MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The ML classifier and ClamAV detection strongly indicate malicious intent. The PDF contains a link farm pointing to multiple compromised websites, a common tactic for phishing or distributing further malware. The presence of numerous external URIs and compromised CMS upload links reinforces this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9984
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://affordableadobe.com/ckfinder/userfiles/files/93422746399.pdf In PDF document text
- https://elicopter-de-inchiriat.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16090539abd6ec---saxibekudejifo.pdfIn PDF document text
- http://ceomit.com/fckupload/file/46724564629.pdfIn PDF document text
- https://ensasoft.com.tr/wp-content/plugins/super-forms/uploads/php/files/8i3mp9sp0tvfv1rcgi3l8fedas/bugulezujavaririfove.pdfIn PDF document text
- https://investmentskillsgroup.com/images/userfiles/file/xabegabon.pdfIn PDF document text
- https://xn--80aaa1arbfjoe3bzh.xn--p1ai/data/files/65594519669.pdfIn PDF document text
- http://www.mediacomriccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a0f337abe58---57779461614.pdfIn PDF document text
- https://www.modianodesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088c46f49a2a---70799646512.pdfIn PDF document text
- http://sungwoneng.com/upfile_editor/2021/files/14392180599.pdfIn PDF document text
- http://obasekiestates.com/UserFiles/file/gixemoxapibogapidabajo.pdfIn PDF document text
- http://www.petersmetalstitching.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160d3972499b75---jitumi.pdfIn PDF document text
- https://flvirginia.com/wp-content/plugins/super-forms/uploads/php/files/1c674414a44d10dfc49cd74dd04ca5a1/32794728427.pdfIn PDF document text
- http://thevenetianmask.com/clients/71561/File/49845330211.pdfIn PDF document text
- http://szpital-sulecin.pl/images/fckfiles/file/xitelomiseta.pdfIn PDF document text
- https://interesttour.com/wp-content/plugins/super-forms/uploads/php/files/ca3ed45bb91b4637f8c51e17bd5e068e/rijukawolajivo.pdfIn PDF document text
- http://lab4050.com/upload/editor/file/53469428726.pdfIn PDF document text
- http://jedwines.com/cmsCart//upload/file/55560655646.pdfIn PDF document text
- http://ubest.ru/images/file/89115890999.pdfIn PDF document text
- http://darienhigh69.com/clients/866565/File/zulibogegusafobezorimu.pdfIn PDF document text
- http://mujuerp.com/uploads/ckeditor/files/20210610145506.pdfIn PDF document text
- https://plasy.com/uploads/file/14445397736.pdfIn PDF document text
- https://astdubai.co/userfiles/files/tevavanabebitifufotu.pdfIn PDF document text
- https://artbynela.com/uploads/file/witovezokawigojeme.pdfIn PDF document text
- https://soliangco.com/contents//files/momilitave.pdfIn PDF document text
- https://avantkart.com/wp-content/plugins/super-forms/uploads/php/files/67r5tpghnmn3gvat8ttgf19v0j/zafujapomadusirapewonaz.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=who+is+the+next+smash+bros+characterPDF 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_off00011333.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11333 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00012b4a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B4A | 10684 bytes |
SHA-256: 36665cee81dee9a1d15e54e655f7f6ea97860b26e87f54c95e7c41a7b3fae760 |
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font_02_sfnt_off000143ab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x143AB | 17800 bytes |
SHA-256: c5c7f55db7bed04a6cde0b278899f5264a87df12b6cdb53eea7d8125433bae32 |
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