MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and a large number of external URIs, many of which are hosted on disposable domains, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing by directing users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9888
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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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://apaman.ti-am.jp/js/ckfinder/userfiles/files/3209091107.pdf In PDF document text
- http://www.la-rocca.pl/app/webroot/files/files/71477503488.pdfIn PDF document text
- http://www.bridalchapel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136ade495f76---48831648143.pdfIn PDF document text
- http://espicycooking.com/files/file///mowoxosafowita.pdfIn PDF document text
- http://hanboo.cn/Uploads/file/2021090323015070554.pdfIn PDF document text
- https://kalashad.com/userfiles/file/62510383466.pdfIn PDF document text
- http://evola.it/userfiles/files/95532255634.pdfIn PDF document text
- http://pet.nfe.go.th/m_site/ckfinder/userfiles/files/desugesale.pdfIn PDF document text
- https://nulifeus.com/~nulife/userfiles/file/29198699284.pdfIn PDF document text
- http://berallebags.com/UploadFiles/FCKeditor/20210910162800.pdfIn PDF document text
- http://gazosilikatnn.ru/uploads/files/51819621996.pdfIn PDF document text
- http://xn--9n2bn9mz3aba29g44r4o0a.kr/fckeditor/userfiles/image/32448683303.pdfIn PDF document text
- http://nissanotogovap.net/uploads/images/files/rovijiburugomux.pdfIn PDF document text
- https://ahreco.com/uploads/news_file/34805796470.pdfIn PDF document text
- http://studioschicchi.eu/userfiles/files/nigava.pdfIn PDF document text
- http://adas-muko.pl/photo/file/85976358410.pdfIn PDF document text
- https://es21sys.com/userfiles/file/zavagobidatagomatodefojof.pdfIn PDF document text
- http://campbellelectronics.com/uploads/75153617729.pdfIn PDF document text
- https://anna-bel.com/app/webroot/files/userfiles/files/megibafag.pdfIn PDF document text
- https://kristinanamaste.eu/files/xiwupogid.pdfIn PDF document text
- http://xn--80akij1ajew.xn--p1ai/wp-content/plugins/formcraft/file-upload/server/content/files/1613cdaacb6728---nagexe.pdfIn PDF document text
- https://concurs-euclid.ro/upload/fck/detuzesomutulevile.pdfIn PDF document text
- http://henskeschildersbedrijf.nl/upload/positifabalepimelivitisad.pdfIn PDF document text
- http://baodieptailor.com/uploads/2021-09-06/images/files/81024602090.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=18+again+ep+2+eng+subPDF link annotation
- https://grupo.iberia.com/js/ckfinder/userfiles/files/58702024505.pdfIn PDF document text
- http://alessandrotria.altervista.org/areap/ckfinder/userfiles/files/bawenuxeluxenol.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_off00010f31.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F31 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00012743.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12743 | 18968 bytes |
SHA-256: ddef5afc88eefd6464e5d153b2e3be86ff2e8148726b9b0c3e64d5537325c500 |
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font_02_sfnt_off0001585c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1585C | 10588 bytes |
SHA-256: a8bfc6d37243d2fde074de35426e412ab44305ad51be5ee12d63c9ca7b08967d |
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