MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier indicated a high probability of maliciousness. The file contains numerous links pointing to compromised WordPress upload directories and other disposable hosting, suggesting it functions as a link farm to distribute malicious content or phish users. The presence of multiple PDF_SEO_DISPOSABLE_LINK_FARM heuristics further supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9983
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://suacuacuontoanphat.com/upload/files/47871604011.pdf In PDF document text
- https://sharzh-ufa.ru/wp-content/plugins/super-forms/uploads/php/files/fec9a17011d8a559ce168c7629f2092e/20536510045.pdfIn PDF document text
- https://angkagenap.com/contents//files/tolofigu.pdfIn PDF document text
- https://dezsredstvompx.ru/wp-content/plugins/super-forms/uploads/php/files/7cda1483b159f48d51887c5dbf612f04/85159993819.pdfIn PDF document text
- http://wksystems.net/HotelEstimator/userfiles/file/lunogatitegevorape.pdfIn PDF document text
- http://vakantie-noordlimburg.nl/ckfinder/userfiles/files/14639880795.pdfIn PDF document text
- http://sivam.pl/files/file/61824620868.pdfIn PDF document text
- https://braviengenharia.com.br/wp-content/plugins/super-forms/uploads/php/files/8ur9s6c31d5ladgdmeh4dtk2i4/87652716856.pdfIn PDF document text
- https://askopenko.com/wp-content/plugins/super-forms/uploads/php/files/0ce2b4d1c4eb2cc1c280f5f1d0ce8be4/wimejazilog.pdfIn PDF document text
- https://okazdedziecko.pl/_files/Media/file/18769963988.pdfIn PDF document text
- http://www.libroparlatolions.it/backoffice/ckfinder/userfiles/files/56202538109.pdfIn PDF document text
- https://stonebuild.bg/f/uploads/files/sesadarajolepo.pdfIn PDF document text
- http://coolscape.info/images/files/99473532195.pdfIn PDF document text
- http://tantusmarina.com/UserFiles/file/4974928352.pdfIn PDF document text
- http://rheumatology.institute/upload/content/file/wufalexovojuw.pdfIn PDF document text
- http://eau-msu.ru/ckfinder/userfiles/files/39946295521.pdfIn PDF document text
- http://vasilii-orlov.fun/wp-content/plugins/super-forms/uploads/php/files/cd8380ca65623a5a36ea9f39ad9e5d64/40330166746.pdfIn PDF document text
- https://www.lipfish.no/wp-content/plugins/formcraft/file-upload/server/content/files/160a18939ad297---35686632716.pdfIn PDF document text
- http://aarogyamedico.com/userfiles/file/xizutikirenutega.pdfIn PDF document text
- http://aleeblog.com/wp-content/plugins/super-forms/uploads/php/files/48sv1dsuovrkpc92e708aljnr0/veliwadorava.pdfIn PDF document text
- http://www.cargeacrew.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160915fd483beb---vilavixenilelani.pdfIn PDF document text
- https://sailstudy.in/ckfinder/userfiles/files/82774342962.pdfIn PDF document text
- http://asalsold.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607497450ea4f---24421043681.pdfIn PDF document text
- https://makeswebsites.com/clients/c/c8/c8c605999f3d8352d7bb792cf3fdb25b/File/fatawebamijoxoxigomijapux.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=endemic+meaning+in+englishPDF 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_off0000ddc1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDC1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f5d3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5D3 | 20380 bytes |
SHA-256: 03cd8031adc5ae7442ad520da2c531aa11a4ef5db29696ea66542541793e8efb |
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font_02_sfnt_off00012b08.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B08 | 10484 bytes |
SHA-256: c70da5a31d7c22965cdb71a0ac40bef0f3c0bb5b4794958c529fd1665474b42a |
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