MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm pointing to multiple disposable hosting sites, a common tactic for phishing or distributing malware. Heuristics indicate it's a link farm on disposable hosting and potentially compromised CMS uploads. ClamAV and ML classifiers also flagged it as malicious, specifically a phishing trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://iuoshili.com/upload/users/files/50417527248.pdf In PDF document text
- https://ph2020.org/FCKeditor/file/vasixaxilupuni.pdfIn PDF document text
- http://makinsushi.com/uploads/files/20990971167.pdfIn PDF document text
- http://tuderprogettazione.it/userfiles/files/fonubegefeninifor.pdfIn PDF document text
- https://123natura.com/stockages/files/84327241133.pdfIn PDF document text
- https://airflow-skateboards.com/userfiles/files/repemeguzijodufanug.pdfIn PDF document text
- https://sanvexe.vn/webroot/img/files/83440575561.pdfIn PDF document text
- http://sql110.com/pic/10724543003.pdfIn PDF document text
- http://agrobud.net/uploaded/file/58612924926.pdfIn PDF document text
- https://icoachyou.biz/images/ckeditor/files/16459746235.pdfIn PDF document text
- http://generaltubi.com/container/ckfiles/files/41964832653.pdfIn PDF document text
- http://antasboru.com/guvennet/resimlerfiles/vefebapazep.pdfIn PDF document text
- https://bjjewels.net/nbloom/fckuploads/file/12147096069.pdfIn PDF document text
- http://lamekatus.com/uploads/ckeditor/files/10290662115.pdfIn PDF document text
- https://komunalno.vrgorac.hr/files/91258092021.pdfIn PDF document text
- http://tecniagua.es/uploads/ckfinder/files/zorazifud.pdfIn PDF document text
- http://europeanprofservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131ac5a7f4a3---dovinavofomovifaxonatonok.pdfIn PDF document text
- http://sbnjl.com/userfiles/files/kowum.pdfIn PDF document text
- https://unique.global/wp-content/plugins/super-forms/uploads/php/files/5398b447c8bb7157c1d4d335cf243437/50556156874.pdfIn PDF document text
- https://altonika.pro/files/fck/file/mereminegiwokiwimowen.pdfIn PDF document text
- http://theeultimatenetworker.com/ckfinder/userfiles/files/49384325898.pdfIn PDF document text
- http://mmprogetti.it/userfiles/files/gizuvuterimev.pdfIn PDF document text
- http://veszpremkosar.hu/_user/file/tewepikivinu.pdfIn PDF document text
- http://luckyassessoria.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16130141db0305---vimazisozim.pdfIn PDF document text
- http://erdbau-rauch.at/nedotagozumoxuboxa.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=not+able+to+open+pdf+file+in+android+phonePDF 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_off0000e634.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE634 | 17928 bytes |
SHA-256: f57b3a70fa30f100f44fbc41ef5a95d8180ee31180e0c117f50a3897b8058932 |
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font_01_sfnt_off000114a6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x114A6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012cbd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12CBD | 10544 bytes |
SHA-256: cfae06a23cc1e04f59e60537f394b61776e89e4c20b1f43c09d5e7dba9b3d5a5 |
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