779700e81296448907ca |
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font_02_sfnt_off00010439.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10439 | 11296 bytes |
SHA-256: a9930cb7bd550c58fe95c90b7edba144c0408e519483b8140d4f0c89173c7229 |
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