MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by multiple heuristics, including a critical ClamAV detection for 'Pdf.Phishing.Trojan'. The presence of numerous URLs, many pointing to compromised CMS uploads or disposable hosting, indicates a link farm designed to redirect users to malicious content. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9848
Heuristics 7
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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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LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMANDExtracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
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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://extracam.es/app/webroot/arxius/file/57043050591.pdf
- https://advancedbusiness.co/wp-content/plugins/super-forms/uploads/php/files/3452ff37945f58ee6c7c9e750cee2d86/gaxewojurodasosuvovinevo.pdf
- https://ankaratemizlikcim.com/depo/sayfaresim/file/82598386635.pdf
- http://falconartistmanagement.com/ckfinder/userfiles/files/sukezuxezigobatet.pdf
- http://www.gunyagder.org.tr/wp-content/plugins/super-forms/uploads/php/files/egk3f943h8kiuud1f5sbg4pr71/11990725929.pdf
- http://a2itsolutions.com/chop/multimedia/userfiles/file/namufupijat.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bf3d7249ed6---92007632153.pdf
- https://www.drserapkagan.com/wp-content/plugins/super-forms/uploads/php/files/l22v6cf9ab5uqjodf75ge623v9/21466607471.pdf
- https://sellos-mecanicos.com/wp-content/plugins/super-forms/uploads/php/files/732a5dbde64d647a7c50ac97af84eea4/32483159496.pdf
- http://xn--zb0bw3kv4s8mn.com/upload/fckeditor/file/tiguzarimepotazuv.pdf
- https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/625966a28f6a90f33893812f513db5b7/litolovukineturo.pdf
- https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/39779135bfc48218c39e48ea8ead06d0/43677300865.pdf
- http://massageindex.nl/images/uploads/lobisobunu.pdf
- http://www.festivalmarrakech.info/wp-content/plugins/formcraft/file-upload/server/content/files/16073ed13b83c2---jezopudekuf.pdf
- http://global-poseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075cf0be252b---kusol.pdf
- https://alismobile.co.uk/wp-content/plugins/super-forms/uploads/php/files/26ad72e874e1ed80b0aa1af57b393499/pekekanekipametakozezuxil.pdf
- http://esrafisek.com/images_upload/files/44496765817.pdf
- https://www.rockandroll.blog.br/wp-content/plugins/super-forms/uploads/php/files/6k7sjpd7b7tl40rub0h4ngocmd/56405122035.pdf
- https://guapa2.com/admin/fck/file/67973191284.pdf
- http://www.aluvascientific.com/UserFiles/file/43026481926.pdf
- http://aquatherm-graz.at/files/1683937823.pdf
- https://www.ediliziaindustriale.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f4c654c5f0---dagojuxi.pdf
- http://ventilatoryzlin.cz/images/file/31735412821.pdf
- https://webhostmurah.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f43e2b98c0---72374418155.pdf
- http://playfromhome.org/clients/4/49/49939bf6a151252ba1adfe53d1befa29/File/16477160931.pdf
- http://singer-island-condos.com/userfiles/files/morapa.pdf
- https://guapa2.com/admin/fck/file/679731
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=how+to+create+an+invite+on+outlook
- 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_off0000efd2.bin7d93102321c5ba5bb083682f328cb70f7925ed57678535aeeeb38bbdc0baf36c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFD2 | 17812 bytes |
font_01_sfnt_off00011de3.bin4682e573df0cd94e6d0e2e20df183282558aa3fe377d29b21512806627875ecc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11DE3 | 10392 bytes |
font_02_sfnt_off00013580.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13580 | 16792 bytes |
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