MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm pointing to numerous domains, many of which appear to be disposable or compromised, suggesting a phishing or malware distribution attempt. The ClamAV detection and ML classifier strongly indicate malicious intent. While no scripts were extracted, the structure and URL patterns are consistent with a malicious PDF designed to lure users to external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
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://vitalchurchesinstitute.com/files/file/37027782126.pdf
- http://massimoandyuethui.com/clients/69227/File/49921577596.pdf
- https://socialchangefactory.org/wp-content/plugins/super-forms/uploads/php/files/86cad0d846646e81e2eee767f5c63977/23328370238.pdf
- https://micsys.in/userfiles/file/tesopulikasadexotak.pdf
- http://bluecars.pl/userfiles/file/dakix.pdf
- https://adverto.ee/userfiles/file/47562245597.pdf
- http://kondicionery-dolgoprudny.ru/upload_picture/file/gagemexokefemejirugipujuz.pdf
- https://solarconsulting.org/wp-content/plugins/super-forms/uploads/php/files/fc844aae4f2883bf51832dd379270639/vizisedumawebiga.pdf
- http://glina-master.ru/admin/ckfinder/userfiles/files/pegilova.pdf
- http://kleinschaden.expert/userfiles/file/36465979394.pdf
- http://uleshuzatshop.hu/files/file/riroduforotojusadiruk.pdf
- https://nepalimodelagency.com/userfiles/file/10666808358.pdf
- http://3handseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086690289c8e---53776974429.pdf
- http://asiadomainstore.com/userfiles/file/sudoje.pdf
- https://ropaalmayoreo.com/images/userfiles/file/38068947886.pdf
- http://dakmet.pl/upload/86471100828.pdf
- https://medgarlci.com/wp-content/plugins/super-forms/uploads/php/files/9dd1cf8a8ab72bbf18d8a18d200abba6/nosunudilotasesuvezevoxa.pdf
- https://www.hed-endo.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160842d7b8b089---bidupisobulit.pdf
- http://bukharasuwanee.com/sites/default/files/file/56256729673.pdf
- https://saraelv.no/wp-content/plugins/formcraft/file-upload/server/content/files/1611d852611092---ponavopa.pdf
- https://sogelec-eng.com/files/ckfinder/files/57962529894.pdf
- http://chanakyaaerospacedefence.com/userfiles/file/xevun.pdf
- https://thriveelearning.com/wp-content/plugins/super-forms/uploads/php/files/7373aa28103516063d9a6c9bc99f5435/72560869702.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=circular+motion+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_off0000e42d.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE42D | 16792 bytes |
font_01_sfnt_off0000fc3f.bin3aec7a68cbbf3671743eec1b0ad91d504a8fc232c5778b66e76cb4a0b84167e9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC3F | 20592 bytes |
font_02_sfnt_off000131eb.bin3668148b6622cae5381764652b9915b4ef29c095e1777a4d68e8e73e94e77e80 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x131EB | 10612 bytes |
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