MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, many of which point to compromised websites or disposable hosting, indicating a link farm or phishing attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. While no scripts were directly extracted, the PDF structure and embedded URLs are indicative of a phishing or malicious redirection scheme, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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 https://matras-matrasych96.ru/admin/ckfinder/userfiles/files/kuwivubogebap.pdf
- http://ebbers-schilderwerken.nl/uploads/files/rosezeromejujukujam.pdf
- http://magogaralbamoble.com/galeria/files/kekisixarazefomedodagowa.pdf
- http://www.immiflex.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a85fb2872af---xisanibanafe.pdf
- https://betonwerkendejonge.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1609cb343aa49f---31504193187.pdf
- http://giustizianuova.it/userfiles/file/kutawo.pdf
- http://beachfirebrands.com/userfiles/file/satap.pdf
- http://dwhs79.com/clients/15834/File/moxanunizajagabedagazu.pdf
- https://amirep.com/wp-content/plugins/super-forms/uploads/php/files/a91f1d5a3c1e3c905624b86a608dd113/fumabefar.pdf
- https://avonsteel.com/UserFiles/file/75133076082.pdf
- http://ssujaxchapter.com/clients/83257/File/filixenukejenede.pdf
- http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/foau6p2q452etvd44ieut9rob0/gokasamonumurotenokiziko.pdf
- https://aimara-bg.com/userfiles/file/27758762648.pdf
- http://azstorestudio.com/uploads/files/momemirovuzevudam.pdf
- http://xn--b1ahhafccpgkb2bxo.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/5db20ed6ed66ae62a26115cfbf650b61/74964885404.pdf
- https://vannordenvastgoed.nl/userfiles/file/86489394407.pdf
- https://space1500.com/wp-content/plugins/super-forms/uploads/php/files/194d51d1c2b9f400c1c498fe2a22d87b/84905519346.pdf
- http://aitrans.cn/UploadFile/file/F1202106211356579322.pdf
- https://hankilfood.com/upfile/files/bejejexixesewovodux.pdf
- https://adepotcustom.com/UploadFiles/file/20210620082241107.pdf
- https://contabil-fiscal.ro/mm/file/xuzonikub.pdf
- http://www.megasaludips.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092fa49ad030---togijotamenededuragudopi.pdf
- https://ladychief.com/wp-content/plugins/super-forms/uploads/php/files/bb552bc8fad8c2d1892d0e22cebfb6e7/gonuzoguxipiwipal.pdf
- https://www.harasportcenter.com/wp-content/plugins/super-forms/uploads/php/files/l1g8ud2b3q8b3650clpmivrqde/6094112091.pdf
- http://xn--b1ahhafccpgkb2bxo.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/8bb49f3d564bf241374607e58196e792/4848273829.pdf
- https://afd.me.uk/wp-content/plugins/super-forms/uploads/php/files/ubid9uss6vt1naou7dah59bcj5/tatuwukamagatigokabes.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=tubidy+video+engine+search+download
- 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_off0000f160.bin88eae7229946f8ca3ccfba8027df3045b41698b1b68807d31b0585b9b1880ec8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF160 | 17264 bytes |
font_01_sfnt_off00011dd9.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11DD9 | 16792 bytes |
font_02_sfnt_off000135f0.bindf256b4d72ae42942ddc7037fc00adf54a4bc3fe843b8db9a0541c72539b11d7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x135F0 | 11020 bytes |
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