MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and ML classifiers indicated a high probability of maliciousness. The document contains numerous links, many pointing to compromised CMS upload storage or disposable hosting, suggesting a link farm designed to redirect users to malicious sites. The presence of external URIs and link farm heuristics strongly indicates an attempt to facilitate phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://inwebjor.ru/uplcv?utm_term=nintendo+64+rom+downloads PDF link annotation
- https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/611h4ahsf5t6albuagm1lpn1mj/6630911886.pdfIn PDF document text
- http://nutronicltd.com/userfiles/file/xexozadifazenizevegunud.pdfIn PDF document text
- https://jpt.mysmartedu.com/uploadimages/files/pixotolanewamu.pdfIn PDF document text
- https://tpijobportal.com/ckeditor/ckfinder/userfiles/files/rarujirinuguvi.pdfIn PDF document text
- http://linpus.com/app/webroot/userfiles/files/dipetos.pdfIn PDF document text
- https://kvkumariajnkvv.org/singhania/downloads/file/gepedojetozijusodirilibo.pdfIn PDF document text
- http://aiswaryamatrimonials.com/fck_uploads/file/nenowavijoguguborukesipa.pdfIn PDF document text
- http://truhlarstvisollner.cz/data/file/vevotilugijijakivala.pdfIn PDF document text
- http://windcampus.com/wp-content/plugins/formcraft/file-upload/server/content/files/161416e61b8e66---pozotefumafufujowitowiv.pdfIn PDF document text
- https://hospvetcentral.pt/site/upload/file/38751413038.pdfIn PDF document text
- http://torby.kbo.pl/ckfinder/userfiles/files/wazagim.pdfIn PDF document text
- https://alshuka.ps/ckfinder/userfiles/files/27899674073.pdfIn PDF document text
- http://tplustech.com/images/ckeditor/files/36453640076.pdfIn PDF document text
- http://mgmkt.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613ff955049b1---36794213263.pdfIn PDF document text
- http://1night2day.com/ckupload/files/52459068174.pdfIn PDF document text
- http://tulga.ru/editor/files/23400942701.pdfIn PDF document text
- https://ngenadmin2.nextgenphotosolutions-beta.com/app/webroot/files/file/suvuxorukop.pdfIn PDF document text
- https://gites-les-bardots.com/userfiles/file/vepen.pdfIn PDF document text
- http://yey.uw52.com/upload/files/42764265388.pdfIn PDF document text
- http://mai-colle.jp/userfiles/file/17515712699.pdfIn PDF document text
- http://abwingstop.com/uploads/files/13717325397.pdfIn PDF document text
- https://dpengineerindia.com/admin/userfiles/file/32654139175.pdfIn PDF document text
- http://stisk.com/file/moputalu.pdfIn PDF document text
- http://vinhhangvien.com/upload/files/58150982267.pdfIn PDF document text
- https://wilsonbarrera.com/inicio/wp-content/plugins/formcraft/file-upload/server/content/files/16140b82a99cd3---mokosiwadinagenaf.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_off0000bed9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBED9 | 17184 bytes |
SHA-256: 2e2f1cf6d1cfdc50fe1b42c66e9081addbe0d4dc3a189333e0d19ea7fac8e274 |
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font_01_sfnt_off0000eabe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEABE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000102d5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102D5 | 10716 bytes |
SHA-256: fe6f2d7a2416a137fce391928bdec5244ce0a892cac8974e5c45c2d272c262b7 |
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