MALICIOUS
174
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and multiple external URIs, indicating it's designed to redirect users to malicious content. The 'SE_PASSWORD_ARCHIVE_LURE' heuristic strongly suggests the document's purpose is to trick users into downloading a password-protected archive, a common tactic to bypass security filters. The ML classifier and ClamAV detection further confirm its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://cructi.ru/uplcv?utm_term=wwe+2k18+mobile+game+download PDF link annotation
- https://halkapsikoloji.net/userfiles/file/wuzijipidisod.pdfIn PDF document text
- http://xn--90aoa5aj.xn--p1ai/ckfinder/userfiles/files/xanopale.pdfIn PDF document text
- https://washlounge.in/ckfinder/userfiles/files/67892873263.pdfIn PDF document text
- http://lezeckastenakosice.sk/upload/files/lefuguse.pdfIn PDF document text
- http://buyyoutubecomments.com/ci/userfiles/files/miroxovugofufedikup.pdfIn PDF document text
- http://jfac.kr/ckfinder/userfiles/files/42245250023.pdfIn PDF document text
- https://sssmri.com/ckfinder/userfiles/files/favejezoki.pdfIn PDF document text
- https://eventaipei.com/upload/files/wumomuli.pdfIn PDF document text
- https://rhdplumbing.com/wp-content/plugins/super-forms/uploads/php/files/e478759682b2ce84e7912754b583276f/53717030899.pdfIn PDF document text
- http://idolyokocho.com/js/ckfinder/userfiles/files/gujevanifewuseg.pdfIn PDF document text
- https://adminico.nl/userfiles/file/19457068342.pdfIn PDF document text
- https://investir-petroleo.pt/ckfinder/userfiles/files/porar.pdfIn PDF document text
- http://otworz-biuro-podrozy.pl/userfiles/file/59153647941.pdfIn PDF document text
- http://seanmore.com/userData/board/file/dupokoputu.pdfIn PDF document text
- http://yuhao-tech.com/userfiles/file/15214554225.pdfIn PDF document text
- https://basundharamart.com/userfiles/file/95518903540.pdfIn PDF document text
- https://profipreklady.cz/www/ckfinder/userfiles/files/visim.pdfIn PDF document text
- http://irollee.com/userfiles/file/1491224339.pdfIn PDF document text
- http://abwsalisbury.com/uploads/files/xilufarev.pdfIn PDF document text
- http://brlairport.com/images/file/39436745566.pdfIn PDF document text
- http://anhuicrew.com/upload_fck/file/2021-9-12/20210912100003216508.pdfIn PDF document text
- http://bezagsecurity.cz/userfiles/jafidevutofibemol.pdfIn PDF document text
- https://amoslodge10-org.alljobsinliberia.com/ckfinder/userfiles/files/14114643407.pdfIn PDF document text
- http://alituncer.com/userfiles/file/51995414158.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_off0000c32b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC32B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000db3d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB3D | 17308 bytes |
SHA-256: 372afb9fa6ce1dc08faa9c0d6003f5e1130b53b4b94397484a41a5ff90a692ae |
|||
font_02_sfnt_off00010819.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10819 | 10916 bytes |
SHA-256: 2ddc16cb7c85ae5c8a4c6861ea37722b3290cc675ac7db0d2abac6fe4fd1029a |
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