MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by multiple heuristics, including a critical ClamAV detection for 'Pdf.Phishing.Trojan'. It contains a link farm pointing to compromised WordPress upload storage and other disposable hosting, suggesting an attempt to redirect users to malicious content. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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 http://duetsepolno.pl/userfiles/file/52160095742.pdf
- https://ahi.com.ua/wp-content/plugins/super-forms/uploads/php/files/3fa3eddba15b32f3c5c25ceb93e29983/silosisupurusuvus.pdf
- https://www.frankreich-ferien.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160843f16a4e5f---gipemavar.pdf
- http://goref.ru/files/file/vegun.pdf
- https://leicht-spb.ru/wp-content/plugins/super-forms/uploads/php/files/5faa4abda1ebbbf30e85afa0deedd537/natedukajikijuvopo.pdf
- http://momsystem.ru/public/file/dowivum.pdf
- https://asiarsolutions.com/userfiles/file/8725329352.pdf
- http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/c4639a773fb184ca65b98e6e368aa279/90640877359.pdf
- http://actionelectric.pt/www/wp-content/plugins/formcraft/file-upload/server/content/files/160942c95f22ab---59088474890.pdf
- https://imapcb.org/wp-content/plugins/super-forms/uploads/php/files/l5udrbovs1n3p6hdtlnuu4nqr6/48823303983.pdf
- https://gbeequestriansurfaces.com/wp-content/plugins/super-forms/uploads/php/files/884u5l4h6b8loht4qsk2fn2t01/gapowadoxigojeram.pdf
- http://www.iso-clean.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16071c8bf97dfb---manawibowivabekejolanar.pdf
- https://imagebeaute.fr/userfiles/file/limunawulokever.pdf
- http://stroynerud-sm.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1607987caaddab---ramomerupakowirozepajozet.pdf
- https://www.kalirich.com/wp-content/plugins/super-forms/uploads/php/files/3pni0n0hlefgeh0efl8tuo4mc0/zorifuxodipojiramofu.pdf
- https://cald-lighting.com/wp-content/plugins/super-forms/uploads/php/files/923ac6d29ef8c4c7933a906a9d7d7a4b/muxefogog.pdf
- https://alfa-pechati.ru/wp-content/plugins/super-forms/uploads/php/files/bf2f70cd254f1a43d938384eb08906fe/nobekobubozura.pdf
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a8d9ea29747---62404841283.pdf
- https://www.finestkindcharter.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a48ef42aa87---49229871019.pdf
- https://bibliothequedesarts.ch/ckfinder/userfiles/files/9585639359.pdf
- https://vmkstroi.ru/wp-content/plugins/super-forms/uploads/php/files/c75a5e3ab1ed5b030df6710d94c12716/61274492244.pdf
- http://harasim.cz/uploaded/files/pexew.pdf
- http://cargo3030.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1609fb4dff23f5---63063519750.pdf
- https://alyosserspneed.com/userfiles/files/19911711615.pdf
- http://www.lightingandhvacexpo.com/wp-content/plugins/super-forms/uploads/php/files/d3cd5440326d9a702ce38950cc34fe5c/zowoziwevoxebimijeti.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=history+of+the+world+15+commandments
- 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_off0000f5ea.bina3361c67fa4ef6dcfc79054de6149d1389dcbe13dead0cdc9690d9d298f8c661 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5EA | 17384 bytes |
font_01_sfnt_off00012394.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12394 | 16792 bytes |
font_02_sfnt_off00013bab.binf1dc849da634ea75cb217c1a1ca3c873948e30df1a0b05761189806c48a3435a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13BAB | 11116 bytes |
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