MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs pointing to compromised WordPress sites, identified as a link farm. The ML classifier strongly indicates maliciousness. The primary attack pattern involves luring users to external sites, likely for phishing or to download further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
Heuristics 5
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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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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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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://crewmak.ru/uplcv?utm_term=two+point+charges+4q+and+q PDF link annotation
- http://slowjamsundays.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f7adab8af6---34307804718.pdfIn PDF document text
- http://studioingegneriavaragnolo.com/userfiles/files/liwedoloritixogivez.pdfIn PDF document text
- http://www.chiringuitomediterraneo.com/ckfinder/userfiles/files/fifemipuzopas.pdfIn PDF document text
- http://elenasteele.com/wp-content/plugins/formcraft/file-upload/server/content/files/160da731bdde04---gijom.pdfIn PDF document text
- http://sewakendragroup.com/userfiles/file/mikew.pdfIn PDF document text
- https://sidexsideaudio.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1588756496---1877007160.pdfIn PDF document text
- http://boldogelet.hu/media/nuwuriwifadoreradopipexe.pdfIn PDF document text
- http://anandtouristcorporation.com/uploads/nojub.pdfIn PDF document text
- https://binhruamuinanobac.com/wp-content/plugins/super-forms/uploads/php/files/39temvov09g27ar421nht6frh5/35780476384.pdfIn PDF document text
- https://globalclassic.org/wp-content/plugins/super-forms/uploads/php/files/43njnpjqrrmngkmbo98c3ssv6n/94106532121.pdfIn PDF document text
- http://plenar.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160ca2b01cae3f---22349634699.pdfIn PDF document text
- http://scamps.biz/userfiles/file/73897553400.pdfIn PDF document text
- https://www.corridar.com/wp-content/plugins/super-forms/uploads/php/files/8f3qqr8oaekd0vv9op610756mk/84468628954.pdfIn PDF document text
- http://franzoesischebulldoggen.eu/userfiles/file/24986838858.pdfIn PDF document text
- https://www.3dreamchurch.com/wp-content/plugins/super-forms/uploads/php/files/d5f323926beaacdadf6dd1185c80cd46/26940399005.pdfIn PDF document text
- https://lawpropertyconsultants.co.uk/wp-content/plugins/super-forms/uploads/php/files/5i3u9b0pkn7nt11ms145606iec/88232470246.pdfIn PDF document text
- http://cohn-vossen.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607fe5d2f09eb---kujiwebef.pdfIn PDF document text
- https://www.dishdivvy.com/wp-content/plugins/super-forms/uploads/php/files/87cc5e9ab395ec8b238142423292ac7f/29507645371.pdfIn PDF document text
- http://dvarenda.ru/upload/file/xaramotapelu.pdfIn PDF document text
- https://olgapopovaphoto.com/wp-content/plugins/super-forms/uploads/php/files/f566409a625651dba082d7974eb0cdad/75337957799.pdfIn PDF document text
- http://krakow4you.pl/krakow/files/tuzakefumawix.pdfIn PDF document text
- http://c2mag.com/wp-content/plugins/formcraft/file-upload/server/content/files/160735d1c52413---12716031096.pdfIn PDF document text
- http://freemansphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c9f5e01c79f---72242765738.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000bf5b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBF5B | 17180 bytes |
SHA-256: 33594e0ffd0e96058c99ce8e6a97c203eeac6223fc6265dfe0671171f75e3c39 |
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font_01_sfnt_off0000ecb4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECB4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000104cb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104CB | 11020 bytes |
SHA-256: fb818643f5b3f90c68b94a18d85d16c8859ae884240ca73d376514920b4a9a98 |
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