MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, directing users to multiple external URLs, some hosted on compromised CMS platforms. The embedded URLs and the nature of the heuristics strongly suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://oniceh.ru/uplcv?utm_term=rock+radio+apk PDF link annotation
- https://unicon-msk.ru/data/files/43170408278.pdfIn PDF document text
- https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/bbdf344ebd1f0570b75e447720972bf2/suruzitabudog.pdfIn PDF document text
- https://cherrychile.cl/cherry/uploads/contenido/files/pimagekibezexajekukegitu.pdfIn PDF document text
- https://samsungdvmklima.com/upload/ckfinder/files/kefejumetenezagimuse.pdfIn PDF document text
- https://pisangmanis.com/contents/files/vodaxol.pdfIn PDF document text
- http://mopron.ru/upload/files/10929790797.pdfIn PDF document text
- http://www.yt333.com/userfiles/20210909/file/1631159417.pdfIn PDF document text
- https://www.studiorosaliabusco.it/ckfinder/userfiles/files/21724600453.pdfIn PDF document text
- https://mimpishio2bet.net/contents/files/11092867712.pdfIn PDF document text
- https://ip-pharma.net/data/files/dosozate.pdfIn PDF document text
- http://logiccpacma.com/ckfinder/userfiles/files/benojomidoliluzovozesu.pdfIn PDF document text
- http://eggtesting.com/admin/uploads/file/tuxozikimu.pdfIn PDF document text
- https://butchercurnow.com/img/shop/contents/83031818223.pdfIn PDF document text
- http://hightopeducation.com/cms_uploaded/file/5833201932.pdfIn PDF document text
- http://loaamtran.com/files/usersfiles/files/87847923283.pdfIn PDF document text
- http://grgct.com/ckfinder/userfiles/files/kutas.pdfIn PDF document text
- http://versobrokers.eu/userfiles/files/bofoket.pdfIn PDF document text
- http://bellezaeimagen.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/161376e423c89d---xivometosadugenosibet.pdfIn PDF document text
- https://babetravelling.com/ckfinder/userfiles2/files/99341075361.pdfIn PDF document text
- http://getsolarnj.com/userfiles/file/16188838181.pdfIn PDF document text
- http://cameradungphat.com/uploads/files/90777572585.pdfIn PDF document text
- https://wotfiles.com/ckfinder/userfiles/files/33860458025.pdfIn PDF document text
- http://gartenmessebau.de/uploads/files/74887901420.pdfIn PDF document text
- https://www.thecandystoresudbury.com/wp-content/plugins/super-forms/uploads/php/files/fuo3rd97m95o7ok7p4j6o3t4fg/midexeneka.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_off0001990a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1990A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001b11c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1B11C | 23080 bytes |
SHA-256: 27607118ab869ab08dc522b17c35db837e6acda607e13bdca32e8bf74347ec33 |
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font_02_sfnt_off0001ed0a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1ED0A | 10096 bytes |
SHA-256: 6e28c553ed82c5cf6d3185bf7c4708fe8e974ab4df08f17926caa70523d974ba |
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