MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The ML classifier and ClamAV detection strongly indicate maliciousness. The PDF contains numerous links, many pointing to compromised WordPress sites hosting other PDFs, suggesting a phishing or malware distribution scheme. The document body is unreadable, but the heuristics and URLs clearly show a link farm intended to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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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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://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/br8pfk1kr5dfcpu9vsj37kc98v/27661450841.pdf
- http://dangkyidol.com/wp-content/plugins/super-forms/uploads/php/files/uk0m5ersqv9h17cqr0vbt08eld/zulusilawagevugevedefale.pdf
- http://ehoron21.mn/uploads/files/desibol.pdf
- http://imagespa.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1607949f815637---vinemalebasajowamekiti.pdf
- https://egca.fr/userfiles/file/zizekep.pdf
- https://wita.lt/images/files/41871454655.pdf
- https://brusroom.com/wp-content/plugins/super-forms/uploads/php/files/4cbeada0fb77882a086695f97c52c73a/mokivixumukorofip.pdf
- http://karinameal.com/imgdish/files/65309418039.pdf
- https://aquariumfargo.com/wp-content/plugins/super-forms/uploads/php/files/2bb559a6a64bac47661b3493d14764ff/95476290137.pdf
- http://woodsfamilypride.org/clients/2/2c/2c83419adcf4927d74d3defe18342386/File/nenemetutu.pdf
- https://www.sharpeningfactory.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b1f77bda574---kabibupewepuwarunetodej.pdf
- http://www.jcca.co.in/wp-content/plugins/formcraft/file-upload/server/content/files/1607edce1045b5---94455056400.pdf
- http://ketoanantamhcm.com/uploads/files/jebolined.pdf
- http://caopump.com/admin/userfiles/file/65059459638.pdf
- http://recruiters-zone.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609630dc29d51---43441358208.pdf
- https://siphouse96.com/wp-content/plugins/super-forms/uploads/php/files/9db53775d7e0eff8c22cb730592e0e23/kojolibagajulesatupuwo.pdf
- https://torgradio.ru/new/files/file/kagewuwonatagaji.pdf
- http://master-sign.ru/ckfinder/userfiles/files/newezezibafezivibovesib.pdf
- https://yarsan.ru/wp-content/plugins/super-forms/uploads/php/files/b99882900444c8290c462652272c61d8/47603797619.pdf
- https://lsp.od.ua/wp-content/plugins/super-forms/uploads/php/files/59cb8l8g1nvev0n2v5aek2kei0/finisa.pdf
- https://giustofiori.it/file/52175484084.pdf
- https://canionglobal.com/FCKeditor/file/gesagiwa.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=i+wish+you+all+the+best+that+life+has+to+offer
- http://kioskcondoweb.wpengine.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4fe70c90fa---10929419613.pdf
- 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_off00010be2.binaabcdda8cbee6df94b132960ee6459c65179da1f1fe7c78876fd754b74139f81 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10BE2 | 16832 bytes |
font_01_sfnt_off00013739.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13739 | 16792 bytes |
font_02_sfnt_off00014f50.bin23fdd664ece88e4eeb9584d707288a863ebc91c7fa28d268bf94ad079fa049de |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14F50 | 10596 bytes |
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