MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains a link farm pointing to numerous compromised websites, identified by heuristics like 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM'. The ClamAV detection 'Pdf.Phishing.Trojan-d2568dad23a94d95-10044375-0' and the ML classifier further indicate malicious intent. The primary goal appears to be directing users to potentially malicious or phishing content hosted on these compromised sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.6664
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://kapelski.pl/userfiles/file/44054591483.pdf In PDF document text
- http://www.grupohk.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16070f0b9be129---36501142433.pdfIn PDF document text
- http://conwaychristian.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607682d1b1de6---30093584886.pdfIn PDF document text
- https://mmszke.hu/files/file/fivevirudamosirebaf.pdfIn PDF document text
- https://locoffice.ru/userfiles/file/47398873744.pdfIn PDF document text
- http://bellezaeimagen.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1607fae706bb40---fuvebalajubijasu.pdfIn PDF document text
- http://thedreaminitiative.org/Content/Admin/uploads/files/zodunibi.pdfIn PDF document text
- http://www.movingintofreedom.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c6e6a86f41b---2220044492.pdfIn PDF document text
- http://adoriantarla.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160a9be84d3815---movokuxipomijiwunimulo.pdfIn PDF document text
- https://yourlightingbrand.com/wp-content/plugins/super-forms/uploads/php/files/2c27154071148acafb4e247b22d889a0/85700675031.pdfIn PDF document text
- http://www.airportlimofortlauderdale.net/wp-content/plugins/formcraft/file-upload/server/content/files/160b67be9da200---12723606449.pdfIn PDF document text
- https://readxyz.com/wp-content/plugins/super-forms/uploads/php/files/7bbd736e491fd5453053be4877c760f1/56319168581.pdfIn PDF document text
- https://gamletaarnhuset.no/wp-content/plugins/formcraft/file-upload/server/content/files/16078295a55a6e---98411718663.pdfIn PDF document text
- http://www.maoles.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608446279c587---nogududopefifibunib.pdfIn PDF document text
- http://exactblue.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f36c7277f9---ralinetegewenimurubir.pdfIn PDF document text
- http://wecans.net/_UploadFile/Images/file/pazunireruxobase.pdfIn PDF document text
- http://recruiters-zone.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b9c6421a73b---16520706365.pdfIn PDF document text
- https://www.gml.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a8431d2e910---58452208075.pdfIn PDF document text
- https://vanphongphampmc.com/upload/files/vupijofe.pdfIn PDF document text
- http://mijneigenlift.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a751bc9efd8---75720061240.pdfIn PDF document text
- http://sochi-polyana.com/ckfinder/userfiles/files/28164698249.pdfIn PDF document text
- http://www.majorisinvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160aeceadc281e---8123501092.pdfIn PDF document text
- https://www.landalastadservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d428113e4c---74627730138.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=woodhaven+freewill+baptist+churchPDF 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_off0000e012.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE012 | 17396 bytes |
SHA-256: 6234811fc92c377630b4cdd5bc20db959cb0427bdb4d8f61eabaa3a5e113e156 |
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font_01_sfnt_off00010d85.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D85 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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