MALICIOUS
174
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains embedded JavaScript and numerous external URIs, many hosted on disposable domains, suggesting a phishing or malware distribution attempt. The 'SE_PASSWORD_ARCHIVE_LURE' heuristic indicates the document likely instructs the user to open a password-protected archive, a common tactic to bypass gateway security. The ML classifier and ClamAV detection strongly support the malicious nature of this file.
Machine Learning
- Nyx PDF Classifier malicious score 0.9833
Heuristics 7
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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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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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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://garglob.ru/uplcv?utm_term=how+to+crack+screen+lock+pin
- https://cqc-material.com/app/webroot/userfiles/files/8863423861.pdf
- http://laros.cz/UserFiles/file/61935407298.pdf
- http://ingfrimale.com/userfiles/files/50426579388.pdf
- http://doradcyprawni.com/images/pliki/46531794333.pdf
- http://duocmyphamcongty.com/app/webroot/uploads/files/gigerakegogowivipivaj.pdf
- https://garnet-medical.com/userfiles/files/27276897714.pdf
- http://skonasystems.com/userfiles/file/pabakagukemivoxaxi.pdf
- http://idolyokocho.com/js/ckfinder/userfiles/files/2688279057.pdf
- https://ehbo-oostkapelle.nl/userfiles/file/84898817414.pdf
- http://candleelectricals.com/uploaded_files/userfiles/files/3493517959.pdf
- https://ww150003.linebot.net/upfile/files/20210907041402.pdf
- http://ahrestygz.com/userfiles/files/20210918_094411.pdf
- http://bosch-elektronarzedzia.pl/catalog/file/tofukagadep.pdf
- http://refah4ter.info/basefile/hotelrefah4terir/files/41539745988.pdf
- http://pacemakerpressintl.com/uploads/assets/file/4270890339.pdf
- http://premiumresourcing.com/wp-content/plugins/formcraft/file-upload/server/content/files/16142b81191d4c---wozoxuwudi.pdf
- http://trungtamsangloc.vn/uploads/ck_upload/files/59905215633.pdf
- https://automatisme-portail-bordazzi.fr/userfiles/fichiers/52237420985.pdf
- http://dispensapertutti.com/userfiles/files/84497387561.pdf
- http://braghieriarchitettura.com/userfiles/files/jataxowufirokogiz.pdf
- http://agro-pasz.pl/ckfinder/userfiles/files/tesufatudafoxojafom.pdf
- https://ip-kamera-rendszer.nuttydog.hu/ckfinder/userfiles/files/66338077645.pdf
- http://security-m.jp/tool/images/file/mitufebujawesiro.pdf
- http://ridendo.cz/files/file/pepezofovuxizadu.pdf
- https://victory-agency.com/wp-content/plugins/formcraft/file-upload/server/content/files/161355cffda7b2---93513495456.pdf
- http://njbeihang.com/uploadfile/file///2021091805594179.pdf
- http://bfr-bialapodlaska.pl/userfiles/file/dakativanifegivuraretasef.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_off0000de8d.binea0d03bccf6666dacfd372479e38f374a856232230e343f31d60034ce239c502 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE8D | 10536 bytes |
font_01_sfnt_off0000f6ac.bin7eccd97ec168821e3d4fb4fd8f8c4ff38446eeeccc3c94969f21e867da26fc86 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6AC | 17888 bytes |
font_02_sfnt_off000124c1.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x124C1 | 16792 bytes |
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