MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF document containing embedded JavaScript, which is often used to download and execute additional malicious payloads. The presence of multiple external links, some pointing to compromised WordPress uploads, further indicates a phishing or malware distribution attempt. ClamAV detection as 'Pdf.Phishing.Trojan' strongly supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9934
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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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://mercedesmazo.es/wp-content/plugins/formcraft/file-upload/server/content/files/160e904780a7e8---88635823997.pdf
- http://www.infranetltd.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080ab186ce6c---lejavat.pdf
- https://anthonygillant.com/userfiles/file/75966566086.pdf
- https://sk-developers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606e4648eab0f---39880125608.pdf
- http://kapsalonvogue.nl/files/file/vugoronubipoxezunulegof.pdf
- https://agrachoff.ru/wp-content/plugins/super-forms/uploads/php/files/6eff8f36a8ff3a29da488021fcd46504/20061032955.pdf
- http://www.finanzanlagen-honorarberatung.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608a780b59b08---dosopagutop.pdf
- https://www.couleurs-et-jardin.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160b2912cb89f6---12085188524.pdf
- https://xylemleads.com/userfiles/file/zamikig.pdf
- http://www.rolstoellift.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b292088b0ac---19293237694.pdf
- https://www.eoluk.com/wp-content/plugins/super-forms/uploads/php/files/056f74nns3j4g1j4n8btpbeahr/49824109836.pdf
- http://www.saraviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160be0db3b54e6---31924956898.pdf
- http://www.movingintofreedom.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c53f08ecc14---rogojefarudixuretiwineje.pdf
- http://olynskiconstruction.com/pics/file/29249803226.pdf
- https://alphacleanwashing.com/wp-content/plugins/super-forms/uploads/php/files/1a767d5f4276a58bb7ce25c639c54044/73421743142.pdf
- http://banghetretunhien.com/media/ftp/file/85917502092.pdf
- https://him-home.ru/wp-content/plugins/super-forms/uploads/php/files/8129002444ede47451d9215d0b359dac/vagivobotagugisuzodaxetir.pdf
- https://ahi.com.ua/wp-content/plugins/super-forms/uploads/php/files/77fa0b92ef6c88926da0e551a76f2599/28672861580.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16127513482df4---71655740851.pdf
- http://alburigiott.it/userfiles/files/sifamipiwek.pdf
- http://olympicburger1988.com/uploads/files/35825936352.pdf
- https://cgeminfos.ma/upload/file/96769144002.pdf
- https://www.theoakshealthcare.com/my_content/js/ckfinder/userfiles/files/49161964846.pdf
- https://www.eoluk.com/wp-content/plugins/super-forms/uploads/php/files/t1936q6abovllqqf7k9p1crud9/rowesuluvezonokoju.pdf
- https://posaonakosovu.com/ckfinder/userfiles/files/libukividuxuborema.pdf
- https://booknowrentalimo.ch/userfiles/files/zibomexifusaw.pdf
- https://oiweld.com/wp-content/plugins/super-forms/uploads/php/files/e8e8b996f3fc8384a6fd4fb676315239/dutovefo.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=resume+format+for+freshers+in+aviation+industry+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_off0000d8dc.bin89792e5565c4989841a67749ab53220b4c2fadd3f4d557b426f7841999831aa3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD8DC | 20048 bytes |
font_01_sfnt_off00010bf5.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10BF5 | 16792 bytes |
font_02_sfnt_off0001240c.bin14bbf8bc2093be06d29e716748924df76691d8d366df3134d006fb6625b7a913 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1240C | 11040 bytes |
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