MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many of which point to PDF files hosted on various domains, suggesting a link farm or SEO poisoning tactic. One URL points to a compromised WordPress upload directory, further indicating malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9959
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 http://botosani.ro/img/uploads/file/nozuk.pdf In PDF document text
- http://mayingiabao.com/upload/files/14743525958.pdfIn PDF document text
- http://metzpaintings.com/wp-content/plugins/formcraft/file-upload/server/content/files/16149606f98d7b---32550309255.pdfIn PDF document text
- http://krevue.cz/UserFiles/File/wibopanorenokukax.pdfIn PDF document text
- https://cuisinescartier.ca/upload/editor/file/fazuluw.pdfIn PDF document text
- http://zhizhencn.com/filespath/files/20210919113523.pdfIn PDF document text
- https://goldenlinejsc.com/userfiles/file/zipovedetarulutefi.pdfIn PDF document text
- https://restaurant-kamkok.fr/img/Data/file/petizasoginibanaz.pdfIn PDF document text
- https://izharfoster.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614852baa8c8f---veniferamevosi.pdfIn PDF document text
- https://burstallconrad.com/editor_files/file/63131401116.pdfIn PDF document text
- http://capitolmetrophysicaltherapy.com/userfiles/file/mefuvufejegarinof.pdfIn PDF document text
- https://francemonde.news/UserFiles/file/78898800342.pdfIn PDF document text
- http://hongdacable.com/d/files/72581114903.pdfIn PDF document text
- http://ledlight-lamp.com/mingyi/images/userfiles/file/61719855206.pdfIn PDF document text
- http://alpinist.store/sribati/editor/uploadfiles/jaxokakegeroximisu.pdfIn PDF document text
- http://imaginove.eu/data/Files/88186352010.pdfIn PDF document text
- http://gsprojekt.eu/userfiles/files/59857791255.pdfIn PDF document text
- http://baschin-heizung.de/meineBilderAlbertGrundschule/file/kusasipebezano.pdfIn PDF document text
- http://glassick.com/userfiles/file/zetelibufomidudabenuj.pdfIn PDF document text
- http://www.hypnotiseur.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614bef95d5024---ponudu.pdfIn PDF document text
- https://lakeshoresmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/69hhfqh03j9kp6i111dpsq05h6/16356629769.pdfIn PDF document text
- http://thaisomboonautopart.com/userfiles/files/dofirigogozupidelexi.pdfIn PDF document text
- https://optimuselearningschool.com/learning/site/images/uploadfiles/45796152112.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=vr46+wallpaper+hd+androidPDF 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_off0000add5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xADD5 | 15028 bytes |
SHA-256: 2ea9cf59895c94c07b01c7d5233348cc077a2fcc7a960821391b31bb1265d312 |
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font_01_sfnt_off0000d3bc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD3BC | 10524 bytes |
SHA-256: 92b2ad1df749c8b4a53c976a750301746929af179b111aed1bca8a33637c37b8 |
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font_02_sfnt_off0000ebac.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBAC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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