MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, with numerous URLs pointing to compromised WordPress upload directories and other disposable hosting. These links likely serve as redirects to phishing pages or malware download sites, a common tactic for initial compromise via spearphishing attachments.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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://boldvision.tv/wp-content/plugins/formcraft/file-upload/server/content/files/160b99b54556fd---zovixaberiwevubalisuveta.pdf In PDF document text
- http://www.jesuseslaroca.org/wp-content/plugins/formcraft/file-upload/server/content/files/16085d10328b39---kipadipodifebezifopatil.pdfIn PDF document text
- http://box8websites.com/ckfinder/userfiles/files/nipera.pdfIn PDF document text
- https://go2germany.ru/files/file/nuzat.pdfIn PDF document text
- https://tucarrorentacar.co/ckfinder/userfiles/files/92144177161.pdfIn PDF document text
- http://box8websites.com/ckfinder/userfiles/files/53915668484.pdfIn PDF document text
- http://verynailscm.com/user_img/file/nifipav.pdfIn PDF document text
- http://crosswaysrecruitment.com/userfiles/file/nidonerunexudifa.pdfIn PDF document text
- https://extremetour74.ru/wp-content/plugins/super-forms/uploads/php/files/6cf1330e49440934cf753bb58b9cd647/68914899414.pdfIn PDF document text
- https://afanasyev-design.ru/wp-content/plugins/super-forms/uploads/php/files/efc44202080fd05666ace3a5c355f871/rubojewo.pdfIn PDF document text
- http://dajuicebarus.com/uploads/files/riwepowajolevazukuzulerop.pdfIn PDF document text
- http://centronegozi.com/public/11696438791.pdfIn PDF document text
- https://euroroma-bg.org/files/file/68960502598.pdfIn PDF document text
- https://morethancleaningservices.com/wp-content/plugins/super-forms/uploads/php/files/17dfc452d4a6723206fa595a7d66f372/fokixofolajijinijozifame.pdfIn PDF document text
- https://www.keystonecare.co.uk/wp-content/plugins/super-forms/uploads/php/files/1b7710b72d49e5170427d81576ecd7ce/31375142972.pdfIn PDF document text
- http://angarakshaksecurity.com/userfiles/file/sifukosapoxopuja.pdfIn PDF document text
- http://krindustria.com.br/site/wp-content/plugins/formcraft/file-upload/server/content/files/1607cdd6bb7310---getipuwowutozag.pdfIn PDF document text
- https://beautydiction.com/ckfinder/userfiles/files/zopojifijuxisa.pdfIn PDF document text
- http://frangarcia.eu/upload/file/kovugazijutimibezizetelik.pdfIn PDF document text
- https://chpcentre.com/files/file/87516872521.pdfIn PDF document text
- http://www.virtualaid.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1609e10df817a0---xawizewewotejax.pdfIn PDF document text
- https://creationstationdance.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609971465dd94---gixixekabiruxul.pdfIn PDF document text
- https://apexforestservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076f53985add---xaxirufutugofesuneluwu.pdfIn PDF document text
- http://www.christinemartin.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160b7d1959e554---68732293200.pdfIn PDF document text
- http://www.farparts.cl/wp-content/plugins/formcraft/file-upload/server/content/files/1607bc77f39be9---semoki.pdfIn PDF document text
- http://www.expo-hotel.com/english/wp-content/plugins/formcraft/file-upload/server/content/files/1608719a02304e---gakenobig.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=electric+and+hybrid+vehicles+design+fundamentals+iqbal+husain+pdf+downloadPDF 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_off0000f1cd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1CD | 18252 bytes |
SHA-256: 626d3fc0bf05a0af2beac82a27e178c9d2fea197596d500093da482a38f758dc |
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font_01_sfnt_off00011fab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11FAB | 11700 bytes |
SHA-256: c52fcf0906103f7080851114a4b3f95da3adf423d8fe8f1d90c373ddffc06f6c |
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font_02_sfnt_off00013aa9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13AA9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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