MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links pointing to compromised WordPress sites, identified by heuristics like PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM and PDF_SEO_DISPOSABLE_LINK_FARM. The ML classifier and ClamAV detection strongly indicate malicious intent. The embedded URLs likely serve as a link farm to redirect users to malicious content, consistent with phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9929
Heuristics 6
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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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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://voolabs.com/wp-content/plugins/formcraft/file-upload/server/content/files/160711635545a3---93121856305.pdf
- http://kaies.cn/upfiles/21062709284373816720xdx9.pdf
- https://www.enviedecrire.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078902de759f---mowobosotovekajuju.pdf
- http://www.hollyskauaicondo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073c9868fc0a---72163959759.pdf
- https://emotionalgift.com/ckfinder/userfiles/files/mibivomozig.pdf
- http://andreagarciam.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087f01dceab0---bobakezivigejen.pdf
- http://iideree.org/wp-content/plugins/formcraft/file-upload/server/content/files/160be9802466b6---voxenijino.pdf
- https://batikatravels.com/userfiles/file/zuxidikiritesogufudun.pdf
- http://vudafrique.com/wp-content/plugins/super-forms/uploads/php/files/1ec8cffc4c8c59196dd74b4a052328ae/49179690577.pdf
- http://zhouzhuank.com/v15/Upload/file/2021619828131969.pdf
- https://arab-hams.com/Ups/files/89881458209.pdf
- http://abimobiliare.pl/pliki/File/34397203369.pdf
- https://goldengrowers.com/wp-content/plugins/super-forms/uploads/php/files/c0d77ce2fdaef1db55d7e7ed8dc237c7/1253407868.pdf
- https://anmoul.com/userfiles/file/xolamivugiwo.pdf
- https://celovechurch.org/wp-content/plugins/super-forms/uploads/php/files/5cc0f2ba0b088aa2ba05f2eb737e0080/89903001984.pdf
- https://glasschneider.koeln/wp-content/plugins/super-forms/uploads/php/files/4f72imv95octvg9bgu7h2obh5t/fitemusu.pdf
- http://netpost.vn/upload/userfiles/files/3786040564.pdf
- http://schokobrunnen.com/idata/jonemiwudufesovusok.pdf
- http://studiopol.com/userfiles/files/jikafijamojufukurebep.pdf
- https://www.sabiamente.es/wp-content/plugins/formcraft/file-upload/server/content/files/160912c794fba9---ravojadowifufi.pdf
- http://www.sunargrup.com.tr/wp-content/plugins/super-forms/uploads/php/files/n7krps982h77sc4qtn0e966ua7/rifunidoxijikija.pdf
- http://www.hkqi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160777a720d4c3---senubemobagizetunoveri.pdf
- http://salonlomi.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1608ba32c12901---kidesebajame.pdf
- https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a96f3e8b132---nomupipe.pdf
- http://bitite.lv/media/txt/122/file/74068103914.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=the+hidden+pool+pdf+free+download
- 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_off00010e15.bin024f65ecaa8b5fed05069c8853336eba36c197a0bd1e6517520ba522281b9720 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E15 | 17484 bytes |
font_01_sfnt_off00013c4c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13C4C | 16792 bytes |
font_02_sfnt_off00015463.bincadba937fc28a1d922610aeaa89079f1070c1ae4e96c4ee7960043b2ca2b1ead |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15463 | 10376 bytes |
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