MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is a common technique for exploiting PDF vulnerabilities or redirecting users to malicious sites. The presence of numerous external URIs, many pointing to compromised CMS uploads or disposable hosting, strongly suggests a phishing or malware distribution campaign. ClamAV detection and ML classification further confirm its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://www.vignolaweb.it/ckfinder/userfiles/files/gesuvisebudun.pdf
- http://ttlengenharia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b6e7a241bd2---78420273599.pdf
- https://bititechnika.com/uploads/file/julabanopa.pdf
- http://kartywspomnien.pl/uploads/assets/file/fizisiwep.pdf
- http://icloudcleaners.com/uploads/account/autoresponderfiles/miwuz.pdf
- https://www.picmephotoboothhire.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1606cce6ab936c---73538857524.pdf
- http://ne-moloko.ee/wp-content/plugins/super-forms/uploads/php/files/be4ecd6c47492f62056fdbfe00611ed2/62987809441.pdf
- http://versobrokers.eu/userfiles/files/33243983389.pdf
- https://flyingfish-stay.com/userfiles/file/52455765037.pdf
- http://apluskleaning.com/admin/images/file/41900903314.pdf
- http://perechen-jurnalov.ru/js/ckfinder/userfiles/files/93450982976.pdf
- https://www.3dreamchurch.com/wp-content/plugins/super-forms/uploads/php/files/75e339876be099b55372eb9db4f390c2/14063126231.pdf
- http://www.jindatunnel.com/up_files/file/77250240984.pdf
- https://www.lumisolar.pe/wp-content/plugins/formcraft/file-upload/server/content/files/160b7fd04aa528---nigagivemofiraven.pdf
- https://abouelhoulgroup.com/userfiles/files/98727635035.pdf
- http://fouladsazanco.com/Upload/file/kutosebu.pdf
- http://aeskulap24h.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a638279f7bd---4285746742.pdf
- http://www.northeastmarquees.com/wp-content/plugins/super-forms/uploads/php/files/b076ad291b82233de95bf18e403d79d8/tizemamugiv.pdf
- http://www.radioemka.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a22e3e2ba17---41936358760.pdf
- http://finpacecuador.com/userfiles/file/debanas.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=james+baldwin+no+name+in+the+street+summary
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000eb74.bince799c23b60df44987b3b616566c9b1945757bc9a437a2a093e20a207d049830 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB74 | 16744 bytes |
font_01_sfnt_off00011730.bin281869292c9798423d95fc791667f882005e3f3d97bfaed4d7a2493bde88e448 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11730 | 10944 bytes |
font_02_sfnt_off0001306d.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1306D | 16792 bytes |
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