MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains numerous embedded URLs, many of which point to compromised websites or disposable hosting, indicating a link farm designed to redirect users to potentially malicious content. The ML classifier and ClamAV detection strongly suggest a phishing or trojan payload delivery mechanism. No scripts were extracted from this sample, but the structure and URL distribution are indicative of a phishing lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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://brod-plovdiv.com/images/46465469392.pdf In PDF document text
- https://www.kunapak.com/wp-content/plugins/super-forms/uploads/php/files/aek4jf7kqdb9vhvcb7hklgril7/31384359367.pdfIn PDF document text
- http://veno2.com/upload/61142495859.pdfIn PDF document text
- http://multiseal.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/160964712635f1---18502255919.pdfIn PDF document text
- http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/160774855710ea---16092292838.pdfIn PDF document text
- https://www.rydalmereprestige.com.au/wp-content/plugins/super-forms/uploads/php/files/a4ifai1vvr4uvscag5umj9jjdu/gepedasu.pdfIn PDF document text
- https://saintarseny.ca/sites/saintarseny.ca/files/file/21965334726.pdfIn PDF document text
- https://dipinkrishna.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098bc88adb76---dupabolusesexumej.pdfIn PDF document text
- https://www.horisunmauritius.com/wp-content/plugins/super-forms/uploads/php/files/6042eb730cc6df68a5927f57c39e8356/lipobotijojakufowexujumag.pdfIn PDF document text
- http://xn--9w3b270a7kf.kr/ckfinder/userfiles/files/morasi.pdfIn PDF document text
- http://gennarimaq.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16088d487b110b---77240147193.pdfIn PDF document text
- http://ecohouse-lab.de/userfiles/file/tazuwepoxejejowunuxemuro.pdfIn PDF document text
- http://millecolori.it/images/file/21063214227.pdfIn PDF document text
- https://www.mii.net/wp-content/plugins/super-forms/uploads/php/files/5b58739b1a52e58be937eff5857690df/96896119107.pdfIn PDF document text
- http://zvezda-rostov.ru/ckfinder/userfiles/files/samoderaf.pdfIn PDF document text
- http://multi-accueil.fr/ressource/site-image/files/90654661957.pdfIn PDF document text
- https://sandalyecenneti.com/wp-content/plugins/super-forms/uploads/php/files/6b9si8unuoo9k1kc52hm6v7q17/31512574741.pdfIn PDF document text
- https://www.femregenx.co.za/wp-content/plugins/super-forms/uploads/php/files/f5itlpgan9u3r2iial087jhfmb/30967124.pdfIn PDF document text
- https://www.audioclinica.pt/wp-content/plugins/super-forms/uploads/php/files/gre8rfoe3sqgrh3vh6jgf742du/56633093909.pdfIn PDF document text
- http://gioiacompany.net/images/upload/file/49896655162.pdfIn PDF document text
- http://zbraneklapka.cz/ckfinder/userfiles/files/28852743283.pdfIn PDF document text
- https://dezsredstvompx.ru/wp-content/plugins/super-forms/uploads/php/files/4496aa3c40e32af40a1b287dfdf7d99d/43553626620.pdfIn PDF document text
- https://mebelpozakazu.ru/wp-content/plugins/super-forms/uploads/php/files/78a1c69683acf152214e5b365bbafaee/jelubawemujevaripubaxokew.pdfIn PDF document text
- https://vannordenvastgoed.nl/userfiles/file/91227057822.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=canada+provinces+and+territories+map+pdfPDF 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_off00013176.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13176 | 19200 bytes |
SHA-256: b677bf3e1f62a03d0e04e5840d9687855ab22bcd5006061bb7d629d23f6038ee |
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font_01_sfnt_off000163b2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x163B2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00017bc9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17BC9 | 10832 bytes |
SHA-256: bb8b31fbd5bdca627dca595f9804d7c1ad9d4beb4f2cb75035d6b7228927b0bc |
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