MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links pointing to compromised websites and disposable hosting, suggesting a phishing or malware distribution campaign. While no scripts were explicitly extracted, the PDF structure and embedded URLs strongly suggest it's designed to redirect users to malicious content, likely leveraging a PDF exploit or social engineering.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://ketchas.ru/uplcv?utm_term=in+a+covalent+bond+electrons+are PDF link annotation
- http://www.northeastmarquees.com/wp-content/plugins/super-forms/uploads/php/files/735d5c05f84400fc5e18ccb0eaa87e16/26165328283.pdfIn PDF document text
- https://psychotherapie-dr-albrecht.de/wp-content/plugins/formcraft/file-upload/server/content/files/160765845bb276---5747235237.pdfIn PDF document text
- http://argra.rs/wp-content/plugins/formcraft/file-upload/server/content/files/16080e602b0c4d---gipekupinamudutisovogenur.pdfIn PDF document text
- https://folklorebridge.eu/uploads/pictures/files/67528999423.pdfIn PDF document text
- https://fivetc.net/uploads/files/58767878541.pdfIn PDF document text
- https://husvagnsexpo.se/wp-content/plugins/formcraft/file-upload/server/content/files/16071d022dc847---92124749672.pdfIn PDF document text
- http://afghansolar.com/userfiles/file/guramupajazepupa.pdfIn PDF document text
- http://kangs78.com/clients/66216/File/86001547357.pdfIn PDF document text
- http://maxidmum.com/images/upload/fck/file/6501964967.pdfIn PDF document text
- https://alfa-pechati.ru/wp-content/plugins/super-forms/uploads/php/files/3780c75261125e4cfd36ad427de972dd/sidugiweni.pdfIn PDF document text
- https://adiwirawanbali.com/wp-content/plugins/super-forms/uploads/php/files/8b3e20df9e0e506f16f537e541b8a531/xipegefezabidovofu.pdfIn PDF document text
- https://ccveg.org/wp-content/plugins/super-forms/uploads/php/files/ahfc6pu6h8vkai20pascgrnktd/ginadeli.pdfIn PDF document text
- http://e-hane.com/files/xogidumabaloled.pdfIn PDF document text
- http://workprohealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ac273f3e2c---25624073917.pdfIn PDF document text
- http://agcslohian.com/userfiles/file/98450436657.pdfIn PDF document text
- http://vegasoft.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160bffa0301239---34848871564.pdfIn PDF document text
- https://www.officinadelgustoroma.com/wp-content/plugins/super-forms/uploads/php/files/57dfe4eb7ac01b677fefe49cdd610ea8/konamujo.pdfIn PDF document text
- https://wholisticvibrations.com/wp-content/plugins/super-forms/uploads/php/files/1339217660b8cbdf71a3be77161b3124/59490206762.pdfIn PDF document text
- http://innovad-ltd.com/userfiles/file/jerolarazosan.pdfIn PDF document text
- http://pavcargo.ru/wp-content/plugins/super-forms/uploads/php/files/7d321c96adab9f971d4655cf8ac7889c/dezuzom.pdfIn PDF document text
- https://pasarantogelsatu.com/contents//files/61528940725.pdfIn PDF document text
- http://recrute.fr/files/files/bikorafazolorejugeno.pdfIn PDF document text
- http://millecolori.it/images/file/vudenekuxovogilefudela.pdfIn PDF document text
- http://trungnguyenjsc.vn/uploads/image/files/324994712.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_off0000e9b6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9B6 | 10428 bytes |
SHA-256: 1ae34247be21b87b11cc587a4f1f6291f8311f5a0c875bd9e32af1327a952bfa |
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font_01_sfnt_off00010183.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10183 | 16676 bytes |
SHA-256: b32ebc42509b3eba77db4cdedae45998508a037954d5bb1558a72d133f0d7133 |
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font_02_sfnt_off00012cea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12CEA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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