MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many of which point to disposable domains and are structured as a link farm, indicating a likely attempt to redirect users to malicious content. While no scripts were explicitly extracted, the PDF structure and the nature of the URLs suggest a phishing or malware distribution vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
Heuristics 5
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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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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://primer-spb.ru/files/files/7792076292.pdf In PDF document text
- http://pantanalmsnews.com.br/ckfinder/userfiles/files/15698110601.pdfIn PDF document text
- http://leeandrewdavison.com/download/58067829715.pdfIn PDF document text
- http://medizator.ru/ckfinder/userfiles/files/xevisabotovotojofo.pdfIn PDF document text
- https://aedwea.com/upload/foto/3412337255.pdfIn PDF document text
- https://cambodiadriverservice.com/userfiles/file/27943655298.pdfIn PDF document text
- http://client.diffuse.info/files/22735464728.pdfIn PDF document text
- https://mymovingestimate.com/wp-content/plugins/super-forms/uploads/php/files/00f48c8fbe23704c3316c6575496f222/kozojujot.pdfIn PDF document text
- http://russia-ex.com/images/blog/file/8367550563.pdfIn PDF document text
- https://maggievanostrand.com/uploads/media/file/26446136509.pdfIn PDF document text
- https://idealist.ro/userfiles/file/67964548315.pdfIn PDF document text
- https://globalcareerclub.com/FCKeditor/userfiles/file/73400179211.pdfIn PDF document text
- https://halkapsikoloji.com/userfiles/file/sefodumepawoli.pdfIn PDF document text
- http://timebank.ru/sites/default/files/photos/pagefile/50204920486.pdfIn PDF document text
- http://arcstema.com/userfiles/files/82458044635.pdfIn PDF document text
- http://vasekurzy.cz/userfiles/file/47831719275.pdfIn PDF document text
- https://marblo.marblobaths.ph/app/webroot/img/files/51056792448.pdfIn PDF document text
- https://snf.styleguides.ch/userfiles/files/xexevuzaz.pdfIn PDF document text
- https://www.leasing.net.in/ckfinder/userfiles/files/13459313082.pdfIn PDF document text
- https://intrigantka.ru/images/userfiles/file/sodoniruwoga.pdfIn PDF document text
- http://chemonova.com/FCKeditor/file/vanubatetakixaditefu.pdfIn PDF document text
- https://ikansambel.com/contents/files/30665532129.pdfIn PDF document text
- https://termokingbt.com/ckfinder/userfiles/files/zodubagikom.pdfIn PDF document text
- http://rund.cz/UserFiles/File/sezomukobemisutikamiwoma.pdfIn PDF document text
- https://fjordancv.info/wp-content/plugins/super-forms/uploads/php/files/95bcf515e1a8e2fccc15287b456365c2/xenajosoke.pdfIn PDF document text
- https://amt-alarmy.pl/userfiles/file/domoduvumoxuvig.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=how+to+set+default+messenger+on+androidPDF 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_off0000cfca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCFCA | 17180 bytes |
SHA-256: bf96850348cd48662e216dec5d11e02c451b5ee72734eaba3000ad7240896956 |
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font_01_sfnt_off0000fc68.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC68 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001147f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1147F | 10876 bytes |
SHA-256: d37b86df8a9d3c8ee089abccb3da51a0ed9ee2f26f0e461c0c307a634dd4a82b |
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