MALICIOUS
74
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, identified by the PDF_JS heuristic, which is likely responsible for the redirection to numerous external URLs. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic indicates that these URLs form a link farm on disposable hosting, a common tactic for phishing or distributing further malware. The ML classifier strongly supports the malicious nature of this PDF.
Machine Learning
- Nyx PDF Classifier malicious score 0.9946
Heuristics 5
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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://www.karenlovelee.com/wp-content/plugins/formcraft/file-upload/server/content/files/161306b2741232---nijefol.pdf In PDF document text
- https://smartmedia.ro/app/webroot/files/userfiles/files/sulosinewolulimutovivu.pdfIn PDF document text
- http://facilitymanagementassociates.com/survey/userfiles/files/11361627071.pdfIn PDF document text
- http://motorlustor.net/userfiles/file/gutemobegip.pdfIn PDF document text
- http://depcip.com/app/views/panel/ckfinder/userfiles/files/razurevokikadawupuzow.pdfIn PDF document text
- http://www.sandzthabapanel.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16135ffaa6cbd0---78645823140.pdfIn PDF document text
- http://gmkms.net/upfile_editor/2021/files/mulaziwugijigilekijo.pdfIn PDF document text
- https://giorgiosantinelli.it/file/zisevux.pdfIn PDF document text
- http://hefei.chinatupai.com/web/js/ckfinder/userfiles/files/xopasexobikisagowu.pdfIn PDF document text
- https://pemaboutiquehotel.com/assets/userfiles/files/49598862802.pdfIn PDF document text
- http://imoroz.by/upload/file/sozogapemevowuxerupi.pdfIn PDF document text
- https://granitabrasive.ro/editor_up/53839490787.pdfIn PDF document text
- https://ruxthai-guesthouse-chiangmai.com/ckfinder/userfiles/files/febomev.pdfIn PDF document text
- https://dobski.pl/userfiles/file/45821656806.pdfIn PDF document text
- http://nedvizhimost-v-sharm-el-sheikhe.ru/uploads/files/tedirosezatujugusogap.pdfIn PDF document text
- http://shtaket46.ru/page_edit/_samples/userfiles/files/sumukibune.pdfIn PDF document text
- https://global-product.org/CKEdit/upload/files/baworeloxefokid.pdfIn PDF document text
- https://www.supremecaravans.com.au/application/third_party/ckfinder/userfiles/files/87641536776.pdfIn PDF document text
- https://mobilaide.com/upload/editor/file/gikadov.pdfIn PDF document text
- http://upnbkk.com/file_media/file_image/file/11240349108.pdfIn PDF document text
- http://mastera-mix.ru/ckfinder/userfiles/files/nopulatexeso.pdfIn PDF document text
- http://www.britocunhaadvocacia.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/16139e3950b1d7---sogetefuxumurofek.pdfIn PDF document text
- https://portugaliaimagyarok.com/ckfinder/userfiles/files/50491459323.pdfIn PDF document text
- http://crosswaysrecruitment.com/userfiles/file/jemofenuvomajotet.pdfIn PDF document text
- http://werkschoenenverkoop.nl/images/docman/files/94038266014.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=xiaomi+redmi+note+10+pro+8+128+price+in+pakistanPDF 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_off0000d86c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD86C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f083.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF083 | 11232 bytes |
SHA-256: 5cce4c34c847467a1e2f938685ede4bee8911c7968e37108bc9416ec1e26e3b2 |
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font_02_sfnt_off00010adc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10ADC | 19244 bytes |
SHA-256: 058396270c41de5f09a0167e2d8faa3a576d701370c69e59dd9aab16e25dbf5d |
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