MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised WordPress sites or disposable hosting, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or distributing further malware. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' confirms the nature of the URLs as a link farm.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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://crysiq.ru/uplcv?utm_term=can+you+recover+data+after+factory+reset
- http://zhxndl.com/uploadfiles/files/golodanisegu.pdf
- http://osullivanspressurewashing.com/wp-content/plugins/formcraft/file-upload/server/content/files/161408ae6306e3---dujozu.pdf
- http://fotografieindex.nl/images/uploads/10009040554.pdf
- http://mishelik.ru/userfiles/file/41240880611.pdf
- http://mya1fc.com/files/ckuploads/files/41250798185.pdf
- https://omnistopbollards.com/application/third_party/ckfinder/userfiles/files/99928323810.pdf
- http://hotelgiottotorino.com/userfiles/files/kigupobewidafisag.pdf
- http://nhatrangpalace.vn/app/webroot/upload/files/nobetuzukifidasogoxuxawi.pdf
- https://www.pietri-automobiles.com/wp-content/plugins/super-forms/uploads/php/files/i13qm5co4315ksuj5onfv2gjmi/90171930654.pdf
- https://archcosmeticstudio.com.au/wp-content/plugins/super-forms/uploads/php/files/fcc72dab0272de1e0b3c55b2ee5c8fa3/nebiro.pdf
- http://seosanhrd.com/userfiles/file/22369385890.pdf
- https://kvartira-zalog.ru/wp-content/plugins/super-forms/uploads/php/files/509451a25601b28c3ff969ff72810ebf/8384514447.pdf
- http://namngonviet.com/user-/files/59531090653.pdf
- http://zulassungsdienst4you.de/bilder/file/25873855926.pdf
- http://cuspsurgeons.com/userfiles/file/12291602924.pdf
- http://digitalpolicycouncil.org/imagenes/file/panuku.pdf
- http://veterinariacasettamattei.it/userfiles/files/guruwitepegalowobumabe.pdf
- https://alquimia.in/admin/fckeditor/editorfile/79298340194.pdf
- http://mskabel.cz/UserFiles/File/koporilugakizisaxupubaniz.pdf
- https://stvorki.ru/files/file/zasunabodozoleroriridadoz.pdf
- http://jinshi66.com/uploadfiles/files/piwofibenupajux.pdf
- http://jonme.net/ckupload/files/sexatarujovupataliluli.pdf
- https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/c6d25b76a0bba27a8ee91004d9669ddb/5901031005.pdf
- http://aci-immobilier-douai.fr/userfiles/files/visalawesikovad.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_off0000cd5d.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCD5D | 16792 bytes |
font_01_sfnt_off0000e574.binb967d1932caa3db4a20e0723b3f6f155356cc59742d804ea81b23a1f34536a96 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE574 | 10644 bytes |
font_02_sfnt_off0000fe0d.bina2f1008080854134227f105ed1b1c991caea2840db7c81da6c284cee6f0cf3a8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE0D | 16728 bytes |
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