MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links pointing to compromised WordPress sites, suggesting a link farm designed to redirect users to malicious content. The presence of these links and the detection by security tools indicate a high likelihood of malicious intent, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
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://truck-diagnostic.ru/wp-content/plugins/super-forms/uploads/php/files/87848d1f1e4da2a0235f474200caf862/siwomefalazomipurez.pdf In PDF document text
- http://accessoriesunlimitedinc.net/catalog/file/luxebofufivibogoluv.pdfIn PDF document text
- http://ingfrimale.com/userfiles/files/34055532686.pdfIn PDF document text
- http://muzeumostrowiec.pl/obrazy/file/67576222180.pdfIn PDF document text
- https://regeneracion-capilar.com/wp-content/plugins/super-forms/uploads/php/files/b4f21a60cdd1f212113325a85c02f5cc/82425179408.pdfIn PDF document text
- http://analogsys.com/uploaded/file/8395329086106abdcef436.pdfIn PDF document text
- http://ipceurope.eu/assets/file/99005609772.pdfIn PDF document text
- http://bortran.com/upload/image/file/20210714094416.pdfIn PDF document text
- http://visusmarble.com/images_upload/files/62921460107.pdfIn PDF document text
- http://ipmarketing.net/FCKeditor/editor/filemanager/connectors/userfiles/file/4830878567.pdfIn PDF document text
- https://activepymes.com/pub/file/40653482667.pdfIn PDF document text
- https://israelonthehouse.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085f11f9eb0f---31812173910.pdfIn PDF document text
- http://ecbpolska.pl/wp-content/plugins/super-forms/uploads/php/files/6640f9ff387ce71c8845f1633d729a92/nanapagapulejovi.pdfIn PDF document text
- http://evola.it/userfiles/files/99817729982.pdfIn PDF document text
- https://gmonlinestore.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ba55fbdc1ef---kaxopesamisop.pdfIn PDF document text
- http://zonwering-nederland.com/ckfinder/userfiles/files/83164773758.pdfIn PDF document text
- http://fhhsclassof70.com/clients/4/42/42ce21dc30e429aa976ba070b22ccf93/File/12372843857.pdfIn PDF document text
- https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/f4bb868bb7da3ee7fc5f23cfd21dcc77/vowiwudepabu.pdfIn PDF document text
- http://photographybynami.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b648770ac42---ragaxitezefinadawedamoki.pdfIn PDF document text
- https://heritagelogs.com/wp-content/plugins/super-forms/uploads/php/files/12sui1pqk8uftf2eo9sumvoh7p/jedogutivusurezakozo.pdfIn PDF document text
- http://waypl.pl/upload/File/46879283862.pdfIn PDF document text
- https://4cmedica.com/ficheiros_upload/file/zotowexupam.pdfIn PDF document text
- http://veraschwemmle.de/fckdata/file/88360602260.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=at+some+time+in+the+future+not+now+butPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0001f996.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1F996 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000211ad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x211AD | 10580 bytes |
SHA-256: 6d531d563d043f66b411b53d0e1d5c0da39118234ba0f3095fda38e7573c2067 |
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font_02_sfnt_off000229ad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x229AD | 23640 bytes |
SHA-256: 0c15c59e4b292b667fbb5d93e468253bb73e5abac6f32413e3423ec52692bf11 |
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