MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, including links to compromised CMS uploads and disposable hosting, indicating a phishing or malware distribution attempt. The ClamAV detection and ML classifier strongly suggest malicious intent, likely to lure users to malicious sites via the link farm.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
Heuristics 7
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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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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://crewmak.ru/uplcv?utm_term=speedball+game+android PDF link annotation
- https://alexandrapanayotou.com/web/images/static/file/79564719087.pdfIn PDF document text
- http://jiin-torng.com/uploadfiles/20210909081442.pdfIn PDF document text
- http://sd-admin.fazendapenaazul.com/ckeditor/uploads/files/navekevilisebonepafo.pdfIn PDF document text
- http://swotaweb.com/img/upload/file/xugejosapokudovetovelozow.pdfIn PDF document text
- https://ehblending.com/wp-content/plugins/super-forms/uploads/php/files/99a3659903d8ab2ba57f5bcd0ef67364/bebaxufo.pdfIn PDF document text
- https://dodatkireklamowe.pl/web/uploads/files/mifupesixi.pdfIn PDF document text
- http://tbvshungviet.com/upload/files/wotazabulotijuwatu.pdfIn PDF document text
- http://cgt-fo-csc.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16130544b32709---5309161228.pdfIn PDF document text
- https://granitabrasive.com/editor_up/2030635737.pdfIn PDF document text
- http://librojuridico.com/aym_images/files/9288297021.pdfIn PDF document text
- https://gmonlinestore.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613780f654bd3---16432739258.pdfIn PDF document text
- https://drticket.ir/basefile/drtiketcom/files/43978072651.pdfIn PDF document text
- http://danieldesignpro.com/userfiles/tokuwamutixe.pdfIn PDF document text
- http://ledseoul.com/userData/board/file/98223945313.pdfIn PDF document text
- http://dataprint.ie/uploads/file/putetipixarabuxov.pdfIn PDF document text
- http://slowjamsundays.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132c67d6f320---59070800582.pdfIn PDF document text
- http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/c84610152c55308f998f0f1a3a3652f6/bulokusasofajujukekinero.pdfIn PDF document text
- http://csc0851.com/userfiles/file/20210915142152_wfz6uo.pdfIn PDF document text
- http://radio-salsa.com/php/rs/filesupload/file/55423356337.pdfIn PDF document text
- https://hotararicedo.ro/files/files/wasutimodekezedotani.pdfIn PDF document text
- http://madang.eu/f_pds/fck/file/reradabanavig.pdfIn PDF document text
- https://www.agro-zavod.ru/app/webroot/js/ckfinder/userfiles/files/76967351930.pdfIn PDF document text
- https://torrentclub.vip/wp-content/plugins/super-forms/uploads/php/files/39p5vahug7pgti068r6ti9cft6/tufufun.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_off0000ce43.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE43 | 17780 bytes |
SHA-256: fa59992cee9a71fdc9fbd74bd481ec15ec0de98e693121aa33e488188eef36bb |
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font_01_sfnt_off0000fc25.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC25 | 10684 bytes |
SHA-256: eb5aa88f9d58834286ce0eabc8ea7e670f9a2b111e6db09f00d8bd95af543a09 |
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font_02_sfnt_off00011417.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11417 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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