MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link farm pointing to multiple disposable hosting sites, a common tactic for phishing or malware distribution. The 'SE_PASSWORD_ARCHIVE_LURE' heuristic indicates the document likely instructs the user to open a password-protected archive, a method used to evade gateway scanning. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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://tythb.com/uploadfile/files/28152513525.pdf
- https://www.andyselfstorage.co.uk/wp-content/plugins/super-forms/uploads/php/files/vrupnguguv59g77cquivasnk05/52481537239.pdf
- http://les-dvorik.ru/userfiles/file/19234301369.pdf
- http://renknh.com/ckupload/files/wewijekobivitole.pdf
- http://www.tsahimmongol.com/uploads/images/files/xanexadasudorawikajut.pdf
- https://pottoka.info/files/galeria/files/28940317058.pdf
- http://85560891.com/upfolder/e/files/20210906045257.pdf
- http://dobre-jaja.com/Upload/file/31978050472.pdf
- https://shopexpert.com/app/webroot/files/userfiles/files/6022395892.pdf
- http://sreema.org/FCKeditor/file/23829529819.pdf
- http://lica-mpt.it/userfiles/files/2417618985.pdf
- https://drmiamiconnect.com/wp-content/plugins/super-forms/uploads/php/files/b94563ac81c14a6276b041dc9166ffa7/15211025253.pdf
- http://exms.fr/sites/default/files/file/kojexekazujozexogib.pdf
- http://aucoindeshalles.fr/menu/file/gugapolinomabefidonewejaj.pdf
- http://geomanteia.com/userfiles/files/rudagesosekokupepem.pdf
- http://cmsrecuperocrediti.it/images/file/54024863279.pdf
- http://kanomax-nsk.ru/images/46234693481.pdf
- http://slhospital.com/upload/fckeditor/file/99359894140.pdf
- http://www.bash.cl/media/file/16677794592.pdf
- https://cometsecurity.in/admin/userfiles/file/sarasunumetafod.pdf
- http://paletydozahrady.cz/ckfinder/userfiles/files/13321049514.pdf
- http://associatedreclaimed.reclaimedoils.com/userfiles/files/wegukapuzegunerotolemepo.pdf
- https://0800-707-808.com/upload/ckfinder_temp/files/20210907182055.pdf
- http://www.emporiocaritaspisa.it/wordpress/wp-content/plugins/formcraft/file-upload/server/content/files/161334c2dc2d28---fexokebelufegototupave.pdf
- http://crisismobile.com/ckfinder/userfiles/files/44517282436.pdf
- https://www.havanasalsa-dance-tours.com/wp-content/plugins/super-forms/uploads/php/files/333f63d14542b866abb072846509861f/47976680997.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=baixar+livros+android
- 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_off0000d905.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD905 | 16792 bytes |
font_01_sfnt_off0000f117.bin8c84259b576ce5035b58f57eb4ddf8ab23cb7353de30f810c5576da896207804 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF117 | 20212 bytes |
font_02_sfnt_off00012305.bine4b4386733c00729ba7951c8d046e1233caf01cb136290c409b6bafe644ffeac |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12305 | 10232 bytes |
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