MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and a heuristic firing indicates it's a link farm with many distinct hosts, suggesting a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly indicate malicious intent. The embedded JavaScript likely facilitates the redirection to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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 https://jooli.ru/ckfinder/userfiles/files/xavudebad.pdf In PDF document text
- https://redac.ch/upload/wikoxak.pdfIn PDF document text
- https://anctools.com/ckfinder/userfiles/files/93692207228.pdfIn PDF document text
- https://lacgl.org/upload/editor/file/3886358642.pdfIn PDF document text
- https://bimetoor.com/basefile/bimetoorir/files/95783966565.pdfIn PDF document text
- http://citescolairedeledit.com/include/file/44593706290.pdfIn PDF document text
- http://kaizousha.com/js/upload/files/vosoviremedumurefotamijo.pdfIn PDF document text
- http://www.binghan.my/userfiles/file/pasaleriwig.pdfIn PDF document text
- https://clearpatth.com/userfiles/file/bidasadow.pdfIn PDF document text
- http://larben.cz/media/images/upload/file/50923706347.pdfIn PDF document text
- http://positiveforce.in/uploads/files/vasozixivojawuxulewofuki.pdfIn PDF document text
- http://turningpointdigital.com/cote_dor_import/admin/ckfinder/userfiles/files/10845844398.pdfIn PDF document text
- http://world-housing.jp/ckfinder/userfiles/files/1385673097.pdfIn PDF document text
- http://autosoftware.company/autoresponders_images/files/lijafalo.pdfIn PDF document text
- http://castudio.eu/userfiles/files/56730231902.pdfIn PDF document text
- http://ciaomamma.hu/editor_up/29053925618.pdfIn PDF document text
- https://heatingboiler.ca/fck_upload/file/58477859761.pdfIn PDF document text
- https://matharu.ae/userfiles/file/54766823151.pdfIn PDF document text
- http://training-solutions.ro/wp-content/plugins/formcraft/file-upload/server/content/files/161326685dfd94---3044031256.pdfIn PDF document text
- http://pitin-akutsu.com/js/upload/files/gutilibovawuritosusig.pdfIn PDF document text
- http://fiumevivo.it/userfiles/files/womaperilajozimototadakos.pdfIn PDF document text
- http://www.alex-vasilkov.ru/images/wisdom/file/pefugubosetuz.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=app+for+emulatorPDF 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_off0000d870.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD870 | 10236 bytes |
SHA-256: d88cb868d38c6bbb59550afc61884a4da3ebcbd28959b408c4d53f308879e9b7 |
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font_01_sfnt_off0000ef84.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF84 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010796.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10796 | 17616 bytes |
SHA-256: c4ece38cabc39a46505aa7594aa91a859af9a43a86ef5115ef754407e50e3822 |
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