MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which point to compromised CMS uploads or disposable hosting, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://catamma.ru/uplcv?utm_term=after+we+collided+movie+free+online PDF link annotation
- http://vipnjl.com/userfiles/files/pazoxatoguluk.pdfIn PDF document text
- http://www.medicalalliedtraining.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134cd1a0c2dc---xesefokiparinivizazoz.pdfIn PDF document text
- http://igabana.com/upfolder/e/files/20210917043400.pdfIn PDF document text
- http://haohanlegend.com/Uploadfiles/files/75890692310.pdfIn PDF document text
- http://emannsltd.com/userfiles/kulusali.pdfIn PDF document text
- http://xaydungphongphu.com/uploads/files/kageri.pdfIn PDF document text
- http://happyorderfood.com/uploads/files/1615025760.pdfIn PDF document text
- http://sosnovgeo.ru/userfiles/file/vedenugizizufevuf.pdfIn PDF document text
- http://ophirtonhotel.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1613961e442251---tuvapatavakigod.pdfIn PDF document text
- http://graphicon.hu/wp-content/plugins/formcraft/file-upload/server/content/files/1612f3a2eec927---xowexanexivawomek.pdfIn PDF document text
- http://girlstown.org/files/js/ckfinder/userfiles/files/51420045003.pdfIn PDF document text
- https://xn--i1aam8cb.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/b6f81eefacc68d0f92f164c054043d1e/takizetozexolitivozigap.pdfIn PDF document text
- https://behbehaniprojects.com/uploads/files/fibifofixotizopupakugop.pdfIn PDF document text
- http://dotykbylinky.sk/_subory/subory/71291126854.pdfIn PDF document text
- http://finproekt-msk.ru/userfiles/file/54388638899.pdfIn PDF document text
- http://www.azurwelcomeservices.com/userfiles/file/xalapofa.pdfIn PDF document text
- http://yaan121.com/uploads/files/202109171058486639.pdfIn PDF document text
- https://mimzyonline.com/userfiles/file/bukolesomerugoj.pdfIn PDF document text
- http://delfosventures.net/userfiles/files/subizexukiwokekekilim.pdfIn PDF document text
- http://lapempi.nl/ckfinder/userfiles/files/xelakazuzofumopix.pdfIn PDF document text
- https://hgb.se/filer/file/1857403933.pdfIn PDF document text
- https://mebelihome.ru/upload_picture/digimimoto.pdfIn PDF document text
- http://scuderia512.com/js/upload/files/wujuludibi.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_off0000ecb8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECB8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000104cf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104CF | 10440 bytes |
SHA-256: facc8c519df3018e78db05fc3e5f78f93257437538ae5b46909248f846a03dd5 |
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font_02_sfnt_off00011c81.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C81 | 19032 bytes |
SHA-256: fa05e827f3aacb2fc544f32121a1015163811b8b28d00f8d692208f61905f8ae |
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