MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was identified as malicious by ML classifiers and ClamAV, indicating a phishing or trojanized PDF. It contains numerous embedded URLs, many of which point to suspicious domains and appear to be part of a link farm designed to obscure the final destination. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports this, suggesting a deliberate attempt to obfuscate malicious links. While no scripts were explicitly extracted, the nature of the heuristics and the embedded URLs strongly suggest a phishing attack vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
Heuristics 5
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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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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://www.kizkulesikizogrenciyurdu.com/public/ckfinderuploads/files/kinaxuvu.pdf In PDF document text
- http://plymouth-logs.co.uk/ckfinder/userfiles/files/86032799569.pdfIn PDF document text
- http://www.sospapa24.com/lib/ckfinder/imgupload/files/kizegokirixamumatudumutid.pdfIn PDF document text
- http://romanasulcikova.cz/userfiles/36066267893.pdfIn PDF document text
- https://fontan-montag.ru/img/upload/xaxuvaxonokinef.pdfIn PDF document text
- http://ecohouse-lab.de/userfiles/file/bisoburonopomegulotijegug.pdfIn PDF document text
- https://mariapolis.es/ckfinder/userfiles/files/rowuj.pdfIn PDF document text
- https://penzion-palice.cz/content/31820314283.pdfIn PDF document text
- http://sspvjd.com/FileData/ckfinder/files/20210903_63D74F7BDA483224.pdfIn PDF document text
- http://platypusspot.org/uploads/ckfinder/userfiles/files/josugotigupibanedenekefes.pdfIn PDF document text
- http://matchonusa.com/uploads/files/foxufenoluwawu.pdfIn PDF document text
- http://saktigroup.in/uploads/wozinixa.pdfIn PDF document text
- https://mzr-avocats.com/buddha/ckfinder/userfiles/files/safefivujekarukefawaxog.pdfIn PDF document text
- https://mcsfood.com/images/file/manaxemuvirezugut.pdfIn PDF document text
- http://tehpromyar.ru/media/file/91432096257.pdfIn PDF document text
- http://nuyewrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/76c0a0ced5af471140823444e3ee3d92/xixuwobusoguxisev.pdfIn PDF document text
- https://artbynela.com/uploads/file/jokimanuluzikifinokif.pdfIn PDF document text
- http://salondebellezaanamariaromero.es/ckfinder/userfiles/files/temisexizalijizukoj.pdfIn PDF document text
- https://www.adler-leitishofen.de/wp-content/plugins/formcraft/file-upload/server/content/files/161347666dfc7a---81340121033.pdfIn PDF document text
- http://zvaracskaskola.eu/editor_uploads/system/files/tixonatidezi.pdfIn PDF document text
- http://egitara.com/upfiles/files/29244236634.pdfIn PDF document text
- http://locthanhwindow.com/img_duhoc/files/34857960.pdfIn PDF document text
- http://quocteanviet.com/img-chamthi/files/80519254449.pdfIn PDF document text
- https://mimpidia.com/contents/files/19001940438.pdfIn PDF document text
- http://aquarium-kochi.com/app/webroot/ckfinder/userfiles/files/baxexedaxagenuzovupuka.pdfIn PDF document text
- http://dentalweek.eu/userfiles/files/betikizofiwopeso.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=note+8+charging+issuesPDF 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_off0000e008.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE008 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f81a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF81A | 17056 bytes |
SHA-256: 80a4476ed1bce5325c49ba74278c2f6ab1d23f41cd23a9e79bb41c0337f74fa9 |
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font_02_sfnt_off00012401.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12401 | 10748 bytes |
SHA-256: 6b6ccaee2acbc00d9773140cc24fcc295152916ada5a53f94cfe58a19227f8c1 |
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