MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
T1553.005 Security Software Blocking
This PDF document was flagged by ClamAV as Pdf.Phishing.Trojan and exhibits characteristics of a malicious file, including a high ML classifier score and a heuristic indicating security software disabling instructions. The document likely attempts to lure the user into disabling security measures, potentially to download a second-stage payload from one of the numerous embedded URLs, such as the one found at https://laborke.ru/uplcv?utm_term=lock+out+apps+android.
Machine Learning
- Nyx PDF Classifier malicious score 0.9911
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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Security software disable instruction high SE_SECURITY_BYPASSDocument instructs the user to disable antivirus or security software — unusual for ordinary documents and high-risk in an unsolicited file
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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://laborke.ru/uplcv?utm_term=lock+out+apps+android PDF link annotation
- http://www.megasaludips.com/wp-content/plugins/formcraft/file-upload/server/content/files/161421646d053a---pizeduwategusogokuwul.pdfIn PDF document text
- http://xsteelstock.com/d/files/16397550498.pdfIn PDF document text
- http://acunambalaj.com/adenoto/upload/files/murepakapumuxafol.pdfIn PDF document text
- https://bisnismedsos.com/userfiles/file/pekabewibososavimoteza.pdfIn PDF document text
- https://ip-kamera-rendszer.hu/ckfinder/userfiles/files/20496010975.pdfIn PDF document text
- http://sumosushingrill.com/uploads/files/masegifijenitodolodexisip.pdfIn PDF document text
- http://remobudostol.pl/pliki/63120789776.pdfIn PDF document text
- https://www.sexualaufklaerung-schule.ch/ck/ckfinder/userfiles/files/fojisusotelu.pdfIn PDF document text
- https://gameclub.by/uploads/files/laxali.pdfIn PDF document text
- https://broadcasthub.com/ci/userfiles/files/bodapaxawaxusetefada.pdfIn PDF document text
- http://safetyassessmentsolutions.co.uk/ckfinder/userfiles/files/71297896531.pdfIn PDF document text
- https://nhatngudongkinh.com/upload/ckupload/files/62934056076.pdfIn PDF document text
- http://snnet.kr/board_pds/fckeditor/2021/09/file/kujuvesonunakofuzumel.pdfIn PDF document text
- https://stopserv.ru/files/file/difuguzegepobefi.pdfIn PDF document text
- https://www.tri-or.fr/tri-or/ckfinder/userfilesfiles/rolalinukuguvax.pdfIn PDF document text
- https://xn--80aaa1arbfjoe3bzh.xn--p1ai/data/files/51960662233.pdfIn PDF document text
- https://uangraja.com/contents/files/451506137.pdfIn PDF document text
- http://mya1fc.com/files/ckuploads/files/55661268735.pdfIn PDF document text
- https://armagedonspedycja.pl/files/file/67468368735.pdfIn PDF document text
- http://ballarioarchitetti.eu/userfiles/files/regunizuv.pdfIn PDF document text
- http://puntolinea.org/userfiles/files/betamumele.pdfIn PDF document text
- http://goodlack.cz/userfiles/file/nozetiludoni.pdfIn PDF document text
- http://th-hl.com///upload/files/suvub.pdfIn PDF document text
- http://arhive.np-sp.ru/img/file/xorimetuwuxixagesumumep.pdfIn PDF document text
- https://monyetjoget.com/contents/files/18143687733.pdfIn PDF document text
- https://xosobacninh.vn/webroot/img/files/68955193665.pdfIn PDF document text
- http://www.gametimecatering.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614437da00e41---18155931694.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_off0000de02.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE02 | 10476 bytes |
SHA-256: 0b1ee55dbd88eb0ba1f7004b24e0d3cdd367f132f3caf6e9edd3a18bc5fa1a37 |
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font_01_sfnt_off0000f5f4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5F4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010e06.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E06 | 17224 bytes |
SHA-256: 42fafe31900a6cade0ae768bfaa8138f2f9eb8893f7b43b4b7dcf8cc0c4286b2 |
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