MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which point to compromised websites or disposable domains, indicating a link farm designed to lead users to malicious content. The ClamAV detection and ML classifier strongly suggest a phishing or malware distribution intent. The presence of multiple external URIs and link farms points towards a phishing or initial access vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9827
Heuristics 6
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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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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://tznjl.com/userfiles/files/pomemuwozoj.pdf In PDF document text
- http://sinching.com/uploadpic/files/202109031450469258.pdfIn PDF document text
- http://capriololaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/daronifimufowaxakajakig.pdfIn PDF document text
- http://www.adarshvidhyasankul.org/userfilesfile/1978221887.pdfIn PDF document text
- http://ccswcd.com/userfiles/file/91555752812.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614145eb3c64b---58199326219.pdfIn PDF document text
- http://placc.info/up_image/sewuxafojifuniletifo.pdfIn PDF document text
- http://hkalc.com/userfiles/nadute.pdfIn PDF document text
- http://www.amedna.com/userfiles/files/82947589672.pdfIn PDF document text
- http://fge-service.com/userfiles/file/27054635131.pdfIn PDF document text
- http://ljsmelt.com/upload/files/17514260067.pdfIn PDF document text
- https://martas.vodrsport.cz/uploads/files/vavopoperuzoviveliwopeje.pdfIn PDF document text
- https://nabsangram.com/userfiles/file/65098662551.pdfIn PDF document text
- https://creativenursery.net/home/creative/public_html/ckfinder/userfiles/files/nemiwipapagesikux.pdfIn PDF document text
- https://clinicaabrahaoosta.com.br/ckfinder/userfiles/files/69994637158.pdfIn PDF document text
- http://2015.letnifestiwal.pl/ckfinder/userfiles/files/10343787467.pdfIn PDF document text
- https://www.medicalart.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/161452ae6177fb---4624827115.pdfIn PDF document text
- https://trvstore.com/userfiles/file/sebepo.pdfIn PDF document text
- http://diagonal.org.ar/wp-content/plugins/formcraft/file-upload/server/content/files/161341aa179f68---45716069777.pdfIn PDF document text
- http://dongbanja.com/userData/ebizro_board/file/34155609894.pdfIn PDF document text
- https://doina.md/fckeditorfiles/file/jaboridivo.pdfIn PDF document text
- http://daindnc.com/fckeditor/userfiles/file/6120870097.pdfIn PDF document text
- http://carbonelite.ru/file/fajeduluv.pdfIn PDF document text
- http://eksternest.be/images/file/rifitijanirotikiwok.pdfIn PDF document text
- https://www.theknowledgeonline.com/files/lib/ckfinder/userfiles/files/jirebunimipijag.pdfIn PDF document text
- http://pulsarvn.com/media/ftp/file/vurikuxegasijuju.pdfIn PDF document text
- http://bridgestone-ice-cruiser-7000.ru/ckfinder/userfiles/files/duguk.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=online+pdf+to+excel+convert+freePDF 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_off0000be5d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBE5D | 10476 bytes |
SHA-256: 96472d4312fbf274f8309a8e2acad212be6ff59633e45530e388c4474df308fa |
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font_01_sfnt_off0000d645.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD645 | 19112 bytes |
SHA-256: ad173ab0710abfaa6a6b7ecd4d8c9c4c6f44a7b121b41dffee46353212ff99df |
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font_02_sfnt_off000107ae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107AE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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