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 CMS upload directories, suggesting it functions as a link farm or redirection mechanism. The presence of embedded URLs and the PDF structure itself, combined with the compromised hosting, strongly suggests a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://philabc.ru/uplcv?utm_term=skyforce+game+for+android PDF link annotation
- http://nato-denkmal.de/uploads/file/43568977870.pdfIn PDF document text
- http://israel-aliya.com/wp-content/plugins/super-forms/uploads/php/files/bca301760ab72e40caa7d45096cda66f/rulorowuzuxokixijebis.pdfIn PDF document text
- https://saraelv.no/wp-content/plugins/formcraft/file-upload/server/content/files/1614ce970b6821---daxezewulila.pdfIn PDF document text
- https://acconpriti.com/ckfinder/userfiles/files/51347129124.pdfIn PDF document text
- http://feminella.ro/upload/fck/57264054597.pdfIn PDF document text
- http://geyikkimya.com/userfiles/upload/file/85736120461.pdfIn PDF document text
- http://omni-links-europe.com/images/blog/file/vasagitoxawuvumonerixiwiw.pdfIn PDF document text
- http://staropolski.net/Upload/file/nexotaj.pdfIn PDF document text
- https://proartgaleria.hu/files/files/35625250392.pdfIn PDF document text
- http://www.rolstoellift.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614d20a2d2cf4---resoxanemefovemap.pdfIn PDF document text
- https://infosantiere.ro/userfiles/file/29789858931.pdfIn PDF document text
- https://papersacksfactory.ae/images/bulk_images/files/45283024443.pdfIn PDF document text
- https://interativacorretora.com/fotosempresa/files/5977415798.pdfIn PDF document text
- http://salman-is.com/userfiles/file/1182326705.pdfIn PDF document text
- http://aotmoo.com/uploadfile/files/20210926_150526.pdfIn PDF document text
- http://omni-links.com/images/blog/file/megudaranewe.pdfIn PDF document text
- https://ventadeterrenosagricolas.com/userfiles/file/sekutexis.pdfIn PDF document text
- https://kachhiproperties.com/wp-content/plugins/super-forms/uploads/php/files/52e964ddfa6988d8ea0d4c77971ab4a2/gimedavukepumixisep.pdfIn PDF document text
- http://vegman-kzn.com/ckfinder/userfiles/files/vojogukajig.pdfIn PDF document text
- http://riph.pl/userfiles/file/zodezusisug.pdfIn PDF document text
- http://cpspcb.com/uploads/files/gexaxibogaxi.pdfIn PDF document text
- https://candbco.com/ckfinder/userfiles/files/fimodi.pdfIn PDF document text
- https://eqonetech.com/upload/userfiles/files/56151735078.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_off0000ae7d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAE7D | 10788 bytes |
SHA-256: 5f44ac89a29ef2b2a499a27b2e279545b3efbd4eab4c8deff7d77d25403e464c |
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font_01_sfnt_off0000c72d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC72D | 16828 bytes |
SHA-256: 67180642e3a077e3c6d5e2fe82cbe9cef41111b90ce11c6bc35b9f1298afe0c4 |
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font_02_sfnt_off0000f1e0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1E0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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