MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains a large number of embedded URLs pointing to various websites, many of which appear to be compromised WordPress installations or disposable hosting. The primary function seems to be acting as a link farm, potentially to distribute phishing lures or manipulate search engine results.
Machine Learning
- Nyx PDF Classifier malicious score 0.7448
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://beijinghuojia.cn/userfiles/file/97010926268.pdf In PDF document text
- http://refta-bg.com/userfiles/file/95739644167.pdfIn PDF document text
- http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/bpaj4jehfore2686rg9of3i19i/23466157726.pdfIn PDF document text
- https://asigurareingermania.ro/wp-content/plugins/super-forms/uploads/php/files/jqh16bovmi8jdtkh89gkrtger0/82614553201.pdfIn PDF document text
- http://usa-ex.com/images/blog//file/tubajaligiw.pdfIn PDF document text
- https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0cd1e4c2de---jokuxowitirugejonakuw.pdfIn PDF document text
- http://metisentry.net/ckfinder/userfiles/files/xejenotunivopavov.pdfIn PDF document text
- https://tavcam.com/upload/ckfinder/files/94356865676.pdfIn PDF document text
- http://lumieretvie.com/userfiles/file/36379278966.pdfIn PDF document text
- https://rclurie.com/wp-content/plugins/super-forms/uploads/php/files/65260d10ffc68edb8c39a3e0fdd941e8/dilurupixuvuwukag.pdfIn PDF document text
- http://brlairport.com/images/file/zagopiwurobaxuliduden.pdfIn PDF document text
- http://beamstraffic.ae/amb/userfiles/file/lotafigo.pdfIn PDF document text
- http://sutphinsgermanshepherds.com/clients/21958/File/taduxuk.pdfIn PDF document text
- https://canadiancontractorservices.com/wp-content/plugins/super-forms/uploads/php/files/oqa1dv4rmtu0ga7klje8nhe193/12596738985.pdfIn PDF document text
- https://www.ideaklinikizmir.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608173a109cba---gosenobigedamonavi.pdfIn PDF document text
- http://www.thebetterinsurance.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0f2204822b---fogutolivajewoxojowak.pdfIn PDF document text
- http://www.dj-csnl.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160aba16ac3bdc---86655456927.pdfIn PDF document text
- https://evg-prague.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160a0d3493f65b---41775668998.pdfIn PDF document text
- https://www.die-umzugsfabrik.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607dc1c8d3599---70007314743.pdfIn PDF document text
- http://trackeg.com/en/wp-content/plugins/formcraft/file-upload/server/content/files/160a6e4d6758f3---19935586923.pdfIn PDF document text
- http://www.rolstoellift.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c4c82c862f9---65697888276.pdfIn PDF document text
- https://armagedonspedycja.pl/files/file/wazabinowew.pdfIn PDF document text
- https://cafesca.com/ckfinder/userfiles/files/89190283582.pdfIn PDF document text
- http://lawcab.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160b81cff7fbb0---ravapurado.pdfIn PDF document text
- https://tirthmobile.com/wp-content/plugins/super-forms/uploads/php/files/6rfe0r96pbgnq99csr2keirr8c/81994896327.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=lottery+results+set+for+lifePDF link annotation
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ee64.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE64 | 16680 bytes |
SHA-256: 1087b214bd9bde45ae73919198ddea041c83046dab7fc80980795abddde6594a |
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