MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and ML classifiers indicate a high probability of maliciousness. It contains numerous embedded URLs pointing to various domains, many of which appear to be compromised or disposable hosting, suggesting a link farm designed to redirect users. The presence of these links and the overall detection indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
Heuristics 6
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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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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=taptap+apk+download+latest+version
- https://navoloki.mebel18.com/uploads/files/lesuzorekexexatoxarozal.pdf
- https://artofsurfing.com/preview/ckfinder/userfiles/files/46115919133.pdf
- http://securitydirect.it/wp-content/plugins/super-forms/uploads/php/files/2102873476bfab5b9ba2229627c4eec8/47340339922.pdf
- http://ntouioc.ntou.edu.tw/ckfinder/userfiles/files/66927350689.pdf
- http://homelife-superstars.com/image/files/dosepimodafufutakuvuxid.pdf
- https://karapinler.com/calisma2/files/uploads/51814223949.pdf
- http://bajkolandia-leszno.pl/userfiles/file/53319541146.pdf
- http://maradonasalud.com.ar/ckeditor/ckfinder/userfiles/files/kijamupu.pdf
- https://giltmorestukko.hu/ckfinder/userfiles/files/kovare.pdf
- https://www.revistadefiesta.com/wp-content/plugins/formcraft/file-upload/server/content/files/161405ec6a3488---mazavewavar.pdf
- http://adhdadvisory.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614172c2f35f4---25474213511.pdf
- http://nuuts.mn/uploads/assets/fojobimafinitagupejosipi.pdf
- http://ets-sptk.ru/pic/file/20712952249.pdf
- http://mg001.cn/upload_fck/file/2021-9-2/20210902112724722663.pdf
- https://mailing.crpm.ch/ck/ckfinder/userfiles/files/72507797500.pdf
- http://osmed.cz/app/webroot/files/files/79454455098.pdf
- https://www.anoregmt.org.br/ckeditor/ckfinder/userfiles/files/zejugedati.pdf
- http://khojedu.net/userfiles/file/zabita.pdf
- http://ventensis.lt/public/ckfinder/userfiles/files/56547876927.pdf
- http://teakdeck.pl/files/file/kitagajigefuravesebo.pdf
- http://jedwines.com/cmsCart/upload/file/lizomoreritase.pdf
- http://heaig.org/editor/ckfinder/userfiles/files/xigegibelolusedeges.pdf
- http://www.focitabor.hu/userfiles/file/xijibelaxitutomafi.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d27b.bin9b486ad15fe64d430756273648896defb0e805e7726bcceaac74c9fd501a36b0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD27B | 10592 bytes |
font_01_sfnt_off0000eae1.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEAE1 | 16792 bytes |
font_02_sfnt_off000102f3.bin027a2f196d7281572dcca1d1145b122118072fcc5ebe2a9a8650c4cb31923c2c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102F3 | 17868 bytes |
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