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. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' and the numerous unknown URLs suggest a phishing or credential harvesting attempt. The ML classifier and ClamAV detection strongly indicate malicious intent, likely involving redirection to a malicious site for further exploitation.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://saopauloairporttransfers.com/ckfinder/userfiles/files/63693598146.pdf In PDF document text
- https://cafesca.info/ckfinder/userfiles/files/zimen.pdfIn PDF document text
- http://www.leads-bd.org/app/webroot/js/ckfinder/userfiles/files/laniwavasupidobutub.pdfIn PDF document text
- http://master-br.ru/img/file/tuxetifab.pdfIn PDF document text
- http://niestachow.pl/data/aktualnosci_imgs/file/wofeza.pdfIn PDF document text
- http://eastcity.hu/ufiles/file/gezurutozuz.pdfIn PDF document text
- http://musorcentrum.hu/files/article/file/63610160252.pdfIn PDF document text
- https://wroclawmodelshow.pl/ckfinder/userfiles/files/77608792253.pdfIn PDF document text
- https://fitvital.hu/userfiles/files/releditapapu.pdfIn PDF document text
- https://maconlux.ovh/userfiles/files/tipakefutezasur.pdfIn PDF document text
- https://0908108108.tw/upfile/files/2021/09/26/mosimikoxozowuxivamowi.pdfIn PDF document text
- http://uzmansporzeminkaplama.com/resimler/files/83637881138.pdfIn PDF document text
- http://mama-care.com/UserFiles/file/2527947842.pdfIn PDF document text
- https://pmeds.us/userfiles/file/jivupepaxozupuxovetoxubi.pdfIn PDF document text
- http://vasset.bg/userfiles/file/peparefuno.pdfIn PDF document text
- http://cheers-gifts.com/userfiles/82670163554.pdfIn PDF document text
- http://digilit.ir/basefile/digilitir/files/puvog.pdfIn PDF document text
- http://verkoop-je-wagen.be/wp-content/plugins/formcraft/file-upload/server/content/files/1614216f393121---kawuzaf.pdfIn PDF document text
- http://youngdongtec.com/userfiles/file/xawafabexutujitem.pdfIn PDF document text
- https://garmin10.ddbseven.cl/userfiles/file/18242002473.pdfIn PDF document text
- https://lederstuhlshop.de/ckfinder/userfiles/files/sovuxuduzavotorowuvomujo.pdfIn PDF document text
- http://emilybarnes.com/DEVELOPMENT/VERSIONED/emilybarnes/trunk/sites/default/files/file/tikosefofokesekasub.pdfIn PDF document text
- http://maymaygiaydachidang.com/upload/files/64617921062.pdfIn PDF document text
- http://datong-travel.tw/upload/ckeditor/files/20210922032924.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=cancellation+of+special+train+ticketsPDF 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_off0000b196.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB196 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c9a8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC9A8 | 14704 bytes |
SHA-256: 34e6423995797e3150328e0fcfedffbf04c144fe85bf2839f71970143ecb8d10 |
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font_02_sfnt_off0000eeaa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEAA | 10596 bytes |
SHA-256: 953bcc0647d35f469a207a44d8ca2dc3da25599e725d9cc6d34a61c21896ce80 |
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