MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link farm pointing to multiple compromised websites, suggesting an attempt to distribute malicious content. The 'SE_INVOICE_LURE' heuristic and the presence of URLs related to 'vehicle delivery note' indicate a phishing pretext. While no scripts were directly extracted, the ML classifier and ClamAV detection strongly suggest malicious intent, likely involving the download of further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9972
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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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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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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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://www.rockandroll.blog.br/wp-content/plugins/super-forms/uploads/php/files/iimer9u8k5l8bhpfkjoed5a4qr/savometujozema.pdf
- https://glasschneider.koeln/wp-content/plugins/super-forms/uploads/php/files/tp4bm5q27chiejrqse7ckst14j/59004656756.pdf
- http://gandolfiarchitetti.com/userfiles/files/17394012569.pdf
- https://3dreamvr.com/wp-content/plugins/super-forms/uploads/php/files/9cbb95080ff7850b28654e777157ad8a/16005904495.pdf
- http://www.infranetltd.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad01fe21ac8---14142055609.pdf
- https://felix-schulze.biz/wp-content/plugins/super-forms/uploads/php/files/77ir35ehsb9q4lrnt9tibfhdcp/20551388166.pdf
- http://dietetyka-24.pl/images/files/rowefedonogalaniseb.pdf
- http://vimar.ua/userfiles/files/10670694105.pdf
- http://www.bestlifepolicy.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160d73f575f920---71457127003.pdf
- https://questyme.com/userfiles/file/walerajogagamigu.pdf
- https://event-connections.net/wp-content/plugins/formcraft/file-upload/server/content/files/16092b9cc5048b---gesokelorovobel.pdf
- http://jointrilogy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d0ef28ea4c---gewizowuguxetone.pdf
- http://math-talk.kr/wp-content/plugins/super-forms/uploads/php/files/72socf875n0a3gov7c6mnn1jsr/5686438334.pdf
- http://seoulgreeter.com/userData/board/file/77894878112.pdf
- http://stylowa-pss.pl/userfiles/file/kisuxegoginusaxopataxeji.pdf
- http://thehawthornnyc.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e09e0b67fa---80982380026.pdf
- https://gute-reise.ru/i/files/files/51752906396.pdf
- https://vaytieudungtragop.com.vn/wp-content/plugins/super-forms/uploads/php/files/6odvh0fn642u6o7lq5tjg8en8p/tunisupibo.pdf
- http://drinkandshrink.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16071236be5687---jotalizafedumujigemu.pdf
- http://www.naturapreserved.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081c97af3211---72433063527.pdf
- https://www.heracles-hotel.eu/wp-content/plugins/super-forms/uploads/php/files/cicfmpcs117csek7tpfpjpo8iv/60310891308.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=vehicle+delivery+note+template
- 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_off0000e7a5.bin0e4ce0795c1dcd383d8473d4e775ad3796699f911db808b2f3a0c2f573f1bee6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7A5 | 16588 bytes |
font_01_sfnt_off000112bc.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x112BC | 16792 bytes |
font_02_sfnt_off00012ad3.bin068bcfd01dbfe1d537e37c4b8f77e8340eacef6ed0d36305c2f1fd00f870ab81 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12AD3 | 10760 bytes |
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