MALICIOUS
254
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
T1059.007 JavaScript
This PDF file was flagged by multiple heuristics as malicious, including a high-confidence ML classifier and ClamAV detection. It contains embedded JavaScript and external URIs pointing to disposable hosting, suggesting it's part of a phishing or malware distribution campaign. The heuristics indicate lures for browser extension installation, remote support tools, and password-protected archives, all common social engineering tactics to bypass security controls and deliver malicious payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 9
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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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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Remote-support tool lure high SE_REMOTE_SUPPORT_LUREDocument instructs the user to install, open, or connect with a remote-support tool such as AnyDesk, TeamViewer, Quick Assist, or ScreenConnect — high-risk in an unsolicited document
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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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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 https://allytemp.ru/uplcv?utm_term=zenwatch+manager+app
- http://comicpapyrus.com/wp-content/plugins/super-forms/uploads/php/files/8b26861fc5d97daf2bb48c7f484e0dc0/jefofelopezonadasugasofu.pdf
- http://chelseafoodmart.com/uploads/files/3658623537.pdf
- http://thedewakohchang.com/image/upload/File/imonopuroxor.pdf
- http://andersonlawdecorah.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/77482406275.pdf
- http://lubrifianti-auto.ro/files/file/80053429312.pdf
- https://pilot-nav.socksnbows.com/ckfinder/userfiles/files/40148415010.pdf
- http://heatexchangersolution.com/upload_fck/file/2021-9-9/20210909051812209808.pdf
- http://www.enredmail.com/templates/files/idCliente_/file/livixa.pdf
- http://clubselectionvoyages.net/images/file/1004255191.pdf
- http://uhorder.com/upload/files/wifuponetapawex.pdf
- https://lensprovn.com/ckfinder/userfiles/files/welomejiworoponafer.pdf
- https://www.potravinyav21.cz/ckfinder/userfiles/files/35892765191.pdf
- http://laxycoffee.com/upload/files/87469631174.pdf
- https://www.colegiodomus.com.br/js/ckfinder/userfiles/files/towake.pdf
- http://suamayin.biz/userfiles/file/dumatiminizogozotetosod.pdf
- http://shop-exclusive.cz/userfiles/file/16862517341.pdf
- http://biblioteka-belzec.pl/upload/files/ledidisorasepaxigegiv.pdf
- http://hwayinn.com/image/files/20210911_115036.pdf
- https://www.hasmow.com.au/application/third_party/ckfinder/userfiles/files/jimikoneradavodejed.pdf
- http://kbidc.kr/upload/editor/file/1631069029.pdf
- http://inhome360.ru/admin/ckfinder/userfiles/files/50948275790.pdf
- https://netiko.ge/img/Data/file/86630790624.pdf
- http://thelifelesson.net/home/tappingchanges/public_html/dowalumniusa/ckfinder/userfiles/files/1098225476.pdf
- http://c-amc.com/upload/files/negefejijesinemojizobu.pdf
- http://kapsalonindex.nl/images/uploads/gavinoda.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000df29.bin84252a71daf9719b9a30cbf24095274f4a3f04bc6ba8d7be2fd883c514f96257 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF29 | 10444 bytes |
font_01_sfnt_off0000f6c2.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6C2 | 16792 bytes |
font_02_sfnt_off00010ed4.bin29307c73b82627587f9411b9890fe4773567fdcc2e00fa5ee29d562a625ba63a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10ED4 | 17592 bytes |
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