MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by multiple heuristics and an ML classifier as malicious, with ClamAV detecting it as a phishing trojan. The document contains numerous embedded URLs, many pointing to compromised CMS uploads or disposable hosting, suggesting a link farm designed to redirect users to malicious sites. The presence of these links and the overall structure indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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://queure.ru/uplcv?utm_term=transfer+data+to+new+android+tablet PDF link annotation
- http://vxclouds.com/userfiles/file/49812803958.pdfIn PDF document text
- http://ubytovna-krumlov.cz/userfiles/file/sekusuboduvesaniwu.pdfIn PDF document text
- http://intechsol.kz/wp-content/plugins/formcraft/file-upload/server/content/files/16139ff2c7f27a---51128126452.pdfIn PDF document text
- https://krusomying.com/data/file/sowabonozuzupixunod.pdfIn PDF document text
- https://chuyennhakienvangvn.net/upload/files/78600487829.pdfIn PDF document text
- https://ceadersvalet.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614f545e17f83---11497356926.pdfIn PDF document text
- http://conhantaoankhanh.com/webroot/img/files/xetomutuwi.pdfIn PDF document text
- http://champaigncursillo.com/userfiles/file/92206840634.pdfIn PDF document text
- http://chinawin-consult.com/userfiles/siwokoxofa.pdfIn PDF document text
- https://galedo.cz/www/data/cms_files/files/valirex.pdfIn PDF document text
- http://polishingmarblefloor.it/userfiles/files/fusopelubavamog.pdfIn PDF document text
- http://jcpingie.be/public/files/60535595339.pdfIn PDF document text
- http://homeshopeez.com/uploaded_files/userfiles/files/98885420828.pdfIn PDF document text
- http://namlinhchisapa.com/userfiles/image/file/82789648920.pdfIn PDF document text
- https://tipresentoio.it/images/file/sorotaguwujirimefoxuzorek.pdfIn PDF document text
- http://driver-jazda.pl/upload/file/zeloxole.pdfIn PDF document text
- http://dd-eng.com/files/files/81030864877.pdfIn PDF document text
- http://millecolori.it/images/file/mosekikatujamokaworov.pdfIn PDF document text
- http://grani-tonkogo-mira.ru/wp-content/plugins/super-forms/uploads/php/files/01181a4b4845656aaf9b74fd1b91c8f0/76675427394.pdfIn PDF document text
- http://azs-szermierka.pl/zdjecia/fck/file/12520062619.pdfIn PDF document text
- http://kapelski.pl/userfiles/file/guziwagaza.pdfIn PDF document text
- http://smingames.com/ckfinder/files/67048675504.pdfIn PDF document text
- http://wuchem.com/upload/files/gumujiruvopaxebabo.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_off0000b20c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB20C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ca1e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA1E | 16924 bytes |
SHA-256: 4a55d3217ac4d18b5e98ef390f6822f17065b84118121e5cb5543281ab7bca15 |
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font_02_sfnt_off0000f553.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF553 | 10536 bytes |
SHA-256: 8b92a262201388fbd4a896f2de48cc45adcc958627d43281dd0de51b189b108b |
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