MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV detecting it as a phishing trojan. It contains numerous links, many pointing to compromised WordPress upload directories and disposable hosting, suggesting a link farm designed to redirect users to malicious sites. The presence of embedded URLs and the nature of the heuristics indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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 https://suprizpin.com/calisma2/files/uploads/76718669401.pdf
- http://opt-russtd.ru/data_center/upload_pictures/file/vajaf.pdf
- http://basumati.com/app/webroot/ckfinder/userfiles/files/53353473006.pdf
- https://www.areatransfers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2bc265477b---94774428533.pdf
- https://sip7.pl/autoinstalator/sip7.online/wp-content/plugins/super-forms/uploads/php/files/3d17569d416209e44a9ed914b592e247/17933078840.pdf
- https://graveyards-fuj.ae/userfiles/files/74130014090.pdf
- https://provisionsinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b62b960557b---26013096604.pdf
- https://store-connector.com/_upload_bilder/_filemanager/file/besisidazosuxaragasa.pdf
- http://www.hptindia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160982f37ccefb---61600731664.pdf
- http://obras.ru/sites/default/files/uploads/kirotifexif.pdf
- http://szzxwx.com/Upload/Upload/file/20217292150417137.pdf
- https://enville.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac01e58ce13---18728575141.pdf
- http://cyc.cz/pictures/clanky/files/vozagiwapatekuvunazovefi.pdf
- http://centromedicoveterinarioadda.com/userfiles/files/bozesira.pdf
- https://beautyyaurient.com/editor_upload/file/sijijop.pdf
- http://aire-limpio.com/img/editor/file/lalakatugozewubexef.pdf
- http://xz-brand.com/ckfinder/userfiles/files/78325857280.pdf
- https://apparel.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/ccee4a113064a69f0de7d9b0faad44b8/vafibu.pdf
- http://constructionone.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608f5ec84ae81---77235460255.pdf
- https://fa-vietnam.com/webroot/img/files/dolodeli.pdf
- http://goldnumber.info/userfiles/file/soxobusixifaxolo.pdf
- https://fjordancv.info/wp-content/plugins/super-forms/uploads/php/files/5b4397ab84b8f30e342f96baffd127b7/repakimefo.pdf
- https://stellabakingcompany.com/wp-content/plugins/formcraft/file-upload/server/content/files/160af8b80ea15b---wavijamuf.pdf
- http://amako-ra.com/wp-content/plugins/super-forms/uploads/php/files/c458ecdb60c08dbebb13dba88e0a22bf/40251800134.pdf
- http://remproekt-m.ru/admin/ckfinder/userfiles/files/74769500871.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=appositive+phrase+worksheet+with+answers+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_off0000d138.binb03a7f41c4b24f324b7f04c00d11f323684019aface93247e02968461fc36b29 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD138 | 16520 bytes |
font_01_sfnt_off0000fbc0.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBC0 | 16792 bytes |
font_02_sfnt_off000113d7.bindc93c4c8aec582aa0279f2f188f209bfba62c6f19286afd2376e08922b339938 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x113D7 | 10776 bytes |
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