MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF exhibits characteristics of a phishing lure, being image-heavy with minimal text and containing numerous external links. The heuristic 'PDF_IMAGE_LURE' indicates it's designed to trick users into clicking, likely to a malicious site. ClamAV detection and ML classification further support its malicious nature. While no scripts were explicitly extracted, the presence of external URIs suggests a potential download or redirection to a malicious payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9957
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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Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LUREPDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 68 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
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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://infrive.ru/uplcv?utm_term=the+sims+4+free+download+for+android PDF link annotation
- https://tramhuonghanoi.vn/upload/files/siperevasojozid.pdfIn PDF document text
- http://bojovesporty.cz/userfiles/file/70672523834.pdfIn PDF document text
- http://samnakthodrahassob.com/userfiles/file/gabowutafudewogikiw.pdfIn PDF document text
- http://karate-talence.com/newsite/userfiles/files/87338020850.pdfIn PDF document text
- http://ersatzmonitor.de/userfiles/file/musereloriremenujufilo.pdfIn PDF document text
- https://santehsevast.ru/userfiles/files/56251542393.pdfIn PDF document text
- http://oskarmak.com/userfiles/file/mebowidimas.pdfIn PDF document text
- https://jv-cms.crazy-jessie.nl/uploads/files/16579139418.pdfIn PDF document text
- https://skywaynepal.com/userfiles/file/sozexenakud.pdfIn PDF document text
- https://etadelloro.it/images/file/95578340148.pdfIn PDF document text
- http://myshiou.com/uploads/files/202109090534428297.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/161416b8dc57d8---wamodorimugivupafozu.pdfIn PDF document text
- http://www.sosonomo.com/ckfinder/userfiles/files/xavuluxunoxugixurise.pdfIn PDF document text
- http://plenerowe.kbo.pl/ckfinder/userfiles/files/98911275053.pdfIn PDF document text
- http://maxidmum.com/images/upload/fck/file/duxowasijonisojinu.pdfIn PDF document text
- http://myoffice2561.sesao33.net/UserFiles/File/15500075586.pdfIn PDF document text
- https://hk-delight.com/UploadFiles/file/41928987473.pdfIn PDF document text
- http://spc1991.com/ckfinder/userfiles/files/52862572671.pdfIn PDF document text
- https://777mto.com/contents/files/25607795162.pdfIn PDF document text
- https://ferdavagnar.is/images/fck/file/mukejimizozirukesavewuku.pdfIn PDF document text
- https://winpoasia.com/ckfinder/userfiles/files/jujigekegesobujamozob.pdfIn PDF document text
- http://gibisch.com/files/files/77176225487.pdfIn PDF document text
- http://onelove.cz/file/tepegitiw.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_off0000af81.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAF81 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c798.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC798 | 10648 bytes |
SHA-256: 1f76ff248e8265397c378e31b3bc243284f0403751a8842aaf7e4760622c6728 |
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font_02_sfnt_off0000dfdc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFDC | 14060 bytes |
SHA-256: fca7df695552ab96cf71fabb315f6c5b26696ad0eefde1caa577bcd441779f1f |
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