MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous external links, many pointing to compromised or disposable domains, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. The presence of a link farm and the use of compromised CMS upload storage are common tactics for distributing malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
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://stillwaiting.org/userfiles/file/kabaze.pdf In PDF document text
- http://duocthientam.com/uploads/ckfinder/files/82677143670.pdfIn PDF document text
- http://hk-sai.com/ckfinder/userfiles/files/sanijekonowi.pdfIn PDF document text
- http://mebizstekla.ru/userfiles/file/takepi.pdfIn PDF document text
- http://bfcy88.com/uploads/files/zibewemovagavelijep.pdfIn PDF document text
- http://lnhaihui.com/userfiles/file/20210904052312_1635600244.pdfIn PDF document text
- https://artasedanasingaraja.com/uploadfck/file/32715225234.pdfIn PDF document text
- http://keystoparadise.com/userfiles/files/97491292873.pdfIn PDF document text
- https://olterus.org/contents/files/kujivudogebutomitimoxuwod.pdfIn PDF document text
- https://gdaniec.com/upload/files/mojonijagiragudexajo.pdfIn PDF document text
- http://files.ibiza-ferien.de/file/woxub.pdfIn PDF document text
- http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/69c180728ae08761c59e14da45e70dd8/zuribezuwe.pdfIn PDF document text
- https://hlj-vibration.com/uploads/image/20210903/files/20210903035658.pdfIn PDF document text
- https://santevita-bg.com/ckfinder/userfiles/files/duwanebilozovuzananejene.pdfIn PDF document text
- http://bebaldebaran.eu/userfiles/files/danom.pdfIn PDF document text
- https://aimtronu.org/userfiles/file/bokemoto.pdfIn PDF document text
- http://pooq-design.com/app/webroot/fckfiles/file/fesiwofetusi.pdfIn PDF document text
- https://stpm-sa.com/userfiles/file/33682098901.pdfIn PDF document text
- https://stiff.pl/ckfinder/userfiles/files/lifezotoz.pdfIn PDF document text
- https://sassanoproperties.com/FCKeditor/file/63236483278.pdfIn PDF document text
- https://kuechentreff-schmid.de/wp-content/plugins/super-forms/uploads/php/files/6jj13o37s8hk7fo9168kpk1ifr/90285583640.pdfIn PDF document text
- https://newsale.linyn.mobi/upload/ckeditor/pages/files/29740652776.pdfIn PDF document text
- http://evabody.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1613585fee429e---bovipi.pdfIn PDF document text
- https://tramtron.vn/uploads/files/files/patagojup.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=kate+turabian+a+manual+for+writers+pdfPDF 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_off0001034e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1034E | 18932 bytes |
SHA-256: 4a012638b05d1aabe1a1894f6a13dd42fb20d350a3a87d3aa7265c139b77b5a2 |
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font_01_sfnt_off0001347f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1347F | 10976 bytes |
SHA-256: d45e55c19587623a809958255c7ac072d8c8441a16e6306cdb54ae82105d2058 |
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font_02_sfnt_off00014dcf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14DCF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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