MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was flagged by ML and ClamAV as malicious, with heuristics indicating embedded JavaScript and a link farm pointing to potentially compromised CMS uploads. The embedded JavaScript likely attempts to download and execute a second-stage payload, while the link farm serves to obscure the ultimate destination. The presence of these elements strongly suggests a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
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://devison-matras.ru/upload/file/xizaxifobisivuli.pdf In PDF document text
- http://www.iamgoingto1996.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613fd5dde7899---88095785779.pdfIn PDF document text
- http://dissanna.com/temp/fckeditor/file/95283605531.pdfIn PDF document text
- http://www.sandzthabapanel.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16134d60d79483---lojiw.pdfIn PDF document text
- http://regalmotors-jp.com/js/upload/files/73685975227.pdfIn PDF document text
- http://pes.edu.mn/ckfinder/userfiles/files/fizikunateger.pdfIn PDF document text
- http://kraemer-duennebacke.de/files/file/magaxe.pdfIn PDF document text
- http://thedewakohchang.com/image/upload/File/2476964861.pdfIn PDF document text
- http://traktorpulling.de/ablage/userfiles/files/sedakofefibakezemuruma.pdfIn PDF document text
- http://conditum.nl/userfiles/file/19180756535.pdfIn PDF document text
- https://transilvaniafishing.ro/app/webroot/files/userfiles/files/47414049700.pdfIn PDF document text
- http://bienbao.org/uploads/files/wafigeziwuvixuforuj.pdfIn PDF document text
- http://96stone.ru/userfiles/file/notanapavumotevuteteb.pdfIn PDF document text
- https://arihantgranites.in/wp-content/plugins/super-forms/uploads/php/files/d85ed5e6c7dce63fc4298971fdf3cdc7/77910197117.pdfIn PDF document text
- http://arablift.net/userfiles/file/tijatevijiserojuros.pdfIn PDF document text
- https://liepasmuiza.lv/userfiles/library/zabuwexiv.pdfIn PDF document text
- http://theonejsc.com/userfiles/file/17495191158.pdfIn PDF document text
- http://kubabus.cz/novy-web/upload/file/4687997298.pdfIn PDF document text
- https://parc-hotel.info/file/6466138097.pdfIn PDF document text
- https://auf.vn/wp-content/plugins/super-forms/uploads/php/files/cictc8p30k3q1eacou0qvaoij6/13436135078.pdfIn PDF document text
- http://sage-chem.com/image/files/20210909_010024.pdfIn PDF document text
- http://svenskafik.se/uploads/fckeditor/file/kevonikawatipasuwejelat.pdfIn PDF document text
- https://primax.fr/wp-content/plugins/super-forms/uploads/php/files/dmq3ms32r8g24n8mn1tqnpbau5/75861957615.pdfIn PDF document text
- http://lg-palette.com/upload/files/rabugenefunatogu.pdfIn PDF document text
- http://amwordpress.org/wp-content/plugins/formcraft/file-upload/server/content/files/16138271d3cbe1---32228558680.pdfIn PDF document text
- http://tentauto23.ru/ckfinder/userfiles/files/64354157195.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=pokemon+x+version+gbaPDF 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_off0000e281.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE281 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fa98.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA98 | 10708 bytes |
SHA-256: cb28e87d68bc36600f3157910d0701d4416d47d5f2f6dab9f55186a254527a76 |
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font_02_sfnt_off00011339.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11339 | 21400 bytes |
SHA-256: 52e1595bf1aa27ee8978d29b1437479b7bc34a78ea482b4fd936842b458cc7f7 |
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