MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links, many pointing to domains associated with compromised CMS uploads or disposable hosting, indicating a link farm designed to distribute malware. The ML classifier and ClamAV detection strongly suggest malicious intent, likely to lure users into downloading further malicious payloads via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.7423
Heuristics 5
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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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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://sxcec.org/userfiles/file/xiboru.pdf In PDF document text
- https://reifenscho.de/wp-content/plugins/formcraft/file-upload/server/content/files/160eca42491cf2---97373212206.pdfIn PDF document text
- http://dnt-mayak.ru/content/File/jesejubovofis.pdfIn PDF document text
- https://buka.ru/sadm_files/77649195800.pdfIn PDF document text
- https://malimbe.africa/wp-content/plugins/super-forms/uploads/php/files/876fc912b30937d433807a391c779aa9/58045783158.pdfIn PDF document text
- http://chretkinia.pl/userfiles/file/tujazufavefuzakikuv.pdfIn PDF document text
- https://www.lang-mayer.de/wp-content/plugins/formcraft/file-upload/server/content/files/1611bad9e4aada---41546603132.pdfIn PDF document text
- http://www.trimbleexpress.sk/wp-content/plugins/formcraft/file-upload/server/content/files/1608777d61dbcf---56947381259.pdfIn PDF document text
- https://acethamessecurity.co.uk/wp-content/plugins/super-forms/uploads/php/files/cd19da7384768c607ee01b2ed6ab58b5/90915410512.pdfIn PDF document text
- http://www.fashiongale.ro/userfiles/files/9902480550.pdfIn PDF document text
- https://smilepath.com.au/wp-content/plugins/super-forms/uploads/php/files/28fc75d485e1e10efb54e57e396cd76f/gewaxubavo.pdfIn PDF document text
- http://cualuoiskydoor.com/webroot/img/files/21853546898.pdfIn PDF document text
- http://travelshops.pl/userfiles/file/14483501656.pdfIn PDF document text
- http://allnatureint.com/userfiles/file/pulavi.pdfIn PDF document text
- http://abapaposentados.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a90f8d9b621---tomogixufix.pdfIn PDF document text
- https://www.endthestigmacounselling.com/wp-content/plugins/super-forms/uploads/php/files/6i4h83rl13f2h827b8bvhrtaeq/forujekolupozutowatufuro.pdfIn PDF document text
- http://ngocvietbungalow.com/upload/files/neputonawekopapajamire.pdfIn PDF document text
- http://www.orhancoskun.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093d31f40400---19356504487.pdfIn PDF document text
- https://popa.com.br/wp-content/plugins/super-forms/uploads/php/files/a3d38e401db75a0f079997d71ef19e61/8541916993.pdfIn PDF document text
- https://derfo.info/resimler/files/jejusi.pdfIn PDF document text
- http://razaviota.ir/basefile/razaviotair/files/21608769483.pdfIn PDF document text
- https://amalighting.com/wp-content/plugins/super-forms/uploads/php/files/c3abde493dfe277a5ac7a4a3f6bc7dd3/fowupevikov.pdfIn PDF document text
- https://protechlighting.com/wp-content/plugins/super-forms/uploads/php/files/3896c7d448704dd70fd59a7f8a66ac47/87605652752.pdfIn PDF document text
- http://www.morenoroofing.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082d9ffd1e71---kusuvaserumubep.pdfIn PDF document text
- https://twr1115.net/files/fckeditor/file/gikusesuluwaw.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=physiologie+appareil+respiratoire+pdfPDF link annotation
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000dadb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDADB | 19780 bytes |
SHA-256: 959a01629025b8caeaa0be05430f4f99e86cba9b7f33a51d9d5a3c11532c1baf |
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font_01_sfnt_off00010ace.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10ACE | 10788 bytes |
SHA-256: 2095aed41cffea3d4543d7ecbe69c6987fe0e4bf5dd76784f5994c747efa6136 |
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