MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is identified as malicious by ClamAV and an ML classifier, with high confidence. It contains embedded JavaScript, a common technique for executing malicious code within PDFs. The heuristics indicate the PDF acts as a link farm, directing users to numerous external URLs, many of which are unknown and hosted on potentially disposable domains, suggesting a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/6fb650fe8850aa34dae5596291db1326/31420463680.pdf In PDF document text
- http://stilna-ya.com/_userfiles/file/52043997686.pdfIn PDF document text
- http://venkateshservices.com/uploads/sokibopudat.pdfIn PDF document text
- https://lexcyberia.com/userfiles/files/35673581547.pdfIn PDF document text
- http://vantaidongsaigon.com/uploads/files/sijisirojibijanudubi.pdfIn PDF document text
- http://ageddfjtjgrade.pretty-match.com/upload/files/32826585436.pdfIn PDF document text
- http://wsp.pl/userfiles/file/jetugo.pdfIn PDF document text
- https://christianboudreau.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137058aac99f---88495718040.pdfIn PDF document text
- http://www.hangmandigital.com/files/file/nigidesoforafoxokuvisixuf.pdfIn PDF document text
- http://aaaexpressheating.com/userfiles/file/pikanej.pdfIn PDF document text
- http://sirindhorn.net/upload/File/4735533253.pdfIn PDF document text
- http://dietgame.net/admin/fckeditor/data/file/20210912072024.pdfIn PDF document text
- https://www.gryf-wet.pl/ckfinder/userfiles/files/koxuxedifuzibijurusevad.pdfIn PDF document text
- http://bienchidan.org/uploads/files/455738472.pdfIn PDF document text
- https://hilanguage-com-tw.triangle-design.com/files/fujuwanibijafakopurinax.pdfIn PDF document text
- https://pharma-tools.pl/galeria/file/kizirotix.pdfIn PDF document text
- http://ilyxrace.com/userfiles/files/29344953493.pdfIn PDF document text
- http://www.tivafa.hu/upload/file/80374095103.pdfIn PDF document text
- http://trunglam.vn/uploads/userfiles/file/vifiveb.pdfIn PDF document text
- https://myparrotfood.com/user_files/files/ramagu.pdfIn PDF document text
- http://webinaris.org/ckfinder/userfiles/publics/files/3658845149.pdfIn PDF document text
- https://vanphongphampmc.com/upload/files/56183624274.pdfIn PDF document text
- http://autofactory-jin.com/js/upload/files/7586466612.pdfIn PDF document text
- http://chanhbon.vn/media/ftp/file/jotona.pdfIn PDF document text
- https://giolog.biz/images/bulk_images/files/tukirovovuwiwal.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=android+symbol+copy+and+pastePDF 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_off0000de54.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE54 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f66b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF66B | 10912 bytes |
SHA-256: 6f9d876739311de6767d351a40dc014a08833925b5b62374e761591b1f533702 |
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font_02_sfnt_off00010f7c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F7C | 19688 bytes |
SHA-256: 68047a5d1a56871f1e735eaf02dcfeb6d706db2f44541e512a5d4b5e772db2ee |
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