MALICIOUS
114
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains malformed streams indicative of exploit code, and numerous links pointing to compromised WordPress sites. These links likely serve as a lure to download additional malicious content, such as further exploits or malware. The ML classifier also flagged this PDF as malicious.
Machine Learning
- Nyx PDF Classifier malicious score 0.5042
Heuristics 5
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Malformed active-content stream length medium PDF_MALFORMED_EXPLOIT_STREAM_LENGTHA PDF stream that carries active/exploit-looking content has a declared /Length that does not match the recovered stream body. Malformed stream boundaries and length mismatches are common parser-evasion/supporting evidence around Reader exploit streams.
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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 https://www.jahnigterbraak.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1606d4247284e7---99222843679.pdf In PDF document text
- http://www.lavalledesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607addacd03fb---23799567437.pdfIn PDF document text
- http://www.iqubz.com/wp-content/plugins/formcraft/file-upload/server/content/files/16089ce51ca358---29413929745.pdfIn PDF document text
- https://wentworthre.com/wp-content/plugins/super-forms/uploads/php/files/b76e4a0d79b7ae747ce9f3b334520127/zotifusefesurebebutuna.pdfIn PDF document text
- http://cheapneasytrafficschool.com/CheapNEasyTrafficSchool/pa/trainstation/uploads/image/file/gidufavugol.pdfIn PDF document text
- https://divorcioconsensual.com.br/wp-content/plugins/super-forms/uploads/php/files/a26a88c28b79449f79494d34afe0a421/nalaguxuk.pdfIn PDF document text
- https://agentcctv.com/userfiles/file/44849004584.pdfIn PDF document text
- http://dvg.asia/ckfinder/uploadfiles/files/tiwodizokogipuwiguwuvero.pdfIn PDF document text
- https://movesforfree.com/wp-content/plugins/super-forms/uploads/php/files/94cu3frpcuaimkoppd3jpa9ht3/83301477186.pdfIn PDF document text
- http://studiogaleazzo.eu/userfiles/files/zivopi.pdfIn PDF document text
- http://hilltopperalumni.com/clients/9/93/936f23dc4abb03f6d4a1aae2c8a32781/File/gerileredexewesapi.pdfIn PDF document text
- http://niestachow.pl/data/aktualnosci_imgs/file/zivipakilibepasekexa.pdfIn PDF document text
- http://hzkontejnery.cz/ckfinder/userfiles/files/besokevejoxapegenejeka.pdfIn PDF document text
- http://naturallabs.fr/userfiles/file/24463568786.pdfIn PDF document text
- https://www.acptechnologies.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d9888f4961c---86743315053.pdfIn PDF document text
- https://mithermomix.com.mx/wp-content/plugins/super-forms/uploads/php/files/93dffec4991954a099a055ae5e097c95/70149537169.pdfIn PDF document text
- http://rld-carbon.ru/file/japurumijepoxivekumowowa.pdfIn PDF document text
- https://www.aifimm.it/admin/inc/ckfinder/userfiles/files/68164417751.pdfIn PDF document text
- https://saraelv.no/wp-content/plugins/formcraft/file-upload/server/content/files/160803e6fc0fd1---40177864041.pdfIn PDF document text
- https://aulacvn.com/upload/fck/file/18811579724.pdfIn PDF document text
- https://laxmigrouppune.com/wp-content/plugins/super-forms/uploads/php/files/ed84ffe844f6c40dae1b594fa550f5d1/palixonokevi.pdfIn PDF document text
- http://msci.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/160e684d9e04ff---gorivovezapi.pdfIn PDF document text
- https://hps-gruppe.com/wp-content/plugins/super-forms/uploads/php/files/qsp13gle0gov5jlotmo5tojuqd/32862231117.pdfIn PDF document text
- http://nhs-carpediem.com/clients/46367/File/58068893306.pdfIn PDF document text
- http://asea-admin.com/_userfiles/file/20210501191712.pdfIn PDF document text
- http://parkwestresidences.com/wp-content/plugins/formcraft/file-upload/server/content/files/160778e37937b9---jadivovurokubuporisurikis.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=tom+and+jerry+meet+robynPDF 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_off0000efa2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFA2 | 10452 bytes |
SHA-256: e91589061bfdf1cef45b368ff84afa9e6107bb73bb0cbb34970686fc940462dd |
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