MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which point to domains that appear to be part of a link farm. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or malware delivery. The embedded JavaScript is a common technique for exploiting PDF vulnerabilities or redirecting users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9908
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://mebel-moscow.com/content/xuploadimages/file/81049838191.pdf In PDF document text
- http://ccswcd.com/userfiles/file/31279464571.pdfIn PDF document text
- http://www.gleason.com.au/application/third_party/ckfinder/userfiles/files/94763363011.pdfIn PDF document text
- https://deycaterers.com/ckfinder/userfiles/files/10188624313.pdfIn PDF document text
- http://studiofantino.it/userfiles/files/majunikulunuga.pdfIn PDF document text
- https://dunakanyarfesto.hu/ckfinder/userfiles/files/dezilapexinuka.pdfIn PDF document text
- https://go2germany.ru/files/file/xefewema.pdfIn PDF document text
- http://huarui-bio.com/upload/files/18089810850.pdfIn PDF document text
- http://sindikat777.ru/ckeditor/ckfinder/core/connector/php/uploads/files/66093200409.pdfIn PDF document text
- https://taxforce.nl/userfiles/files/xatutunivebu.pdfIn PDF document text
- https://noble-worldwide.com/wp-content/plugins/super-forms/uploads/php/files/1768594c38c920c5a4243ff62c74f82f/kugibaluxobujezaxafa.pdfIn PDF document text
- http://tokyoto.pl/UserFiles/file/25262658440.pdfIn PDF document text
- http://dogwarts.ru/sites/default/files/file/nolumudakopuviregorovev.pdfIn PDF document text
- http://technoauto.jp/js/upload/files/24603140735.pdfIn PDF document text
- http://gysanya.com/upload/file/210916132510572108g274y1gnol6e.pdfIn PDF document text
- https://mbbs.hr/files/71142861388.pdfIn PDF document text
- http://fipjp.com/userfiles/file/bugevikosopudar.pdfIn PDF document text
- http://behtarinekhodetbash.com/files/files/folagisav.pdfIn PDF document text
- http://lishasurgical.in/ckeditor/ckfinder/userfiles/files/genowe.pdfIn PDF document text
- https://cribpointonline.org/cribpointonline/userimages/file/serugozogutexanitefipisex.pdfIn PDF document text
- http://boatmonies.com/uploads/files/11371869249.pdfIn PDF document text
- https://postelezmasivu-liberec.cz/ckfinder/userfiles/files/43698956770.pdfIn PDF document text
- https://hankilfood.com/upfile/files/wegarogovavipop.pdfIn PDF document text
- https://lapakunited.com/contents/files/jopapajegofubijenedazoren.pdfIn PDF document text
- http://busto-wl.gattinonimondodivacanze.it/themes/userfiles/files/69983226713.pdfIn PDF document text
- https://mavismanagement.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130acf82fb51---pesupetiv.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=malware+iphone+vs+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_off0000c557.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC557 | 16312 bytes |
SHA-256: 2bbc73ff831039447e0acd85448342e3353be2088c2d664e4096ec4e1d81f0ac |
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font_01_sfnt_off0000ef11.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF11 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010728.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10728 | 10536 bytes |
SHA-256: 1ac9aa0d4309c96ce32f2f59352d3b1f652f99f85005870e78b4c146637d4d60 |
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