MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged by ML classifiers and ClamAV as malicious, indicating a high likelihood of malicious intent. It contains numerous embedded URIs pointing to various domains, many of which appear to be compromised or disposable hosting, suggesting a link farm designed to redirect users to potentially harmful content. The presence of these links and the nature of the heuristics indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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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://irlanc.ru/uplcv?utm_term=gamezone+apk+download
- http://celesteandtorsten.wedding/images/file/xepifawakiporir.pdf
- https://specializedfacilitymgt.com/public_html/userfiles/file/50909414491.pdf
- http://lezeckastenakosice.sk/upload/files/matupilatevixavebaj.pdf
- https://sanipacific.com/attachment/file/bumiwabisufotasufusi.pdf
- http://104.156.58.56/~web2inbox/wp-content/plugins/formcraft/file-upload/server/content/files/1613f7e68cf8d4---lafogubakovumotodilowow.pdf
- https://serpavenger.com/ckfinder/userfiles/files/38665045554.pdf
- http://aptekadc.pl/userfiles/userfile/94214449616.pdf
- http://whitedwarf.ru/public/images/ckfinder/files/vajagemadavigal.pdf
- https://www.ogblfrontaliers.fr/wp-content/plugins/super-forms/uploads/php/files/v8bikp8nvrh568le5a4q1dmo96/85458855001.pdf
- http://www.alwaysflorida.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614152abe66df---14918857104.pdf
- http://palyavalaszto.hu/teszt/upload/file/puketikuregininivaxesa.pdf
- http://xn--9d0b102a6wc3y4a.com/sa_upload/userfiles/file/20210902031717.pdf
- http://autosoftware.company/autoresponders_images/files/77958588554.pdf
- http://vektor-bezpeki.com/userfiles/files/puvevuwarokisipeluzoj.pdf
- https://tourpon.kr/FileData/ckfinder/files/20210906_B5BC425375BE1DB0.pdf
- https://bleikss.com/userfiles/file/kavobiji.pdf
- https://securitydm.rs/slicice/file/fedikiwejatosom.pdf
- http://www.verneteco.com/ckfinder/userfiles/files/1954883415.pdf
- http://hajnysport.cz/FCK_userfiles/file/600151809.pdf
- http://mrtowing.ca/Lawyers/userfiles/file/penilanexunizebinedim.pdf
- http://topp.pl/_topp/file/31559321969.pdf
- https://lean-ds.com/upload/editor/file/mepafelazexitupexuwire.pdf
- https://churchosonline.com/wp-content/plugins/super-forms/uploads/php/files/6142b739dcc429220da2afa020d27968/fodafeweluba.pdf
- https://arizonapoolcontractor.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614092bb42e69---sesufurufatofilojopa.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_off0000d99e.binf5c3ce964cc567e0d0ebff548cbe27364654fbc62627ca5b4c1556b1f3649a37 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD99E | 18184 bytes |
font_01_sfnt_off000108f1.bin520c8ab906778ad3dc28672dadcfe4d2a76a790d00d65ee05ab3eb5bccf7d8cc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108F1 | 10372 bytes |
font_02_sfnt_off00012077.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12077 | 16792 bytes |
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