MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous links to external sites, many of which are hosted on disposable domains, indicating a link farm. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or distributing further malware. The embedded JavaScript is a common technique for initiating malicious actions within PDFs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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://saludocupacionalpso.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/161310042a8082---52133862702.pdf In PDF document text
- http://p-itos.net/admin/userfile/image/file/vibogotuvotexizup.pdfIn PDF document text
- http://watthaistuttgart.de/userfiles/file/85268935002.pdfIn PDF document text
- https://lamaisonducoeur.ca/upload/editor/file/22044145591.pdfIn PDF document text
- http://www.hro.ait.ac.th/js/ckfinder/userfiles/files/22163381231.pdfIn PDF document text
- http://unityproductions.com/upload/files/vixitowafoxikarototipik.pdfIn PDF document text
- http://fandimnarodaku.cz/upload/file/vedalit.pdfIn PDF document text
- https://homeuu.biz/upload/ckeditor/pages/files/7428831453.pdfIn PDF document text
- https://auf.vn/wp-content/plugins/super-forms/uploads/php/files/2cehk2a3qqok4j5cgpv04uk093/58215645671.pdfIn PDF document text
- https://pensionradvanice.cz/res/file/vaxuzokegotakoza.pdfIn PDF document text
- http://xn--82cac8d3ajrc0gd0bo4a7nf3qg.com/userfiles/files/vaperigovolapu.pdfIn PDF document text
- http://openendrep.com/userfiles/files/fanowiwetofuporipe.pdfIn PDF document text
- http://3bbb.fr/ckeditor/upload/files/77404262816.pdfIn PDF document text
- http://apartmany.cucoriedka.sk/data/files/vogel.pdfIn PDF document text
- http://amtusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136f08f89426---47500158447.pdfIn PDF document text
- https://oazapiekna.com/zdjecia/fck/file/84795227523.pdfIn PDF document text
- https://cafemocion.com/userfiles/file/12235278533.pdfIn PDF document text
- https://inprovitcaribe.com/ckfinder/userfiles/files/73336186823.pdfIn PDF document text
- https://mobilieroccasion.fr/uploads/file/kopuwatutofot.pdfIn PDF document text
- https://stallion-international.com/userfiles/file/27496610735.pdfIn PDF document text
- https://10s317.com/uploads/files/202109210119094774.pdfIn PDF document text
- https://ssmavidiyar.com/public/content-images/files/37314248191.pdfIn PDF document text
- http://backkwang.com/userData/board/file/butoxivoxagu.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=best+screen+video+recorder+for+androidPDF 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_off0000b194.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB194 | 10540 bytes |
SHA-256: 76ef071fb6025f28788acee1d17eae787648df3aa378f77590eada3477fb00e6 |
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font_01_sfnt_off0000c9cd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC9CD | 14984 bytes |
SHA-256: d709ca2c1d93de342324ebc253b30c243ce25f222cc3bc98b33ff65dedf926b4 |
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font_02_sfnt_off0000ef7b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF7B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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