MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is identified as malicious by ML classifiers and ClamAV, and exhibits characteristics of a password-protected archive lure. It contains numerous links to external PDFs hosted on various domains, suggesting a phishing or credential harvesting attempt. The presence of embedded URLs and the overall structure point towards a social engineering tactic to trick users into downloading further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
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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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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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://drafthe.ru/uplcv?utm_term=play+video+on+lock+screen+android PDF link annotation
- https://hacunamatata.ru/wp-content/plugins/super-forms/uploads/php/files/4f93fab7e4dd7f3f7edb308cd6d81d52/xojas.pdfIn PDF document text
- http://abwsalisbury.com/uploads/files/seval.pdfIn PDF document text
- https://ahl2005.com/ckfinder/userfiles/files/35030328412.pdfIn PDF document text
- https://9ja-bet.com/userfiles/file/35519649055.pdfIn PDF document text
- http://constructionone.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161356a2304127---monadugujojovemesupab.pdfIn PDF document text
- https://mysmartedu.com/uploadimages/files/27024913193.pdfIn PDF document text
- http://katachizu.com/img/news/files/wolufiw.pdfIn PDF document text
- https://vannordenvastgoed.nl/userfiles/file/xunuwo.pdfIn PDF document text
- https://esterkins.de/ckfinder/userfiles/files/fuzutenibodiri.pdfIn PDF document text
- https://buddhaart.in/userfiles/file/66562862579.pdfIn PDF document text
- https://marathonblainville.com/userfiles/files/webovemusaxerojuliwa.pdfIn PDF document text
- http://www.samuitns.com/image/upload/File/dizaxosaxob.pdfIn PDF document text
- https://artistaone.co/userfiles/files/52375782753.pdfIn PDF document text
- http://thaihotelsale.com/FileData/ckfinder/files/20210912_E7552E8D920EE68A.pdfIn PDF document text
- http://bbmeti.it/userfiles/files/vobomunomu.pdfIn PDF document text
- http://dulwichtaxi.com/survey/userfiles/files/92312906080.pdfIn PDF document text
- http://sinara.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/161377c3dd4a46---jorutavivebegetugazijogi.pdfIn PDF document text
- http://yuanjiangchem.com/upload/files/25189571411.pdfIn PDF document text
- https://apluskleaning.com/admin/images/file/43494295516.pdfIn PDF document text
- http://parateam.cz/file/xuvipaxofofuz.pdfIn PDF document text
- http://digilit.ir/basefile/digilitir/files/paxoxerip.pdfIn PDF document text
- https://kurtoglumob.com/upload/file/84441962033.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_off0000d4ff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD4FF | 16404 bytes |
SHA-256: 873547ff08b8c04aba72d558f5ed1bcaa03a23b317f675f68abb046c581ecf31 |
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font_01_sfnt_off0000ff7d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF7D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011794.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11794 | 10540 bytes |
SHA-256: 49ebfd871ff0806c0551fb6543b35c137f0391c378f13697f3e01fa8ca3be416 |
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