MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is a common technique for malicious PDFs to execute code or redirect users. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates the document's purpose is to host numerous links on disposable domains, strongly suggesting a phishing or malware distribution scheme. The ML classifier and ClamAV detection further confirm its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9905
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://3dsami.org/uploadfilefiles/fifefifopukosezoga.pdf In PDF document text
- http://htk2.altrodesign.eu/ckfinder/userfiles/files/60610127826.pdfIn PDF document text
- http://hidropro.hu/upload/10912067233.pdfIn PDF document text
- http://xn--eyt274i.com/upload/files/datorunapajekaluvubusi.pdfIn PDF document text
- https://www.elementstraining.co.uk/wp-content/plugins/super-forms/uploads/php/files/1phspor1vib62v94serg4cj929/gapot.pdfIn PDF document text
- https://rjpexport.com/files/40442826940.pdfIn PDF document text
- http://bonfiremadigan.com/uploads/fckeditor/file/87319365008.pdfIn PDF document text
- https://3eyamaichi.com/upload/ckfinder_temp/files/20210916085005.pdfIn PDF document text
- https://demo-calson.garment-pro.com/ckfinder/userfiles/files/letinu.pdfIn PDF document text
- http://noithatsah.com/webroot/img/files/sigad.pdfIn PDF document text
- http://tw-sincere.com/upfiles/editor/files/nalarexuz.pdfIn PDF document text
- http://slkuang.com/v15/Upload/file/202194748595283.pdfIn PDF document text
- https://somogyplusz.hu/files/54313620413.pdfIn PDF document text
- http://jjkxmy.com/upload/files/202109191710595701.pdfIn PDF document text
- https://marbletreasures.com/uploads/image/files/52225269036.pdfIn PDF document text
- https://ekselantechnology.solutions/ckfinder/userfiles/files/78238756460.pdfIn PDF document text
- https://hohsingfiber.com/ufiles/files/71286833079.pdfIn PDF document text
- https://reifenscho.de/wp-content/plugins/formcraft/file-upload/server/content/files/16132465ac3b77---21404633450.pdfIn PDF document text
- http://burbank.kopanramen.com/uploads/files/vusakibukifefimeko.pdfIn PDF document text
- http://aroma-es.red/yamituki-n/uploads/files/3366051888.pdfIn PDF document text
- https://sfasg.jp/js/ckfinder/userfiles/files/wimoxikeravom.pdfIn PDF document text
- http://fxlcd.com/upload/file/21522126247.pdfIn PDF document text
- http://opgzvh.hr/upload/file/kijuse.pdfIn PDF document text
- https://baoyi-chuck.com/ckfinder/userfiles/files/32598558951.pdfIn PDF document text
- https://gfwofficial.com/ck_imgs/files/53181659663.pdfIn PDF document text
- https://kaparatt.com/images/File/37280539347.pdfIn PDF document text
- http://yurisolomko.com/userfiles/file/44516315765.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=unscripted+ernie+johnsonPDF 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_off0000ecd7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECD7 | 17048 bytes |
SHA-256: fd6abbbd821c39de8e83817239ca9d232525673f9d9468d8dda55168fa984b15 |
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font_01_sfnt_off000118ea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x118EA | 10540 bytes |
SHA-256: 840691f5b5596588d00d1e0e9c7ba3d27bc6e69c4a79cad815d5b44be42b5df1 |
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font_02_sfnt_off000130cb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x130CB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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