MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm, many hosted on compromised CMS upload directories and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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 http://afghansolar.com/userfiles/file/koguwa.pdf In PDF document text
- https://europeancustomtailor.com/wp-content/plugins/super-forms/uploads/php/files/104b05ef586db27554764f235cb26f13/3522856611.pdfIn PDF document text
- https://www.higher-energy-trampolineclub.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080b43c3d061---30363900558.pdfIn PDF document text
- https://htfcompact.com/wp-content/plugins/super-forms/uploads/php/files/67b4f6fb66344071228a1948e49e12e6/nusuwimirikekosewitiwasod.pdfIn PDF document text
- https://www.infratechgroep.nl/wp-content/plugins/super-forms/uploads/php/files/8396c756045647bd420db3d475e20f29/36992298192.pdfIn PDF document text
- http://mmt24.ru/files/file/73034901424.pdfIn PDF document text
- http://rhodeislandalpha.com/clients/56223/File/dowulafeze.pdfIn PDF document text
- https://louvre.lv/res/wysiwyg/file/77824743817.pdfIn PDF document text
- https://biocoils.com/img/file/45203013403.pdfIn PDF document text
- http://jointrilogy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607584d780d1f---68213880357.pdfIn PDF document text
- https://homini.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1607e43cff1817---jiputuruxoxukatowuzamof.pdfIn PDF document text
- http://tageedesign.com/ssmpt/documents/file/49272030470.pdfIn PDF document text
- https://ebooksweb.net/files/file/3988073881.pdfIn PDF document text
- http://asirius.su/wp-content/plugins/super-forms/uploads/php/files/0d219164b2de9c606cb2a9789e9b54f6/kivazuje.pdfIn PDF document text
- http://veiligheidsslot.nl/ckfinder/userfiles/files/90640668242.pdfIn PDF document text
- http://grupopiscis.com/upload/files/jajogemupemitukekuzotefo.pdfIn PDF document text
- https://www.mercedesbenzofaustinservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab8b1401ccb---pisofapopakisomugura.pdfIn PDF document text
- https://albawadiroad.com/userfiles/files/tupaxug.pdfIn PDF document text
- https://ballestermultiservicios.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c718bb9dfd---36461094844.pdfIn PDF document text
- https://marksiegeldds.com/wp-content/plugins/super-forms/uploads/php/files/aafe97009af98391c7ee99c0a58086c9/51116022564.pdfIn PDF document text
- http://nek.ua/wp-content/plugins/formcraft/file-upload/server/content/files/160c5e8707a56b---48734183225.pdfIn PDF document text
- https://www.hdcorp.com.br/wp-content/plugins/super-forms/uploads/php/files/ao3l6pigfk6q76ueslebdbpa7c/71808474131.pdfIn PDF document text
- https://bursakaynak.com/userfiles/file/66440774806.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=mots+interrogatifs+worksheetPDF link annotation
- 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_off0000d334.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD334 | 10620 bytes |
SHA-256: 90280713fcf8f0e02fd1e0438f3e47bb2ec76e64280c8c75abb53430b5151f58 |
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font_01_sfnt_off0000eb85.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB85 | 18908 bytes |
SHA-256: 3ac648549a8e6ab3938a2c2e10b63f3f7471c61d31b66d93643fd811e587afd3 |
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font_02_sfnt_off00011c3c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C3C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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