MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was identified as malicious by ML classifiers and ClamAV, detecting it as a phishing trojan. It functions as a link farm, containing numerous URLs pointing to compromised WordPress sites and disposable domains, likely intended to lure users to malicious content. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports this, indicating a non-clustered link farm on disposable hosting.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
Heuristics 6
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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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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://infrive.ru/uplcv?utm_term=hotel+california+piano+pdf PDF link annotation
- http://mirembeestate.co.ug/wp-content/plugins/formcraft/file-upload/server/content/files/161391ba0562a1---vogowu.pdfIn PDF document text
- http://abwingsmd.com/uploads/files/46315448778.pdfIn PDF document text
- http://www.phonefixcomo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613417e26f295---mofasexazaburowezama.pdfIn PDF document text
- http://dabaizhongxue.com/upload_fck/file/2021-9-12/20210912163816148697.pdfIn PDF document text
- http://portalinmobiliario24.com/uploades/fckeditorfile/46495630325.pdfIn PDF document text
- https://bilalyapidekorasyon.com/userfiles/file/91183428018.pdfIn PDF document text
- https://doctmcooper.com/userfiles/files/15810879982.pdfIn PDF document text
- https://www.gs-gleichmann.de/wp-content/plugins/formcraft/file-upload/server/content/files/16133a9c9379d5---78554853325.pdfIn PDF document text
- http://www.guus.edu.mn/ckfinder/userfiles/files/8491853722.pdfIn PDF document text
- https://alansglobalservices.com/ckfinder/userfiles/files/77447281200.pdfIn PDF document text
- https://mavachhaiphong.com/upload/files/37161222806.pdfIn PDF document text
- https://diarch.in/WYSIWYGImage/file/rawapodo.pdfIn PDF document text
- https://mp2020.csysadmin.com/ckfinder/userfiles/files/dipuni.pdfIn PDF document text
- http://jedzenie365.pl/ckfinder/userfiles/files/gusiwuxasov.pdfIn PDF document text
- http://kyochonbuenapark.iorderfoods.com/uploads/files/vefupivavaviposabu.pdfIn PDF document text
- http://naturpix.ch/cmsimages/file/7062262344.pdfIn PDF document text
- http://samtekelektrik.com/files/96466119355.pdfIn PDF document text
- http://serendipityorlando.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613211ff70260---46368917550.pdfIn PDF document text
- https://linardi.ru/files/file/kuwobixaxafo.pdfIn PDF document text
- https://hoalavender.net/upload/files/vazabiribifilonororog.pdfIn PDF document text
- http://kioskcondoweb.wpengine.com/wp-content/plugins/formcraft/file-upload/server/content/files/161370b90efb54---26664585255.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000bf9d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBF9D | 15856 bytes |
SHA-256: 47aea81bb3001394552af5fcfae7d27dfb05d3df1d6bc7de862e139601d561fc |
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font_01_sfnt_off0000e829.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE829 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010040.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10040 | 10436 bytes |
SHA-256: af8283f15c8ab1f7715f5d6934a4da47d73584a99786dbcea314107c6dbf49c4 |
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