MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The file contains numerous links, many hosted on compromised WordPress sites, suggesting a phishing or malware distribution campaign. The presence of external URIs and link farms points towards an attempt to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9924
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://crysiq.ru/uplcv?utm_term=def+of+intellect PDF link annotation
- https://www.generalutilities.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b818a548c2---6760332950.pdfIn PDF document text
- http://escolacaritas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3f2025a87c---71972215223.pdfIn PDF document text
- http://audiomaster.se/wp-content/plugins/formcraft/file-upload/server/content/files/1607debfe69492---51649482995.pdfIn PDF document text
- https://harrisitalia.it/uploads/file/bumimoseniterut.pdfIn PDF document text
- https://vgi-vn.vn/app/webroot/img/files/lazagimer.pdfIn PDF document text
- http://bjoybrands.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608485e2888a5---12331399903.pdfIn PDF document text
- https://regalcabs.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160740257b0bee---19433930748.pdfIn PDF document text
- https://www.sacproblemleri.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606e2895ddc85---xokik.pdfIn PDF document text
- https://puertoestereo.com/wp-content/plugins/super-forms/uploads/php/files/on5t6c5tqhc2hu426q4b79jsal/34764922946.pdfIn PDF document text
- http://www.rebranded.tv/wp-content/plugins/formcraft/file-upload/server/content/files/160ca90b5eb2c5---punirij.pdfIn PDF document text
- https://www.azembay.com/wp-content/plugins/super-forms/uploads/php/files/cub89viocvjch035dndbihddso/garijiwimiramulagifu.pdfIn PDF document text
- http://www.irrv.org/uploads/files/19526936157.pdfIn PDF document text
- https://nailseasupportgroup.com/wp-content/plugins/super-forms/uploads/php/files/6bee85e3c379548e8d1b6ff1d43e2dfe/7627668957.pdfIn PDF document text
- http://www.consorcio.edu.pe/wp-content/plugins/formcraft/file-upload/server/content/files/16090d14de25f5---92815610983.pdfIn PDF document text
- https://selectwifi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098b288e51ff---32910294176.pdfIn PDF document text
- https://christembassybarking.org/wp-content/plugins/super-forms/uploads/php/files/07f2c630ff8bbb1bd66349dce2507743/49308192280.pdfIn PDF document text
- https://www.varisistanbul.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d37c7ac42b---27825320248.pdfIn PDF document text
- https://rrvchefs.com/wp-content/plugins/super-forms/uploads/php/files/fd83d4cc7d9f989664af8399629da5ee/wored.pdfIn PDF document text
- https://medicinasolidale.org/wp-content/plugins/super-forms/uploads/php/files/2122c17bf8174ba50577802d098ea5fa/rudun.pdfIn PDF document text
- http://euro520.net/userfiles/file/16218902561792843418.pdfIn PDF document text
- http://zpb-maciejewski.pl/upload/fck/file/pujewifazisojasalinajiren.pdfIn PDF document text
- http://aep-tc.com/cache/fck_files/file/gituxazokagixokafo.pdfIn PDF document text
- http://www.thebetterinsurance.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b4122b361f3---muxisunimoz.pdfIn PDF document text
- https://maydongy.com/wp-content/plugins/super-forms/uploads/php/files/sh2u0ld1euboovkolvgo5fe4mg/76526264712.pdfIn PDF document text
- http://uat.ideadunes.com/projects/ideadunes-portfolio-site/wp-content/plugins/formcraft/file-upload/server/content/files/160bd1755a741f---48036594811.pdfIn PDF document text
- 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ee8c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE8C | 16060 bytes |
SHA-256: 8bfc5e2f6383778b4716e60c732a7e5228106b692ca52c1f6b3c0b2892049825 |
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font_01_sfnt_off0001039f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1039F | 9900 bytes |
SHA-256: f8d1b94becc116c95c1ab289ea76a5de395d7d450b18eb6c3fd8fef6f00654de |
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font_02_sfnt_off0001198d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1198D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_03_sfnt_off0001319f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1319F | 21580 bytes |
SHA-256: c92013ee2b98849e7d12f98e9d6ad69f3af70b176e91ab6d45b656f7385495d4 |
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