MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as Pdf.Phishing.Trojan. The numerous embedded URLs, many pointing to compromised CMS uploads or disposable hosting, suggest a link farm designed to redirect users to malicious sites. The presence of PDF_URI and EMBEDDED_URL heuristics indicates the document attempts to leverage external web content, likely for phishing or to download further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9954
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://greensquares.in/userfiles/file///26815622268.pdf In PDF document text
- https://birudongker.com/contents//files/bebamipiza.pdfIn PDF document text
- https://bakotech.at/uploads/ckeditor/files/tirexewom.pdfIn PDF document text
- http://materialdeestudo.top/userfiles/files/libagezusowomumixefoz.pdfIn PDF document text
- https://marathonlaval.com/userfiles/files/sorep.pdfIn PDF document text
- http://donateagift.eu/userfiles/file/dugupepabosenubokijak.pdfIn PDF document text
- http://www.loicadesacavem.pt/wp-content/plugins/formcraft/file-upload/server/content/files/1612ed99fecf34---xopizirewibawafawoj.pdfIn PDF document text
- https://www.makathastaliklari.net/wp-content/plugins/formcraft/file-upload/server/content/files/160779d6c0097c---44377651548.pdfIn PDF document text
- https://thejinglelab.com/wp-content/plugins/super-forms/uploads/php/files/ts22ovi0rkc7jgsj7drn4sktsk/99208393033.pdfIn PDF document text
- http://jockmurray.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cffe75be0aa---nuwujobemar.pdfIn PDF document text
- http://k-yoga.org/file_upload/spaw_upload/file/20210704183715.pdfIn PDF document text
- http://chicagohalo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070c209ab396---rixagijomesukinif.pdfIn PDF document text
- https://cowichanseniors.ca/userfiles/file/pulel.pdfIn PDF document text
- http://ozhelalikram.de/resimler/files/puwevediximijoxeniruw.pdfIn PDF document text
- https://ewms.vn/wp-content/plugins/super-forms/uploads/php/files/0hv80jjcs66284b1hgjadr2pd3/xagovekurofawajenu.pdfIn PDF document text
- https://www.abrasco.org.br/ckfinder/userfiles/files/82870743845.pdfIn PDF document text
- https://revapackers.com/wp-content/plugins/super-forms/uploads/php/files/3etedf5lecchqj1q2359gr4iju/fenuzaxibisejumu.pdfIn PDF document text
- https://bajrahrs.com/userfiles/file/tekivakiwegutagafeke.pdfIn PDF document text
- https://acethamessecurity.co.uk/wp-content/plugins/super-forms/uploads/php/files/d87de622c9e8627c36a78d2cec2876ec/jomekofu.pdfIn PDF document text
- http://stonepigments.com/userfiles/file/gevobipesiwudo.pdfIn PDF document text
- http://obkladlazby.cz/userfiles/file/16037316220.pdfIn PDF document text
- https://prevodi-plovdiv.com/userfiles/file/neteripapibigixazipuko.pdfIn PDF document text
- http://hgbs.de/userfiles/file/23135906311.pdfIn PDF document text
- http://aarogyamedico.com/userfiles/file/wabanadozokaxavoxa.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=tratamiento+de+empiema+pleural+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_off0000b476.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB476 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cc8d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC8D | 10556 bytes |
SHA-256: 2b5b772c40f0d909c54368f9d6013427114b908812852bd5ae14cf470474a13d |
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font_02_sfnt_off0000e486.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE486 | 16176 bytes |
SHA-256: 127978a1d610260c3b6fd14e13f1554759daffc9c68eea7679cdd3b1284105d5 |
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