MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous embedded URLs that form a link farm, directing users to various domains, some of which are hosted on compromised CMS platforms. The presence of these links suggests a phishing or malware distribution scheme, aiming to trick users into downloading further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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://smidgel.ru/uplcv?utm_term=disney+hotstar+premium+apk+free+download PDF link annotation
- https://onecre.com/images/content/files/diguwatavawaxe.pdfIn PDF document text
- https://home-consult.lu/userfiles/files/lobaxeb.pdfIn PDF document text
- http://monkey-do.net/userfiles/file/57415303215.pdfIn PDF document text
- http://www.bongbansaigon.com/uploads/files/78638745255.pdfIn PDF document text
- http://www.rosabrockenhaus.ch/ckfinder/userfiles/files/nepowagud.pdfIn PDF document text
- http://xn--nellieskche-0hb.de/userfiles/file/lomogolepavevamalepenegos.pdfIn PDF document text
- http://sobateracota.ro/mm/file/21729853028.pdfIn PDF document text
- https://menu2uplus.com/images/file/kibopajuvid.pdfIn PDF document text
- http://satcomlink.com/userData/board/file/27317203479.pdfIn PDF document text
- https://moyaexpresss.com/ckfinder/userfiles/files/megutiz.pdfIn PDF document text
- http://stellarp.com/userfiles/files/85175859034.pdfIn PDF document text
- http://ipjanah.ir/wp-content/plugins/super-forms/uploads/php/files/d867c853g2rhr9crefn29s5vid/memoxoriledogos.pdfIn PDF document text
- http://thegioidahoacuong.com/uploads/image/files/nosepuworono.pdfIn PDF document text
- http://perksys.com/userfiles/file/34961935551.pdfIn PDF document text
- http://mdtrend.hu/files/file/muripumuwebib.pdfIn PDF document text
- https://brukspec.pl/upload/file/76065877220.pdfIn PDF document text
- http://fujieshubao.com/zk/UploadFile/file/2021090402115973499.pdfIn PDF document text
- http://taihegas.com/filespath/files/20210905002043.pdfIn PDF document text
- https://csom.cz/wp-content/plugins/super-forms/uploads/php/files/c572a235a8de3c56784726c124db53ff/97175384780.pdfIn PDF document text
- http://garant-fond.ru/ckeditor/ckfinder/userfiles/Images/files/70471612196.pdfIn PDF document text
- https://icnj.net/ckeditor/ckfinder/userfiles/files/75612503958.pdfIn PDF document text
- http://www.nandomoraes.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16134f8e3a998a---38185844118.pdfIn PDF document text
- http://energo-winstal.pl/userfiles/file/lusumatulokowozukasafa.pdfIn PDF document text
- http://appartementslisa.it/an3_Uploads/file/warid.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_off0000ccb8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCCB8 | 16328 bytes |
SHA-256: 18d335eee32531a6ef13d27537702d0e415846ec99c0cba72d6ee79383309699 |
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font_01_sfnt_off0000f653.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF653 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010e6a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E6A | 11156 bytes |
SHA-256: 3767f38cfbe69efe52606a1ad317f3e611bf48082839f742d1b328004ab427f2 |
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