MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links, many pointing to compromised WordPress sites, suggesting a link farm or phishing lure. The ML classifier and ClamAV detection strongly indicate malicious intent. While no scripts were extracted, the PDF structure and embedded URLs are indicative of a phishing or SEO manipulation campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9929
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://archinfo.ru/uploads/file/6050296240.pdf
- http://cetinelektrik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16080e10158452---42222788249.pdf
- https://www.frankreich-ferien.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160b77f229a84d---93001201342.pdf
- https://beaumont-residence.com/wp-content/plugins/super-forms/uploads/php/files/olpkdqv44h44ad0fkgqh7tqgs1/pabufit.pdf
- http://mgocsm.in/userfiles/file/4189283774.pdf
- http://mellorymotors.ru/admin/ckfinder/userfiles/files/51224657352.pdf
- https://mannerfeltdesignteam.se/ckfinder/userfiles/files/kazorutewunevojenetag.pdf
- http://sanitaerprofi.ch/fckeditor/editor/images/file/27977389918.pdf
- http://www.theflightfest.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a29d500d34c---jenikaderepevad.pdf
- http://www.advancedevents.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160c706c9355ac---farofumitemoritilurereg.pdf
- https://www.goldenplanet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1609b98b421ca5---basesejanugexibalumada.pdf
- http://amphorabeautyclub.com/campannas/file/26108986125.pdf
- http://dtcguild.org/clients/80367/File/zarobaletufazezozewijatug.pdf
- https://neavocats.com/wp-content/plugins/super-forms/uploads/php/files/9802fed719986a3187e604bf07a69b08/86584405982.pdf
- https://noble-worldwide.com/wp-content/plugins/super-forms/uploads/php/files/e021b42bd676be97ba7ca9ff13f76273/59168467425.pdf
- https://dmvassociates.com/wp-content/plugins/super-forms/uploads/php/files/505cde862a4902d6ef7c25b8754ec976/jufapolewirofidivexivukup.pdf
- https://gradeagroup.com/wp-content/plugins/super-forms/uploads/php/files/rrcie7itedjf8k7ofgik4002d3/48579563316.pdf
- http://porpora.biz/imagenes/imagenes_contenidos///55872551084.pdf
- https://camgloberealtor.com/userfiles/file/98216666219.pdf
- https://narimasu-chintai.net/jcfiles/file/sizuwaneseva.pdf
- http://re-view.online/fckFiles/file/76372556468.pdf
- https://tirthmobile.com/wp-content/plugins/super-forms/uploads/php/files/imc7gn5d290ogegbboptvb961m/9972356170.pdf
- http://phuocthuan.vn/images/pic/file/texikatelatetukositobiro.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=long+day%27s+journey+into+night+summary
- https://sharpspringwww.kinsta.cloud/wp-content/plugins/super-forms/uploads/php/files/b15fc4ad9582427ce1829c3a1e09ea12/digexorofibagim.pdf
- http://e1pl2.nazwa.pl/busy/fotki/file/winuporomobafisotegijapu.pdf
- 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_off0000f6f6.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6F6 | 16792 bytes |
font_01_sfnt_off00010f0d.bin1f8479f137399199925aafdffa15a38b32e16fd5d69a3125ce71734e7e204b79 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F0D | 10984 bytes |
font_02_sfnt_off0001283c.bind4d5811bd945778d6efad8b650fb05c7b1a3928159cd92c4e6a74c0bd8306b4c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1283C | 16720 bytes |
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