MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious File
The PDF document was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. The 'SE_BROWSER_INSTALL_LURE' heuristic indicates the document's content likely prompts the user to install a fake browser extension or update. While no scripts were explicitly extracted, the presence of numerous external URIs, many pointing to disposable hosting, suggests a phishing or malware distribution campaign. The document's purpose appears to be social engineering to compromise the user's system or steal credentials.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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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Browser extension / update installation lure high SE_BROWSER_INSTALL_LUREDocument tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
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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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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://philabc.ru/uplcv?utm_term=skedit+mod+apk PDF link annotation
- http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613fdad2ca562---xefixikepaxojosusixegexuj.pdfIn PDF document text
- https://giverny-bkk.com/upload/files/62947849060.pdfIn PDF document text
- http://xn--h1acbpobggs.xn--p1ai/data/files/voputakolifev.pdfIn PDF document text
- http://partnercable.com/files/71039206624.pdfIn PDF document text
- http://tomboy2.com/images/library/File/xukubekofa.pdfIn PDF document text
- https://itscebu.com/upload/file/20210910142840.pdfIn PDF document text
- http://wohingltd.com/userfiles/temebir.pdfIn PDF document text
- https://tw-itemaos.com/ckfinder/userfiles/files/63243840919.pdfIn PDF document text
- http://minhtoangalaxyhotel.vn/app/webroot/files/ckfinder/files/tasezekegokurejovezofus.pdfIn PDF document text
- http://www.temaricerca.com/entry2013new/admindia/ckfinder/userfiles/files/tifipojugifus.pdfIn PDF document text
- https://ketex.com/trcgp/ckfinder/userfiles/files/zovep.pdfIn PDF document text
- http://www.blackhillsdancecentre.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130fc865e16b---berafugo.pdfIn PDF document text
- http://angel-conference.org/upload_fck/file/2021-9-6/20210906070859443420.pdfIn PDF document text
- http://didula.com/img/file/59076517126.pdfIn PDF document text
- https://himarco.ir/basefile/himarcoir/files/84199824675.pdfIn PDF document text
- http://toyotarent.tw/FileData/ckfinder/files/20210912_F00B054F48226532.pdfIn PDF document text
- http://dd-eng.com/files/files/81113971097.pdfIn PDF document text
- https://envida-nieuws.nl/bsb_website/upload_fck/file/68178720674.pdfIn PDF document text
- http://anduong-nhatthanh.com/uploads/news_file/juzawopewovalobaraj.pdfIn PDF document text
- http://wcsps.com.tw/ckfinder/userfiles/files/gexasuletizixerux.pdfIn PDF document text
- http://iowatriallawyer.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/rulovomisu.pdfIn PDF document text
- https://kp-bs.ru/upload/files/93603190307.pdfIn PDF document text
- https://bazab.ru/ckfinder/userfiles/files/zejikizidor.pdfIn PDF document text
- http://ambulanceservice.pl/userfiles/file/88871082204.pdfIn PDF document text
- 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_off0000ddae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDAE | 18128 bytes |
SHA-256: 6262a4ab05538261b85ca456497fa19514d144cb1ae4f03856818ae067879da1 |
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font_01_sfnt_off00010c9a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C9A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000124b1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x124B1 | 10304 bytes |
SHA-256: 81deffb6f437bb942489c361f0b6d15f77adabda1fefe2f48b3f858ea75ace16 |
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