MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is a common technique for executing malicious code. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' and the large number of extracted URLs indicate a strong attempt to redirect users to potentially malicious sites. The ML classifier and ClamAV detection further support the malicious nature of this file, likely serving as a lure for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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 http://thietbiotoviet.com/Images_upload/files/91688328825.pdf In PDF document text
- http://www.fsnn.se/wp-content/plugins/formcraft/file-upload/server/content/files/161502e144cb54---13026073660.pdfIn PDF document text
- https://777mto.org/contents/files/panerigeragoneduxugikam.pdfIn PDF document text
- https://jdrum-music.com/uploads/ckfiles/files/89788030550.pdfIn PDF document text
- https://tw-itemaos.com/ckfinder/userfiles/files/94263955738.pdfIn PDF document text
- http://biancoacolori.it/userfiles/files/pitolejilorem.pdfIn PDF document text
- https://www.rongoldmanlaw.com/system/js/back/ckfinder/userfiles/files/1001958540.pdfIn PDF document text
- https://j26clean.com/upload/files/givep.pdfIn PDF document text
- http://www.mbk-montage.nl/ckfinder/userfiles/files/88619713377.pdfIn PDF document text
- http://huemin.com/fckeditor/userfiles/file/25970110116.pdfIn PDF document text
- https://leganordavigliana.com/uploads/file/14604240322.pdfIn PDF document text
- https://temporar.mirceaseminee.ro/printuri-fi/files/54360499136.pdfIn PDF document text
- http://www.europesolidaire.eu/userfiles/files/44766039069.pdfIn PDF document text
- http://stamforgtechnologies.com/uploads/1461991994.pdfIn PDF document text
- https://btsis.com/upload/ckfinder/files/jugijad.pdfIn PDF document text
- http://baoveantam.org/upload/files/91769272253.pdfIn PDF document text
- http://nyitotthetvege.kastelyszallodak.hu/userfiles/files/jokifu.pdfIn PDF document text
- https://sreekanakananda.com/ckfinder/userfiles/files/57331544862.pdfIn PDF document text
- http://roseeskin.com/userfiles/file/20210920091859.pdfIn PDF document text
- https://sankaibearing.com/userfiles/files/pewidopidurevesonopajam.pdfIn PDF document text
- http://s13cf5ef.alojamientovirtual.com/ropadefutbolbarata/userfiles/file/larupurodidamunilupezesir.pdfIn PDF document text
- https://learnrkb.jugalbandiresearch.com/ckfinder/userfiles/files/57485085297.pdfIn PDF document text
- http://sms-dk.com/FileData/ckfinder/files/20210901_67DFB9AAA6FCA453.pdfIn PDF document text
- https://sonerofset.com/userfiles/file/palajuzidivegijojekozaj.pdfIn PDF document text
- https://metnar.pl/web/uploads/files/sojes.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=watch+one+piece+streamPDF 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_off0000af37.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAF37 | 15708 bytes |
SHA-256: cf0c2b5eef22fd2298804e0ab5c8be68671316b0fed8c017012732b9ec12986e |
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font_01_sfnt_off0000d76b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD76B | 10584 bytes |
SHA-256: f9b0e85a332fc26721bc5377c4a8a267ff03d2a14b9694d8dfbd7a5e6b2b9e9a |
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font_02_sfnt_off0000ef74.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF74 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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