MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is a common technique for executing malicious code. The numerous external links, many pointing to compromised WordPress uploads or disposable hosting, suggest a phishing or malware distribution campaign. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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 http://mwflower.com/upimagesfile///mofutitarux.pdf In PDF document text
- http://vipavtoufa.ru/wp-content/plugins/super-forms/uploads/php/files/55ea9c8de52f49e656f7b5cabd3d68a9/gugexopimoteruvidopi.pdfIn PDF document text
- http://druckmaschinenservice.com/uploads/fce/files/46088409052.pdfIn PDF document text
- https://llibreriaha.com/img/events/file/dusojagimirufiv.pdfIn PDF document text
- https://chatsystem.site/js/ckfinder/userfiles/files/pupoxawimi.pdfIn PDF document text
- http://halanmilk.com/upload/files/gexofadeve.pdfIn PDF document text
- http://upoart.com/ckfinder/userfiles/files/musofuguzojolerekolofimis.pdfIn PDF document text
- https://vashadvokat82.ru/wp-content/plugins/super-forms/uploads/php/files/ac276b0744859525afdb764739f47aee/kupuwofebimon.pdfIn PDF document text
- http://101-games.ru/images/uploads/files/maxituvejobovujowedexirez.pdfIn PDF document text
- https://skl.deindrukdemo.nl/upload/files/26892072878.pdfIn PDF document text
- https://lotteppta.com/beta/assets/file/zozamafobugi.pdfIn PDF document text
- http://lsmtrontractor.com/upfiles/file/20210913193352.pdfIn PDF document text
- http://architettobotteonpierpaolostudioabacus.it/userfiles/files/28006809790.pdfIn PDF document text
- http://hillsdalehorseboarding.com/ckfinder/userfiles/files/tagolaborase.pdfIn PDF document text
- http://architetturaurbanistica.it/userfiles/files/sigumerapirugaru.pdfIn PDF document text
- https://rebates.forex/wp-content/plugins/super-forms/uploads/php/files/k2vivlg1djhvm24gt71c96lub3/81839616930.pdfIn PDF document text
- http://harckocsik.hu/userfiles/file/dokigediw.pdfIn PDF document text
- https://ecef-groupe.com/wp-content/plugins/super-forms/uploads/php/files/19r3r2b1ohea03l1dlijp0t6i2/zixodorij.pdfIn PDF document text
- http://zhihepvb.com/upload/ckimg/files/202109070200599530.pdfIn PDF document text
- https://www.taxiserviceh24.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134720837c61---53640875652.pdfIn PDF document text
- http://pevak.info/UserFiles/File/6419988239.pdfIn PDF document text
- http://kompassztuki.pl/Image/files/81122511995.pdfIn PDF document text
- https://retentionstudentexperience.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613011058e18d---81518883415.pdfIn PDF document text
- https://villadorottya.hu/uploads/frontend/files/nubewukap.pdfIn PDF document text
- https://cms.blauraum.com/wp-content/plugins/super-forms/uploads/php/files/79769cbcec3d30876a0f3d61642f00cc/4332048581.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=series+9+watch+onlinePDF 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_off0000b531.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB531 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cd43.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCD43 | 15460 bytes |
SHA-256: e7d0cb7319aadf4fe9b72fbb46f06df2a65982829fcc4652bfe300b94b2c6884 |
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font_02_sfnt_off0000f419.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF419 | 10656 bytes |
SHA-256: 377d83c6fa694db4adbfa110b8bec68ea9a74eb85c75735f1a2397c02e25862a |
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