MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by a machine learning classifier and ClamAV as malicious. Heuristics indicate it functions as a link farm, with numerous URLs pointing to disposable hosting or compromised CMS uploads. The document body is heavily obfuscated, but the presence of multiple external URIs and the 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic strongly suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
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://stoewebdesign.no/userfiles/file/lovumijegemolegel.pdf In PDF document text
- https://themis-lex.com/userfiles/files/89416150461.pdfIn PDF document text
- http://3t-t.com/User_File/UpFile/file/20210909101416_NzYzNDU5OTA5OTI=.pdfIn PDF document text
- https://thefencedocumentary.ca/adminfiles/file/xukubut.pdfIn PDF document text
- https://ww150001.linebot.net/upfile/files/20210909100943.pdfIn PDF document text
- https://toocapen.com/files/sezaga.pdfIn PDF document text
- https://technok.cz/wp-content/plugins/super-forms/uploads/php/files/4b7f0a9668d9deeaaeff629808feb8fe/xunowozedimilej.pdfIn PDF document text
- https://blogsma.com/files/bosuneniximozufisof.pdfIn PDF document text
- https://www.fifatravels.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140652e06278---52016417049.pdfIn PDF document text
- https://soccerauquebec.com/userfiles/file/lulolu.pdfIn PDF document text
- https://omnistopbollards.com/application/third_party/ckfinder/userfiles/files/73859243106.pdfIn PDF document text
- http://ilkemymm.com/image/files/pukubolakopes.pdfIn PDF document text
- http://www.halpellet.hu/userfiles/files/jusowojako.pdfIn PDF document text
- https://reniuved.it/file/30253512078.pdfIn PDF document text
- https://ntct-dz.com/ckfinder/userfiles/files/14645231027.pdfIn PDF document text
- http://tfe-design.dk/userfiles/file/48276679894.pdfIn PDF document text
- http://langeline.com/ckeditor/upload/files/jobabalururak.pdfIn PDF document text
- http://nyitotthaz.hu/userfiles/files/45270017494.pdfIn PDF document text
- https://kayakbranson.com/wp-content/plugins/formcraft/file-upload/server/content/files/16150d837bfa81---79760776508.pdfIn PDF document text
- http://ifap.it/images/file/gitufapatamewe.pdfIn PDF document text
- http://vietcem.vn/public/default/ckeditor/files/rupazemedufa.pdfIn PDF document text
- https://hantverksakuten.se/ckfinder/userfiles/files/8567651972.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=ps1+rom+androidPDF 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_off0000ade3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xADE3 | 10188 bytes |
SHA-256: ccc9cd1e2d30dd39fb7e046d436eaf469e6b999a49a8dd3a71c0a743f25126ea |
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font_01_sfnt_off0000c4aa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC4AA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000dcbc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDCBC | 17416 bytes |
SHA-256: 9b338a01789ee9722ab397e4e62fb0f308d75999c108a72e4c8dbce126fa165d |
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