MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, a common technique for executing malicious code within documents. It also features a large number of external URIs pointing to various domains, many of which appear to be part of a link farm designed to obscure the ultimate destination. The ClamAV detection and ML classifier strongly indicate malicious intent, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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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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 http://kimura-shihoshoshi.com/userfiles/file/vatogamovexufusemilobu.pdf In PDF document text
- http://www.sushmitamukherjee.com/fckimages/file/46939998720.pdfIn PDF document text
- https://bliznacite.com/files/54491637615.pdfIn PDF document text
- https://zweefvlieg.net/userfiles/file/vuximizurolebubi.pdfIn PDF document text
- http://www.deadclan.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16140e9c357675---xotivupifig.pdfIn PDF document text
- http://ivankotov.ru/img/lib/file/29696446829.pdfIn PDF document text
- http://finara-v.com/file_media/file_image/file/98098780450.pdfIn PDF document text
- http://debrecen.varosom.hu/userfiles/files/zivevaxixi.pdfIn PDF document text
- https://www.pirkitpadangas.lt/ckfinder/userfiles/files/82930593806.pdfIn PDF document text
- http://www.og2c.com/images/file/79212371932.pdfIn PDF document text
- http://farmaciafasolis.eu/userfiles/files/46786096738.pdfIn PDF document text
- https://marjoyunlar.com/calisma2/files/uploads/mubimosekikisi.pdfIn PDF document text
- https://avflash.nl/upload/files/kupapiveruvufibebexupug.pdfIn PDF document text
- http://jongauger.com/ckfinder/userfiles/files/rurep.pdfIn PDF document text
- http://s-privod.ru/userfiles/file/72657475138.pdfIn PDF document text
- http://fcraregistration.com/UploadedData/file/98915119386.pdfIn PDF document text
- http://ltptech.vn/uploads/userfiles/file/fosodoxefokeverole.pdfIn PDF document text
- http://milkyway-vn.com/upload/files/54954017170.pdfIn PDF document text
- https://goacetours.com/ckfinder/userfiles/files/xiwotuvaxipotox.pdfIn PDF document text
- https://cytairtool.com/test/userfiles/file/20210911_2d9e1.pdfIn PDF document text
- https://www.grecosalesinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d57b854fac---rorolimedijaxukefagobig.pdfIn PDF document text
- https://www.l-games.jp/js/ckfinder/userfiles/files/59928381620.pdfIn PDF document text
- http://mindentudor.hu/userfiles/file/fobomosijozisi.pdfIn PDF document text
- http://windowsplusllc.com/ckfinder/userfiles/files/34219933359.pdfIn PDF document text
- http://stroykap.com/application/views/stroykap/userfiles/file/polaxulotagolifurexexujor.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=robert+henderson+courts+of+heaven+pdf+downloadPDF 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_off0000db57.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB57 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f369.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF369 | 18092 bytes |
SHA-256: 0b9fa3319770c2deab049bed9c5ef9a3a14ea215f52838c69d608a4b7318028f |
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font_02_sfnt_off000122b3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x122B3 | 11064 bytes |
SHA-256: 96f4283ce748a11c0e986018de311e14d1dfa4a94a7aa5c7b048ce20f719233c |
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