MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 User Execution: Malicious Link
The PDF file was identified as malicious by ML classifiers and ClamAV, specifically flagged as a phishing trojan. Heuristics indicate it functions as a link farm, with many embedded URLs pointing to compromised WordPress sites and disposable hosting. These links likely serve to redirect users to malicious content or phishing pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://skuplaptop.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1614466c634764---48530057167.pdf In PDF document text
- http://szyqjsj.com/UploadFile/file/20210927060344451.pdfIn PDF document text
- https://www.fifatravels.com/wp-content/plugins/formcraft/file-upload/server/content/files/16142bb2241aac---zazokabakinibesovefaja.pdfIn PDF document text
- https://ilonew.tasksplan.com/userfiles/files/rabavufupikowubaloja.pdfIn PDF document text
- http://nathulaldasptti.com/ckeditor/ckfinder/userfiles/files/58217509403.pdfIn PDF document text
- http://nfrostov.ru/upload/files/nesulolisekije.pdfIn PDF document text
- http://alvitraders.com/files/lagaraxakizepebosetexotaz.pdfIn PDF document text
- https://www.tunnel.de/files/uploaded/file/joloxuk.pdfIn PDF document text
- https://detectagsafety.com/ckfinder/userfiles/files/womazubadubuterasesonerox.pdfIn PDF document text
- http://homelife-superstars.com/image/files/merasapebiwutufeli.pdfIn PDF document text
- http://ginkgokatsudb.com/uploads/files/luneloziwike.pdfIn PDF document text
- http://monthclean.com/uploads/files/202109180658537523.pdfIn PDF document text
- http://mcap.cz/images/uploadedimages/file/81011426323.pdfIn PDF document text
- http://www.mueblesgamez.com/ckfinder/userfiles/files/6845439980.pdfIn PDF document text
- http://ateliergermain.club/sites/default/files/file/38910498283.pdfIn PDF document text
- https://cartolmania.it/file/80200765035.pdfIn PDF document text
- http://surestegc.org/documentos/file/79897342564.pdfIn PDF document text
- https://motecx.com/images/file/buwufejewinegis.pdfIn PDF document text
- https://rachelrom.com/rescontent/file/60455341297.pdfIn PDF document text
- https://bostaninsaat.com/image/files/32063820137.pdfIn PDF document text
- https://el-tall.pl/pics/file/56354236662.pdfIn PDF document text
- http://zhjpharm.com/upload/files/96698174774.pdfIn PDF document text
- https://www.bountyvacation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ba93ce98dc---11153558058.pdfIn PDF document text
- http://erainbowrealty.com/userfiles/file/nasoxu.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=rewards+and+recognitionPDF 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_off0000b2d6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB2D6 | 10628 bytes |
SHA-256: 7b9bc18ec8a7dba467adfeac4ebe1882ba128f81f38376ad5c66c8d4f02a8dbc |
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font_01_sfnt_off0000cb22.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB22 | 16012 bytes |
SHA-256: ceb6c46999f3599164ac4822ff42c304b76b491bb586334fe2fe723db07b2d78 |
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font_02_sfnt_off0000f3c4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3C4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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