MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It functions as a link farm, containing numerous URLs that point to potentially compromised WordPress sites. These links likely serve to redirect users to further malicious content or phishing pages, a common tactic for distributing malware or stealing credentials.
Machine Learning
- Nyx PDF Classifier malicious score 0.9994
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 http://smartcookieacademy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607cf6bda2886---resezotaripobimag.pdf In PDF document text
- http://gruppocinofilomarsalese.com/userfiles/files/89488855538.pdfIn PDF document text
- http://pvsystexperts.com/wp-content/plugins/super-forms/uploads/php/files/v220tsn44v0nnbg4dof9ck1jl5/78248158498.pdfIn PDF document text
- http://aaaexpressac.com/userfiles/file/vulevametexetolosokukeduj.pdfIn PDF document text
- https://e-tta.com/app/webroot/userfiles/files/91462063444.pdfIn PDF document text
- https://paloaltospeakerseries.com/wp-content/plugins/super-forms/uploads/php/files/5f1559e293b1d200005baa2f0488f82a/19723982605.pdfIn PDF document text
- https://nceptionsolutions.com/wp-content/plugins/super-forms/uploads/php/files/624e468d17bff5dd9050b2f852fc5c95/13671755559.pdfIn PDF document text
- http://mictrogiang.com/userfiles/files/dosupivejaninonokatugise.pdfIn PDF document text
- http://triumphtoday.org/wp-content/plugins/formcraft/file-upload/server/content/files/160740d752cb44---xifokofatukamuto.pdfIn PDF document text
- https://husvagnsexpo.se/wp-content/plugins/formcraft/file-upload/server/content/files/1607d196caefa7---bidudepagapit.pdfIn PDF document text
- http://stihoplet.by/upload/editor/files/jibifoguzozeduwates.pdfIn PDF document text
- http://counterreaction.net/wp-content/plugins/formcraft/file-upload/server/content/files/1608f5e28c6b09---sulexilerapeze.pdfIn PDF document text
- http://www.rolstoellift.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d7f1bfd0b42---12484874833.pdfIn PDF document text
- https://goldgreiner.de/userfiles/file/92356262326.pdfIn PDF document text
- https://www.ideaklinik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16113bb06e939d---9466494039.pdfIn PDF document text
- https://joyfool.art/wp-content/plugins/super-forms/uploads/php/files/091840c65bfa3bd7a0968c81970657a5/nevipavikumipivegomaxe.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=vals+venezolano+no+1+pdfPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b32f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB32F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cb46.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB46 | 10348 bytes |
SHA-256: a65335b1d363553d1476444ade51b7701c46051a6e85749dda8db99c48b9e9eb |
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font_02_sfnt_off0000e2df.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE2DF | 18516 bytes |
SHA-256: 1b76ea35ae21174f850debc8c9829e7d0330c0e0e3c29855157be9d5ec7d66cc |
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