MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous external links, many pointing to compromised WordPress sites, suggesting a link farm or phishing lure. The presence of PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics further supports this. While no scripts were explicitly extracted, the PDF structure and URL patterns are consistent with phishing or malware distribution campaigns.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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://nomylo.ru/uplcv?utm_term=how+to+install+autocad+free PDF link annotation
- http://akbmodel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ff5d481845---paguxoguvejozugega.pdfIn PDF document text
- http://ahkjt.com/upfile/file/56766023643.pdfIn PDF document text
- https://www.budgetskemaet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160ad06be9e692---bopagivogak.pdfIn PDF document text
- https://coimbatorepressclub.com/FCKeditor/userfiles/file/fosofozegitekufod.pdfIn PDF document text
- http://forter.vn/hinhanh/file/zejanopajelelipulim.pdfIn PDF document text
- https://tasivn.com/upload/ck/files/xowoner.pdfIn PDF document text
- http://benedictinoselrosal.org/ckfinder/userfiles/files/binepilomasejenizezileluz.pdfIn PDF document text
- http://www.lauricedale.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160c52032c28f3---ragagerej.pdfIn PDF document text
- http://www.rosabrockenhaus.ch/ckfinder/userfiles/files/32958202145.pdfIn PDF document text
- https://angkoronetour.com/userfiles/file/76519877608.pdfIn PDF document text
- http://mouaumfb.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c64134a1d6f---sugutiliseviwup.pdfIn PDF document text
- https://nabijdefossa.nl/upload/files/16096062378.pdfIn PDF document text
- http://www.gcsystem.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16092a7638726b---5975907114.pdfIn PDF document text
- http://24horasnoar.com.br/ckfinder/userfiles/files/rosujopuvaxire.pdfIn PDF document text
- https://robotics-institute.com/wp-content/plugins/super-forms/uploads/php/files/tno5ej4hd0e5krb5fq1j9av4qj/79489671513.pdfIn PDF document text
- http://airelimpio.mx/img/editor/file/36318069385.pdfIn PDF document text
- https://nanyangtextile.com/userfiles/file/kopepedinoxelev.pdfIn PDF document text
- https://glasschneider.koeln/wp-content/plugins/super-forms/uploads/php/files/p89c78j638mp1keeubvpmuvtkp/46906958610.pdfIn PDF document text
- https://xn--80aaa1anac6cg.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/2ea9bf386700c05da3586acc0db7f3c2/venasifadoxeduzuwulosupiz.pdfIn PDF document text
- http://bascobrunswick.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160b29c7ab9136---zovezumodefepom.pdfIn PDF document text
- http://ramsteinroyals.com/clients/e/e6/e68fa2bc61b75b8a06766e25905052c7/File/gosemezivajatizugob.pdfIn PDF document text
- http://plusbateria.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086e378483f0---31292764493.pdfIn PDF document text
- http://www.jindatunnel.com/up_files/file/39844380820.pdfIn PDF document text
- http://efrex.cz/files/file/28613686004.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_off0000d5ea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD5EA | 16412 bytes |
SHA-256: bd975aafbffd8c7295ad759e44a7d20c2b48e4caa29bc80c7f03d1ab905922ff |
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font_01_sfnt_off00010092.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10092 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000118a9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x118A9 | 10644 bytes |
SHA-256: 0aec67d2c0c2c0adcd57f32c57900bbfb221b003f8fabc5a6d761d09b97fa780 |
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