MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs that function as a link farm, directing users to potentially compromised or malicious domains. The presence of multiple links on disposable hosting and compromised CMS upload storage further indicates a malicious intent to distribute or host malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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=skin+creator+for+minecraft+apk PDF link annotation
- http://world-green-hope.com/uploads/files/vaxixum.pdfIn PDF document text
- https://mangalargalux.com.br/ckfinder/userfiles/files/renosoxerexijaz.pdfIn PDF document text
- http://megat.pl/uploaded/fck_files/file/13591328949.pdfIn PDF document text
- http://telegid.tv/userfiles/files/gidevabunezasaxo.pdfIn PDF document text
- https://www.acptechnologies.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134a167e87d1---sazisupa.pdfIn PDF document text
- http://smithmurdock.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612ff546e40fa---vutavukoxeramikigizok.pdfIn PDF document text
- https://aristi-trap.com/upload/users/files/movajebefaxapaxafo.pdfIn PDF document text
- http://erfolgsapp.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613c48140db8a---81044254178.pdfIn PDF document text
- http://webcertain.net/contentupload/fckeditorUploads/organization_/file/junitifezixarolowas.pdfIn PDF document text
- http://srihemkuntsahibfgp.org/hemkunt/userfiles/file/40140627981.pdfIn PDF document text
- http://smepil.com/ckeditor/userfiles/files/81661895482.pdfIn PDF document text
- https://www.karenlovelee.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137381063ada---81205141689.pdfIn PDF document text
- https://www.sabiamente.es/wp-content/plugins/formcraft/file-upload/server/content/files/1612f333d5ea0c---87288429241.pdfIn PDF document text
- https://hobbyschuurtje-webwinkel.be/images/userfiles/file/45404626122.pdfIn PDF document text
- https://www.ezhealthcheck.com/wp-content/plugins/super-forms/uploads/php/files/sfdr5ee195nmoeoi373msq90n6/pepovikobadiwaziguni.pdfIn PDF document text
- http://theeultimatenetworker.com/ckfinder/userfiles/files/fawis.pdfIn PDF document text
- https://toppelletmachine.com/d/files/46592555613.pdfIn PDF document text
- https://rowsontw.com/shopadmin/upload/files/85378825192.pdfIn PDF document text
- http://vhshf.de/File/janoviziko.pdfIn PDF document text
- https://onlinendttraining.net/files/44091785686.pdfIn PDF document text
- http://mastrodibaglio.it/userfiles/files/90019438564.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_off0000b63e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB63E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ce50.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE50 | 16372 bytes |
SHA-256: 815f753d6b0fa7bdb92817617ee80c5e0671fe4f9e0c73804875f3ec8854a227 |
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font_02_sfnt_off0000f856.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF856 | 10592 bytes |
SHA-256: b621bf0e9b191c9aebda75104dda612a40c8425c000bafa128f5b124cdf960ec |
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