MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is a common technique for exploiting PDF viewers or redirecting users. The presence of numerous external URIs, many pointing to potentially disposable domains, and the 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic suggest a phishing or link-farming operation. ClamAV detection and ML classification further support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9840
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://skulpt.in/admin/uploads/file/77461342375.pdf In PDF document text
- https://izometal.net/mm/file/84514197512.pdfIn PDF document text
- http://magendans.com/imagefiles/file/xixovivogogiletepufizaki.pdfIn PDF document text
- http://ff-engineering.com/userfiles/files/72156728946.pdfIn PDF document text
- http://nhanvietgroup.com/demo/xay-dung-tnx/upload/files/47637041831.pdfIn PDF document text
- http://prepearl.com/uploadsfile/6018948977.pdfIn PDF document text
- http://isystemlab.com/admin/ckfinder/userfiles/files/degijoxutulerabuki.pdfIn PDF document text
- http://tungalag.mn/userfiles/files/31597557978.pdfIn PDF document text
- https://abandassociates.com/ckfinder/userfiles/files/96508301308.pdfIn PDF document text
- http://bobas24.pl/Upload/file/pegizaxasad.pdfIn PDF document text
- http://klm-co.ru/foto/ck/files/gunozemarasajufafeg.pdfIn PDF document text
- http://quinta.cl/upload/files/tolajenalitapusol.pdfIn PDF document text
- https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/a433acfab87cade7353814add3bad947/wejasibupiw.pdfIn PDF document text
- http://dezmaster.com/userfiles/file/91920082114.pdfIn PDF document text
- https://getlovebooks.com/wp-content/plugins/super-forms/uploads/php/files/b6f7b369997e3f6e1926f00402b7dde6/29030884906.pdfIn PDF document text
- https://seerupit.dk/assens/file/96998539561.pdfIn PDF document text
- http://di-tech.kr/fckeditor/userfiles/file/33433618752.pdfIn PDF document text
- http://1137.jp/app/webroot/js/ckfinder/userfiles/files/47639627443.pdfIn PDF document text
- http://eastcoastbiker.de/sites/default/files/file/38405692654.pdfIn PDF document text
- http://bestofbeer.ru/ckfinder/userfiles/files/basefirapekiziviw.pdfIn PDF document text
- http://ruben.pl/ckfinder/userfiles/files/nafef.pdfIn PDF document text
- https://northcoteplaza.com/userfiles/file/80886756295.pdfIn PDF document text
- https://www.fishhabitatnetwork.com.au/application/third_party/ckfinder/userfiles/files/gofetafo.pdfIn PDF document text
- http://mydreamtuscanwedding.com/editor_up/58770110040.pdfIn PDF document text
- http://norrlandet.se/userfiles/file/vevarujuzo.pdfIn PDF document text
- http://word.mn/uploads/assets/rozoketonimuvu.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=how+to+read+docx+file+in+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_off0000ba30.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBA30 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d242.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD242 | 16488 bytes |
SHA-256: ae303ad5fc2ae6a7278874587f4eee6a6b1365e5a6fe9d1a1383988eeb11a482 |
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font_02_sfnt_off0000fcab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFCAB | 10480 bytes |
SHA-256: 9ca2c591882c263bdf4736758898337e9dc717f52ed2a2bcd84cd956c95ed288 |
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