MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links, many pointing to compromised CMS upload directories, suggesting a link farm or redirection scheme. The ML classifier strongly flagged this PDF as malicious. While no scripts were explicitly extracted, the presence of embedded URLs and the heuristic firings indicate a malicious intent to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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 http://bigandtallking.com/userfiles/file/puzoratexutakogego.pdf
- http://topopentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608801637a413---lowojavojowipape.pdf
- http://blueyee.com/upload/file/140703412784.pdf
- http://cherryontop.pl/upload/fotki/file/66056883916.pdf
- https://fiambreszav.com/wp-content/plugins/super-forms/uploads/php/files/75053dfc0a10671f6330d01a325e65dc/39960136292.pdf
- http://www.chicagoalphas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160757f2af1afd---wosipobo.pdf
- http://itaindustrial.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160819eb471c36---fovumuv.pdf
- http://www.marsagri.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093e323d1d8e---savefewotozenajegulod.pdf
- http://www.kidnuri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d37ccb67a97---zevenowakuvuzebudagomujev.pdf
- http://abapaposentados.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606f888fc39e9---34071342753.pdf
- http://alternativefitness.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160711c8a8fd87---tuwizisa.pdf
- https://moma-restaurant.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9144494dae---10171358984.pdf
- https://oknoplus-omsk.ru/wp-content/plugins/super-forms/uploads/php/files/fb41c71f629480433dd6195e6ddb1171/bilorefizigawowe.pdf
- http://verkoop-je-wagen.be/wp-content/plugins/formcraft/file-upload/server/content/files/160a2fd1162e52---gokex.pdf
- http://absolutelyneon.com/userfiles/file/bururorasamaba.pdf
- https://ildiko-szepsegszalon.hu/userfiles/file/69548733349.pdf
- https://glasschneider.koeln/wp-content/plugins/super-forms/uploads/php/files/v8n5l72hini81ritra4oaed3um/74287684759.pdf
- http://mesotects.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078c387266bc---83075914471.pdf
- https://apoc.com.au/wp-content/plugins/super-forms/uploads/php/files/2a9fb9011c612de665f134d9c5488420/zivikimufisaxap.pdf
- https://comodee.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bbd0d86b706---ruxot.pdf
- http://www.oknookna.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1608dd9765b78f---49291903953.pdf
- https://floridaholidayplanner.com/wp-content/plugins/super-forms/uploads/php/files/34e00275c49c0cbdf54aa7d0bfd4dba1/sodasop.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=how+do+shares+work+in+a+startup
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ebc2.bine11ed65f9f4c290156853f8eba2ecbdbe8a7a9062b15225acaae918973643ab1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBC2 | 10712 bytes |
font_01_sfnt_off00010452.bin495cdc391e12e29f2fe6835a94ac52d31d1ef43b2a83c2e422538f9fbda1c43f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10452 | 17100 bytes |
font_02_sfnt_off000130c4.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x130C4 | 16792 bytes |
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