MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains an embedded JavaScript stream and numerous external URIs, many of which point to compromised CMS upload storage 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 0.9981
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://crysiq.ru/uplcv?utm_term=photo+to+text+apk PDF link annotation
- http://africanhairbraidingsalon.com/userfiles/file/66957679343.pdfIn PDF document text
- https://goodline.by/userfiles/file/rerotarowivavomamaf.pdfIn PDF document text
- https://leganordavigliana.it/uploads/file/46131681353.pdfIn PDF document text
- http://alexdisinfestazioni.com/userfiles/files/95101547663.pdfIn PDF document text
- http://recepti.plovdivweek.com/js/ckfinder/userfiles/files/ginifaxitusur.pdfIn PDF document text
- https://kocarbonag.com/luutru/files/ruvitalimazukew.pdfIn PDF document text
- https://hfbee.tw/upload/ckfinder_temp/files/20210905073430.pdfIn PDF document text
- https://kantankacreative.com/wp-content/plugins/super-forms/uploads/php/files/d9d92f1e864f2e8ff000e5446eeacf60/68003091123.pdfIn PDF document text
- http://tvsatkrosno.pl/userfiles/file/10113139413.pdfIn PDF document text
- http://plusbateria.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613fd15b7e09b---zegudukatobusuk.pdfIn PDF document text
- https://christembassybarking.org/wp-content/plugins/super-forms/uploads/php/files/8d602b81f54a6cc1b4e16517be8a6b72/6674282719.pdfIn PDF document text
- http://webinaris.biz/ckfinder/userfiles/publics/files/51362543244.pdfIn PDF document text
- http://autolavaggiocraparotta.it/userfiles/files/35776836306.pdfIn PDF document text
- http://cocoal.com/uploads/file/87894174715.pdfIn PDF document text
- https://fonixkoncert.hu/upload/file/romamiletidale.pdfIn PDF document text
- http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/640a7c472d7c597af30ea1720cc9d929/21060024297.pdfIn PDF document text
- http://www.hkqi.com/wp-content/plugins/formcraft/file-upload/server/content/files/161424a4126ceb---11904224480.pdfIn PDF document text
- http://akgwealthplanner.com/crm/files/69880046883.pdfIn PDF document text
- http://defhjdr.friend-match.com/upload/files/32765117495.pdfIn PDF document text
- http://tachikawa-derma.biz/ckfinder/userfiles/files/24031215768.pdfIn PDF document text
- http://gonganmi.com/userfiles/file/zofikeniwel.pdfIn PDF document text
- https://dakotaterritorydevelopment.com/ckfinder/userfiles/files/16110200234.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_off0000d576.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD576 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ed88.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED88 | 17036 bytes |
SHA-256: 9ccd90b08cf9ed3b4db3f1ff0ff64670b5866fa4bc01231d81cb59a976d617cc |
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font_02_sfnt_off00011a1c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A1C | 10032 bytes |
SHA-256: 05f52076223a2e5a8c41de52f045e250e66051b4babf888cc7c21e52d3549cb2 |
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