MALICIOUS
142
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm, presents a deceptive download button and contains embedded JavaScript. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://coiffurenais.com/userfiles/file/80405846586.pdf In PDF document text
- http://cbcom.fr/ressource/site-image/files/zavabubijinomi.pdfIn PDF document text
- http://ladispensadicampagna.it/uploads/assets/file/titimunuxiremukor.pdfIn PDF document text
- https://www.colegiodomus.com.br/js/ckfinder/userfiles/files/dipusumunesega.pdfIn PDF document text
- http://roosprommenschenckelfoundation.nl/userfiles/file/26774009807.pdfIn PDF document text
- https://lensmam.com/userfiles/file/gavepenaregawijes.pdfIn PDF document text
- https://pbchistoryonline.org/uploads/file/55013494810.pdfIn PDF document text
- http://ctmmaximoravenna.com/ckfinder/userfiles/files/93759648306.pdfIn PDF document text
- http://honyi.tw/ckfinder/userfiles/file/kemixuzonikatipi.pdfIn PDF document text
- https://mma-montessori.com/admin/ckfinder/userfiles/files/zoradujorowikijasexiwot.pdfIn PDF document text
- http://goldartline.ua/userfiles/file/24289236225.pdfIn PDF document text
- http://5mal4.de/moneyvidya/web/images/userfiles/file/tupowasodin.pdfIn PDF document text
- https://fetogram.com/images/upload/files/javupotuzorafeve.pdfIn PDF document text
- http://droneducational.com/admin/userfiles/file/nupuvirusinavonotawabomax.pdfIn PDF document text
- https://foodphotoshop.com/userfiles/files/58901699689.pdfIn PDF document text
- https://aimhc.com/userfiles/file/ziruvivawinon.pdfIn PDF document text
- http://sztarmedia.hu/_user/file/zawifelowudozinenuwe.pdfIn PDF document text
- http://fuguchair.com/upfolder/e/files/20210901225300.pdfIn PDF document text
- http://bscsaoner.in/ckfinder/userfiles/files/nupijanevakisuvo.pdfIn PDF document text
- http://braciszewska-klimek.pl/fck_files/file/80846351565.pdfIn PDF document text
- http://thecountryclub32055.com/userimages/kelubusofuju.pdfIn PDF document text
- https://tapetcenter.ro/app/webroot/files/userfiles/files/julexifux.pdfIn PDF document text
- http://jpind.pl/userfiles/file/banegetikufeti.pdfIn PDF document text
- http://gatewayhotelbangkok.com/upfile_hotel/files/jajotusaro.pdfIn PDF document text
- https://honghow.com/ckfinder/userfiles/files/38757548799.pdfIn PDF document text
- http://jszl-rolls.com/filespath/files/20210902191015.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=oops+concepts+tutorial+pdf%2BdownloadPDF 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_off0000e489.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE489 | 18968 bytes |
SHA-256: 916e59d2ee7caf0005313436cf38c6c68853ddc3129fce45640ee8725b610469 |
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font_01_sfnt_off000115c0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x115C0 | 10824 bytes |
SHA-256: c86eb4247da394406727ffde7aa6654a61ea99d69f6eab4e5c4a0b7be37bc86f |
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font_02_sfnt_off00012eeb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12EEB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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