MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by ClamAV as a phishing trojan and by an ML classifier as malicious. It contains a link farm pointing to multiple compromised websites, including one hosted on admio.ru. The document body is heavily obfuscated, preventing a clear understanding of its specific lure, but the presence of numerous links to potentially malicious content suggests an attempt to redirect users to phishing or malware-hosting sites. No scripts were extracted from this sample.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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 http://admio.ru/wp-content/plugins/formcraft/file-upload/server/content/files/161415da9c136e---43919681474.pdf In PDF document text
- http://studiobardinisrl.com/userfiles/files/42373871432.pdfIn PDF document text
- http://kapelski.pl/userfiles/file/xefebijovutedegizi.pdfIn PDF document text
- https://tranduongauto.com/app/webroot/files/images/pages/files/17981765890.pdfIn PDF document text
- http://lotuscourtpune.com/wp-content/plugins/super-forms/uploads/php/files/f1d2610bf9f84675be8c3e5b52d99e9d/50307821762.pdfIn PDF document text
- http://safetruck.gr/images/file/mexazabajifuvu.pdfIn PDF document text
- http://telegid.tv/userfiles/files/devobokole.pdfIn PDF document text
- https://viettincapital.vn/upload/files/fukipikeno.pdfIn PDF document text
- http://az4group.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16139dffcc316c---rinojisesisugenerojava.pdfIn PDF document text
- http://contelex.it/userfiles/files/24734245171.pdfIn PDF document text
- https://www.peltonfell.org.uk/ckfinder/userfiles/files/kagal.pdfIn PDF document text
- https://vaynhanh365.net/contents/files/ronufadukenulawidelave.pdfIn PDF document text
- https://promocionesnma.com/wp-content/plugins/super-forms/uploads/php/files/c62fbf79c9c92efd553f46f6318c05e7/lejalin.pdfIn PDF document text
- http://casaledellasignora.it/userfiles/files/25019159576.pdfIn PDF document text
- http://xn--12cm8caae5d9a0a0a1dxk6dd.com/user_img/files/9426657105.pdfIn PDF document text
- https://ecohort.biz/userfiles/files/96912826947.pdfIn PDF document text
- http://ansatrans.ru/admin/ckfinder/userfiles/files/78086688977.pdfIn PDF document text
- https://ketex.com/trcgp/ckfinder/userfiles/files/genofeliwukuxomat.pdfIn PDF document text
- http://gadkowski.pl/repository/filemanager/file/45957899314.pdfIn PDF document text
- http://falconartistmanagement.com/ckfinder/userfiles/files/63166494692.pdfIn PDF document text
- https://rux-thai.com/ckfinder/userfiles/files/bupefijadez.pdfIn PDF document text
- https://samirkumarpaul.com/ckfinder/userfiles/files/zawefexatodev.pdfIn PDF document text
- http://worshipedia.mobi/sites/default/files/file/sobap.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=thop+tv+live+2021PDF link annotation
- 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_off0000dd16.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD16 | 16480 bytes |
SHA-256: 31ea5a612f73bd40adf269314c63949acba8ffc463650d35e095f133cae53432 |
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font_01_sfnt_off00010791.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10791 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011fa8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11FA8 | 10140 bytes |
SHA-256: 4fa49b5dd3d090f477efdfba204966b0fd4f6c7a62e262bdcc5e38368ea44ba9 |
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