MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of links, many of which point to compromised CMS upload directories or disposable domains. This structure is characteristic of a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9822
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 http://bjzjygj.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/sidufevewojufetesapoz.pdf
- http://artecgroupservices.com/imagenes/file/nomubopifoxizew.pdf
- http://mirembeestate.co.ug/wp-content/plugins/formcraft/file-upload/server/content/files/1607e34493a5d3---3669878814.pdf
- https://kund-in.com/userfiles/file/fabusimoxojix.pdf
- http://www.elitagida.com.tr/wp-content/plugins/super-forms/uploads/php/files/2jro94ftqgeprim6icdhj93ce6/gavopoxejuxezuwul.pdf
- http://lab4050.com/upload/editor/file/kelosobikajojidamaxad.pdf
- http://www.vitrierbxl.be/wp-content/plugins/formcraft/file-upload/server/content/files/160bd0daf34c17---zevesazesi.pdf
- https://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/d6d3b813e2a4a3ec6e6aa02f217389dc/wedinidukumaku.pdf
- http://hum-lucknow.org/test/fckeditor/file/finoxezupukibuzawutiruxir.pdf
- http://www.ashtralmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607947d0ee265---74477733937.pdf
- http://graphicon.hu/wp-content/plugins/formcraft/file-upload/server/content/files/160c5eaac65c43---77123890478.pdf
- http://mesotects.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f749b49abf---49022033628.pdf
- http://nuovartea.eu/userfiles/files/4362072579.pdf
- http://phillipsbrothersmill.com/clients/6/65/65192871cce8a6e36080a9ebd2808b02/File/16410498232.pdf
- http://robertfeinberglaw.com/images/edit_images/file/tixopiwete.pdf
- https://www.accidentinjurylascruces.com/wp-content/plugins/super-forms/uploads/php/files/f7t375taaisnnijfrmb2v9l7gj/buzelos.pdf
- http://www.nbrownies.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160d82c725ae08---bukiliwak.pdf
- http://7166867.ru/ckfinder/userfiles/files/gafivojexulejalilurabozuv.pdf
- http://webursitet.org/Files/file/luwefi.pdf
- http://oakgroveschoolheritage.com/clients/b/bc/bc5c94904a1f00f1300372e6f875146f/File/59390986712.pdf
- https://unosms.us/userfiles/file/97163546245.pdf
- https://ngoctraithaibinhduong.com/uploads/news_file/sobajomineranoxiwotuv.pdf
- http://alexlunacoach.com/img/editor/file/puwefefu.pdf
- http://www.x454.com/wp-content/plugins/super-forms/uploads/php/files/0vdj9cq45vk8qugum2lqf56p56/janaserefebu.pdf
- http://vipavtoufa.ru/wp-content/plugins/super-forms/uploads/php/files/58ee7911dc292b1eb0fa3020ee8316cb/kiveribunivasuvemevuxi.pdf
- http://naoshima-habitant.com/fojogetaroxuwilo.pdf
- http://iamsoldierfit.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b082f7acf2d---lavewogodeliki.pdf
- https://zweefvlieg.net/userfiles/file/zakalasarugusixababemena.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=how+to+break+down+junk+in+fallout+4
- 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_off00010320.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10320 | 16792 bytes |
font_01_sfnt_off00011b32.bin16db9dba1f5016862dc1b8b71c302c17cf4dc66a6d12b56da6f5de7b1ca4e7c7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B32 | 16840 bytes |
font_02_sfnt_off000146a5.bindc91a041c9123cbe40798d457dd3a00798ec6f5a996a6dd551376638123d7f5d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x146A5 | 10796 bytes |
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