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 0.9973
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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 https://hafa-verein.de/wp-content/plugins/super-forms/uploads/php/files/efe1001a412933c61e807a54f77188e6/leluweredupezaz.pdf In PDF document text
- https://kisikana.hr/UserFiles/files/94037112525.pdfIn PDF document text
- https://diversifiedhumansolutions.com/wp-content/plugins/super-forms/uploads/php/files/cf1d5cf21319c2415a210ec60edd7524/sesewigalimidunapox.pdfIn PDF document text
- https://robertmatzuzi-massagetherapist.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1608dc7c682353---doxalogugabefu.pdfIn PDF document text
- https://perfecthospitals.org/FCKeditor/file/11843936758.pdfIn PDF document text
- http://duda-tech.pl/dudatech/upload/file/sisoduselopujisipifekezad.pdfIn PDF document text
- https://wpsqld.com.au/wp-content/plugins/super-forms/uploads/php/files/642a6adb49db2d049d25e7df2ef6ec72/83101059138.pdfIn PDF document text
- https://www.shipgo17.com/plugin/ckeditor/ckfinder/userfiles/files/belumut.pdfIn PDF document text
- https://www.adcgrain.com/wp-content/plugins/super-forms/uploads/php/files/5e5cba201e340ed71136203f3810fc79/37932654851.pdfIn PDF document text
- http://pratiklinik.com/img/userfiles/files/zibewesurimofagidi.pdfIn PDF document text
- http://tencanpowder.com/d/files/ragane.pdfIn PDF document text
- https://kemxoi.vn/app/webroot/files/images/pages/files/zozalososak.pdfIn PDF document text
- http://cephedanismani.com/images/pages/file/86481056997.pdfIn PDF document text
- https://www.bevillelecomte.com/ckfinder/userfiles/files/sagusexut.pdfIn PDF document text
- https://associazionedynamica.it/uploads/file/45362102709.pdfIn PDF document text
- http://luckyassessoria.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b2de2271f8b---kosozafenizazam.pdfIn PDF document text
- http://446888.top/userfiles/file/32877154157.pdfIn PDF document text
- http://garderoba.sk/images/_file/libufak.pdfIn PDF document text
- https://inmaabiladi.com/userfiles/files/laguzozedusepirafogawiw.pdfIn PDF document text
- http://dkmmotor.com/files/userfiles/file/92522024520.pdfIn PDF document text
- https://ceccarbotosani.ro/userfiles/file/rumisobuzupogerib.pdfIn PDF document text
- http://permagnet.com/upload_files/file/210809223740722118n5cbag.pdfIn PDF document text
- http://bouncebodysupplements.com/newerac2c/userfiles/file/tebetosegodujar.pdfIn PDF document text
- https://traveltokiev.com/wp-content/plugins/super-forms/uploads/php/files/csocqda4rgjiiahdtqrc3a1mu4/poxogebelatuzatufu.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=baaghi+2+movie+download+in+mp4moviezPDF 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_off0000fbd0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBD0 | 10936 bytes |
SHA-256: 89b1627aefce39322e632bbcf536131471c43f50493bc90a1731ff1076217575 |
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font_01_sfnt_off000114e4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x114E4 | 17132 bytes |
SHA-256: 3c990117b883630615567760254ff6213ce7bc5fd42e2fc0bbfd8636500b9644 |
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font_02_sfnt_off0001415f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1415F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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