MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links to external websites, many of which are hosted on compromised or disposable domains, suggesting it functions as a link farm. The presence of these links and the overall structure point towards an attempt to redirect users to malicious content, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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://laborke.ru/uplcv?utm_term=app+like+gameguardian+without+root PDF link annotation
- https://automatisme-portail-bordazzi.fr/userfiles/fichiers/62961165818.pdfIn PDF document text
- http://chinazzjx.com/d/files/zuxovoteguzomidoselebegof.pdfIn PDF document text
- https://chung-pei.com/userfiles/file/32774430239.pdfIn PDF document text
- https://aluminiosarla.com/userfiles_arla/files/91663435051.pdfIn PDF document text
- https://www.adler-leitishofen.de/wp-content/plugins/formcraft/file-upload/server/content/files/161372d82b1424---63389146916.pdfIn PDF document text
- https://0a3exp.com/upfiles/editor/files/35589791161.pdfIn PDF document text
- http://vectorma.ru/uploads/assets/file/xokik.pdfIn PDF document text
- http://pck.malopolska.pl/wp-content/plugins/super-forms/uploads/php/files/3528f107e0d0a043f0a6d3e5a4570701/23858683024.pdfIn PDF document text
- http://miydz.com/mingyi/images/userfiles/file/dajepelugo.pdfIn PDF document text
- http://www.northern-japan.com/image/upload/File/vokatunoxavikowe.pdfIn PDF document text
- https://www.burnat-provins.ch/ck/ckfinder/userfiles/files/78416365427.pdfIn PDF document text
- http://filtrydokoparek.pl/img/all/roxixolitukezekam.pdfIn PDF document text
- https://hpx.com.ua/wp-content/plugins/super-forms/uploads/php/files/be1fd5c56c6e6a72290cdab38c8762b3/15274371521.pdfIn PDF document text
- http://longarmacademy.net/fckeditor/userfiles/file/88137433104.pdfIn PDF document text
- http://www.pzkexie.com/up_files/file/vedotilinibodinez.pdfIn PDF document text
- http://imhome-listings.com/userfiles/files/94623346673.pdfIn PDF document text
- http://agriturismolionsfarm.it/userfiles/files/betixifesajokesusepijetub.pdfIn PDF document text
- https://eltechma.com/zdjecia/fck/file/fadojiverigegipazov.pdfIn PDF document text
- https://stpm-sa.com/userfiles/file/53500654811.pdfIn PDF document text
- http://limobebe.com/userfiles/files/97027316025.pdfIn PDF document text
- https://yingzhaoliuart.com/upload/file/55808921343.pdfIn PDF document text
- https://burgas-remonti.com/userfiles/file/fezowemuxokikur.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_off0000ec07.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC07 | 17196 bytes |
SHA-256: dff0187770bc5331e0b61e2105212d34ff5b3fcf84e56530cdd82bb166954f81 |
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font_01_sfnt_off0001189f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1189F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000130b6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x130B6 | 10928 bytes |
SHA-256: e96cb0fe97d243217aa7d1a6bb15d7b9040e4b698f722ec48225de24e2f0719a |
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