MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links to compromised WordPress upload directories, suggesting a tactic to host malicious files or redirect users to phishing sites. The PDF structure itself appears to be a link farm, designed to obscure the ultimate destination and potentially evade basic URL analysis.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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 https://www.picmephotoboothhire.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160b0cf924ab7b---74809153046.pdf In PDF document text
- http://alemotta.com/resources/original/file/733033877.pdfIn PDF document text
- https://tirthmobile.com/wp-content/plugins/super-forms/uploads/php/files/4k3nu7s5162u3l9h9t9a0jmh1p/xaxuxemomujira.pdfIn PDF document text
- https://bursakaynak.com/userfiles/file/24262563945.pdfIn PDF document text
- https://celovechurch.org/wp-content/plugins/super-forms/uploads/php/files/56aea4f5b7815ffa8492f2f909bd49fa/26761740923.pdfIn PDF document text
- http://rebeccafantarchitetto.it/userfiles/files/30508420444.pdfIn PDF document text
- http://maidnheaven.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077b50dc043f---3409676015.pdfIn PDF document text
- http://mail.me.ntou.edu.tw/ckfinder/userfiles/files/20210724_073724.pdfIn PDF document text
- https://www.histoiresdegroupes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160942d92ac457---xanafavovegesuxizobal.pdfIn PDF document text
- https://freedomhypnosisnyc.com/wp-content/plugins/super-forms/uploads/php/files/5aa364d074014e08ac593ec819ee22c2/rurexawalesetemejawujito.pdfIn PDF document text
- http://valleypainclinic.org/userfiles/file/suwuvifuzewezazote.pdfIn PDF document text
- https://canadiancontractorservices.com/wp-content/plugins/super-forms/uploads/php/files/m8l1gvn4641balsii1nclb1j47/81281303779.pdfIn PDF document text
- http://unseretochter.com/images/file/82541986111.pdfIn PDF document text
- http://suachuabaoduongmaynenkhi.com/img_quanganh/files/xonawoxalunivim.pdfIn PDF document text
- https://canadianrelocation.net/wp-content/plugins/formcraft/file-upload/server/content/files/1606d7e834ecf8---kekodimefosigokifivikifoj.pdfIn PDF document text
- http://bikipvuikhoedep.com/app/webroot/files/editor_upload/files/sifawosabire.pdfIn PDF document text
- http://sity-luxe.ru/userfiles/file/lepibopamogoligigerip.pdfIn PDF document text
- http://darstin.com/userfiles/files/50459909222.pdfIn PDF document text
- https://aravlicraft.com/cmsCart//upload/file/fikelogeruko.pdfIn PDF document text
- https://toyotaautobody.com/ckfinder/userfiles/files/kodefukovaditex.pdfIn PDF document text
- https://dixietemporarystorage.com/wp-content/plugins/super-forms/uploads/php/files/cc5c2b295fdd6410cf8729f6abab2f6e/12721008831.pdfIn PDF document text
- http://globaltruthmediagroup.com/clients/a/aa/aa8380eac451876ae6ab993bf3a720d6/File/tegedejuwukubowu.pdfIn PDF document text
- http://premiumresourcing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a38406162f4---deradazejopava.pdfIn PDF document text
- https://web-sila.ru/wp-content/plugins/super-forms/uploads/php/files/05b9da89b4aa86909d0b3922bf06c0c6/lipobabak.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=small+group+instructionPDF link annotation
- https://sharpspringwww.kinsta.cloud/wp-content/plugins/super-forms/uploads/php/files/0aac7efde0d2c999791be50679f6ea3d/48309797772.pdfIn PDF document text
- 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_off0000e6bc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6BC | 19080 bytes |
SHA-256: 07a3fd09b7df7aaad93c613d29f04985786f83a873f0da24dda0668a7ed3e591 |
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font_01_sfnt_off00011708.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11708 | 10760 bytes |
SHA-256: 930fe16d8954efb2ed552466fcdba5ee2663c19ca5c0ebdd104cb0f04246e6d1 |
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font_02_sfnt_off00012fb8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12FB8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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