MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links pointing to various domains, indicating a link farm designed to redirect users. Heuristics like 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' confirm this behavior. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or distributing further malware. No scripts were extracted from this sample.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://oniceh.ru/uplcv?utm_term=roblox+apk+robux+mod PDF link annotation
- http://benthanhsgfarm.net/images/uploads/files/61647386718.pdfIn PDF document text
- https://clickbox.ro/images/file/88034328822.pdfIn PDF document text
- https://nationalshield-uae.com/userfiles/files/xenotuwab.pdfIn PDF document text
- http://shrlie.com/upload_fck/file/2021-9-4/20210904011947384820.pdfIn PDF document text
- http://printific.com/images/contentimages/files/bunanozufosenuxo.pdfIn PDF document text
- http://isspskola.lv/userfiles/files/10565198283.pdfIn PDF document text
- https://drivetripper.com/userfiles2020/files/1450941584.pdfIn PDF document text
- http://minerva-collection.net/files/files/72056003526.pdfIn PDF document text
- http://szguilong.com/userfiles/files/lafofanenuboditanole.pdfIn PDF document text
- https://sandp-engineering.com/ckfinder/userfiles/files/buperakufepora.pdfIn PDF document text
- https://starfoil-mail.nl/uploads/wysiwyg/ziledomowivedepugoloxu.pdfIn PDF document text
- http://www.stallionreadymix.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16131ae4635356---jozanukovupobuvofewesugu.pdfIn PDF document text
- http://miamiwars.pl/wp-content/plugins/super-forms/uploads/php/files/93babc33159e4281e109965398f1250f/36291032175.pdfIn PDF document text
- http://dulwichtaxi.com/survey/userfiles/files/92312906080.pdfIn PDF document text
- http://cafesezony.ru/fck_editor_files/files/68429084104.pdfIn PDF document text
- http://nationalcoopadvisors.com/userfiles/files/69425285912.pdfIn PDF document text
- http://champagne-marc-chauvet.com/images/files/zemazonoxafusuwodamun.pdfIn PDF document text
- https://saftanton.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1612f1902a400d---82187023092.pdfIn PDF document text
- https://iaido-iaijutsu.ru/userfiles_exc/67576985241.pdfIn PDF document text
- https://www.generalutilities.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140ccf7b4397---71605603753.pdfIn PDF document text
- http://ceresasrl.it/userfiles/files/nanuperizedobep.pdfIn PDF document text
- http://zzquansu.cn/d/files/63687964279.pdfIn PDF document text
- https://bearings.vn/images/ckeditor/files/78333946185.pdfIn PDF document text
- https://www.area-tlc.com/public/ckfinder/userfiles/files/66824785102.pdfIn PDF document text
- http://mg001.cn/upload_fck/file/2021-9-9/20210909151517265318.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_off0000c396.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC396 | 10440 bytes |
SHA-256: 55057c1ea31e446afc7bce6bc1eb7b8a407bc2c40237b5b3a7d7f52d4d180598 |
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font_01_sfnt_off0000db07.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB07 | 16952 bytes |
SHA-256: d486f143968190eebdf32c20230fff4367d8205c9b9aaafac760aabae3a4ee74 |
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font_02_sfnt_off00010687.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10687 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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