MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URIs, many of which point to disposable hosting and are part of a link farm, indicating a phishing or malware distribution attempt. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports this, identifying the document as a link farm on disposable hosting.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 5
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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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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=game+goku+offline+android PDF link annotation
- http://www.gleason.com.au/application/third_party/ckfinder/userfiles/files/somakig.pdfIn PDF document text
- http://harnettcountyhba.com/userfiles/file/66874967101.pdfIn PDF document text
- https://karatenarrewarren.com.au/ckfinder/userfiles/files/72443410432.pdfIn PDF document text
- http://rapet.hu/files/worisi.pdfIn PDF document text
- http://zeguvietnam.com/uploads/ckfinder/files/mirumepunofusokibulezu.pdfIn PDF document text
- https://sk-developers.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137ed8cc315d---88234025750.pdfIn PDF document text
- http://pensionpoint.cz/userfiles/files/98583697279.pdfIn PDF document text
- http://baohanhranghm.com/upload/img/files/tebedobat.pdfIn PDF document text
- http://nhadep30giay.com/uploads/image/files/29460181227.pdfIn PDF document text
- http://wasserentkalkung.at/ckfinder/userfiles/files/26980714903.pdfIn PDF document text
- https://escritacontabilidade.net/fotos/news/file/45552955203.pdfIn PDF document text
- http://tw-tms.com/uploadpic/xw/files/pigodunemupusawidaliviken.pdfIn PDF document text
- http://symbioticlifetech.org/attfile/fckimg/file///2021090523944_634599290.pdfIn PDF document text
- http://autodilykanka.cz/cmsimple/images/file/58829031533.pdfIn PDF document text
- http://kbo.pl/ckfinder/userfiles/files/26402597984.pdfIn PDF document text
- http://cisseo.net/userfiles/files/2336962436.pdfIn PDF document text
- http://axi-hohenstein.de/userfiles/file/jovewuxegatabevade.pdfIn PDF document text
- http://mondoacquapiscine.com/userfiles/files/51915090549.pdfIn PDF document text
- https://floridainvestment.cz/files/file/wonivomusarudoxenota.pdfIn PDF document text
- https://www.simplythebestevents.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16132c959b327c---17809491074.pdfIn PDF document text
- https://vietnaminsight.biz/ckfinder/userfiles/files/vewilemonibugugov.pdfIn PDF document text
- http://geonatlife.es/ckfinder/userfiles/files/78761319868.pdfIn PDF document text
- http://bagodilovaspark.hu/userfiles/file/dijodudokumubijoraxezoro.pdfIn PDF document text
- https://rentcar888.com/uploads/files/202109231031362604.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_off0000eb27.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB27 | 16752 bytes |
SHA-256: 80c7ea844f5a1673bb9fac7f11efefe0373612198ffa8a022589db4b16c76d50 |
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font_01_sfnt_off00011688.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11688 | 10664 bytes |
SHA-256: c40871afded8cb2952e9883bfb160df27941f2036590d9e205def5c643d932c1 |
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font_02_sfnt_off00012ead.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12EAD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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