MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics as malicious, including a high-confidence ML classifier and ClamAV detection. It functions as a link farm, containing numerous URLs that point to compromised CMS upload directories and disposable hosting, likely serving as a distribution point for further malicious content. The presence of multiple PDF links within the document structure suggests an attempt to lead the user to a series of malicious documents.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://elonsummerstorage.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d7d54067ce---1921767234.pdf
- http://adance0112.com/upfile/editor/file/sawerek.pdf
- http://remontnoedelo.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1608820ec00554---muzim.pdf
- https://commonwealthsportsawards.com/userfiles/file/67886274446.pdf
- https://edoxmarketing.com/wp-content/plugins/super-forms/uploads/php/files/ru4ev8kd27ov7l3kskeoolqr6m/vujowolamazasesolago.pdf
- https://marosme.ro/hirek/file/lojunonupiripoxinom.pdf
- https://hotelristorantenovecento.it/wp-content/plugins/super-forms/uploads/php/files/106c5f7929612083a827ac75632def67/73639691099.pdf
- http://alituncer.com/userfiles/file/nekulobatomanibugab.pdf
- https://engineeredrepinc.com/wp-content/plugins/super-forms/uploads/php/files/bf50c211d5b361e13cf07a172cb2ff6a/tamulakivawo.pdf
- http://gf-location.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16082428763431---wunufidafagu.pdf
- http://inewbus.com/wp-content/plugins/super-forms/uploads/php/files/hpc7rjbaceb6m4of9eb0glhe63/jibatugeropezipopitonilup.pdf
- https://tucarrorentacar.co/ckfinder/userfiles/files/firozisusasaragojo.pdf
- http://msamerica.net/clients/873634/File/27138344374.pdf
- https://organicfertilizerproduction.com/d/files/52046163693.pdf
- http://aaexpansionjoint.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607281be12836---zusirevidoxidumegigas.pdf
- https://alkalacarservice.com/public_html/userfiles/file/gumorunosinidiro.pdf
- http://vegasoft.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160b18207039ba---71949284751.pdf
- https://alrukn.co/userfiles/files/76542491539.pdf
- http://houstontca.org/Content/uploads/files/sarabuvukapovusebit.pdf
- http://www.stallionreadymix.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1606f349b4344d---92211528904.pdf
- http://asdgolfclubtoscana.com/writable/public/userfiles/file/kuruvisalupevovogujiz.pdf
- http://cpgny.com/userfiles/files/85360134889.pdf
- https://forex-robo.org/wp-content/plugins/super-forms/uploads/php/files/afef0accd35ba07bee89eea028d3d823/wezixuxukiv.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=simply+wize+puff+pastry+recipes
- 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_off0000e65c.bind5d7c52366ce5aaa5399ac215fd64005ebe74553b12ff41d5ccefea756c7fbe0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE65C | 10852 bytes |
font_01_sfnt_off0000ff8e.bin91704af8d2f22973f5aeed7d9f2fd77b341c4f4b3ac6b61df001d036e34e048b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF8E | 17588 bytes |
font_02_sfnt_off00012dc4.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12DC4 | 16792 bytes |
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