MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs pointing to various domains, many of which appear to be compromised or disposable hosting. Heuristics indicate this PDF is part of a link farm, likely intended to redirect users to malicious content or phishing sites. The ML classifier and ClamAV detection strongly suggest malicious intent, consistent with a phishing or malware distribution campaign.
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://inwebjor.ru/uplcv?utm_term=adult+jokes+for+girlfriend PDF link annotation
- http://www.tsahimmongol.com/uploads/images/files/90403311680.pdfIn PDF document text
- http://bluekeydigital.com/images/pic/file/67316686389.pdfIn PDF document text
- https://www.hermanosvalerorecio.com/ckfinder/userfiles/files/23843030354.pdfIn PDF document text
- https://tradegateindia.com/userfiles/file/ziwixuxevemizolasaguf.pdfIn PDF document text
- http://blackhorsesc.pl/userfiles/file/befexilan.pdfIn PDF document text
- https://transcendenceit.com/wp-content/plugins/super-forms/uploads/php/files/483f5ef3088235994b14cde1b14ac2bd/lerotinexujuxiso.pdfIn PDF document text
- http://averon.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613abb52b0dea---58304458463.pdfIn PDF document text
- https://thuaphatlaihoanghuy.com/uploads/files/83131266228.pdfIn PDF document text
- http://banglenhospital.com/UserFiles/File/duwisosujijapujaxavetokix.pdfIn PDF document text
- https://bunian-co.com/other_files/File/25200619113.pdfIn PDF document text
- http://salman-group.com/userfiles/file/77758127866.pdfIn PDF document text
- http://gonzagafood.com/userfiles/files/37514724089.pdfIn PDF document text
- https://kampusogrenciyurdu.com/file/1050031267.pdfIn PDF document text
- https://www.rogierstoel.nl/wp-content/plugins/super-forms/uploads/php/files/up05kvcl549ks9inj8difir16j/44632693762.pdfIn PDF document text
- http://aybar-gallery.com/userfiles/files/sulukugubalo.pdfIn PDF document text
- http://www.vljainandco.com/userfiles/files/58510137664.pdfIn PDF document text
- http://odontoflash.eu/userfiles/files/zujexe.pdfIn PDF document text
- https://noukos.gr/wp-content/plugins/formcraft/file-upload/server/content/files/161331d60a3c0e---26826984353.pdfIn PDF document text
- http://envigest.cz/upload/file/99603997165.pdfIn PDF document text
- http://tdbm.vn/upload/files/noxafivaxev.pdfIn PDF document text
- https://mariapolis.es/ckfinder/userfiles/files/natomufex.pdfIn PDF document text
- https://himalmanpower.com/ckfinder/userfiles/files/15604459731.pdfIn PDF document text
- https://bbox.ru/images/shared/file/mutaputuradikogopifem.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_off0000efde.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFDE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000107f0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107F0 | 18988 bytes |
SHA-256: 8f210cdec6e1bc094f786aa8735e53d61781ac90b3bba8a1fa177cc5320e39f8 |
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font_02_sfnt_off00013a14.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13A14 | 10668 bytes |
SHA-256: 587b7621eff03284ad6d6ec03dc8ace4d68e4d2e90992c9769422f8c3b8d9e37 |
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