MALICIOUS
124
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file contains a link farm, with numerous URLs pointing to compromised WordPress upload directories and disposable hosting. The ClamAV heuristic identifies it as a phishing trojan, indicating its primary purpose is to lure users to malicious sites. The embedded URLs suggest a tactic of using compromised legitimate sites to host or redirect to malicious content.
Machine Learning
- Nyx PDF Classifier suspicious score 0.4539
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://xiangzhuan.tw/upload/files/kurivosovixumon.pdf In PDF document text
- http://sinara.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160be2c3ca0038---fowak.pdfIn PDF document text
- http://www.musicmaestrodiscos.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1612034eb365bd---lutetoxifar.pdfIn PDF document text
- https://izharfoster.com/wp-content/plugins/formcraft/file-upload/server/content/files/16112ad555dbdb---2994470079.pdfIn PDF document text
- http://costruzionibulagna.it/userfiles/files/negunoko.pdfIn PDF document text
- http://agnieszkapawlik.com/userfiles/file/ronofudobujabipor.pdfIn PDF document text
- http://smartmedicaleg.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090c946aa8b7---vatazivakipasinefivej.pdfIn PDF document text
- http://ptairsupply.com/userfiles/file/64235936406.pdfIn PDF document text
- https://ballestermultiservicios.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f2152bdd1f---dawelosusajitixa.pdfIn PDF document text
- https://iskoruma.com/upload/ckfinder/files/kezunokazojofedor.pdfIn PDF document text
- http://fundacionecla.org/resources/original/file/dipexenuga.pdfIn PDF document text
- http://mirandatutoringcentre.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607443c68dcc3---46480006813.pdfIn PDF document text
- http://obchodsezlatem.cz/upload/files/kubugojami.pdfIn PDF document text
- https://maydongy.com/wp-content/plugins/super-forms/uploads/php/files/ic1q4cnjic1h8jt8a2d96jcarp/jomasudifupuxi.pdfIn PDF document text
- http://vasilii-orlov.fun/wp-content/plugins/super-forms/uploads/php/files/b384ebf2d87ef3ff531c9ff1693a3051/68229956463.pdfIn PDF document text
- http://networkinglikepro.com/ckfinder/userfiles/files/88021504010.pdfIn PDF document text
- http://www.logistiekverbeteren.nl/ckfinder/userfiles/files/80415136994.pdfIn PDF document text
- https://residenciasanamaro.es/userfiles/files/vinesuripopefimalevup.pdfIn PDF document text
- http://modelkyujin.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c2998f9a8f9---nazonutiwo.pdfIn PDF document text
- https://bititechnika.com/uploads/file/xoxepivatapozuripojek.pdfIn PDF document text
- https://asiajitutop.com/contents//files/dawipugu.pdfIn PDF document text
- http://cleangroupbd.com/ck/upload/files/79672174131.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091884eb5842---patidip.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=mass+fragmentation+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_off0000c7b0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC7B0 | 15848 bytes |
SHA-256: 9a8212cd0e129724cc3cf5aded2ab1f9a7abca62d1905334ff3fb44ffd1c3491 |
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font_01_sfnt_off0000f0c0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0C0 | 10788 bytes |
SHA-256: 1c5cfb81cbe13bc3f4b0cf2809ee829d369ef94afc5721896da30afae3b12337 |
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