MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by multiple heuristics as a link farm, with many URLs pointing to compromised CMS uploads or disposable domains. The ML classifier and ClamAV also identified it as malicious, specifically as a phishing trojan. The file's purpose appears to be to lure users into clicking on these links, which likely lead to phishing sites or further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
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://adance0112.com/upfile/editor/file/64617347333.pdf
- http://www.sunargrup.com.tr/wp-content/plugins/super-forms/uploads/php/files/e3vnhhavbhr3gopt6co4g0oe72/5150028014.pdf
- https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/3db5c8acc569861fb2bc450329adb67d/wixemexijimimewalugibixaf.pdf
- https://www.diktu.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608401213b0f8---dokazeg.pdf
- https://www.intermediastudios.com.mx/wp-content/plugins/super-forms/uploads/php/files/90588d178131dc3d55661eab3efd2427/493558277.pdf
- https://anakmeong.com/contents/files/fudomexuxiloremij.pdf
- http://veronicanealhome.com/wp-content/plugins/formcraft/file-upload/server/content/files/2/160a2bad261d9d---11128848656.pdf
- http://thankschicken.com/uploads/files/gojusufusaperuga.pdf
- https://saraelv.no/wp-content/plugins/formcraft/file-upload/server/content/files/16088c34e5eddd---wagajodudanexivomeseto.pdf
- https://t4g.nasscomfoundation.org/wp-content/plugins/super-forms/uploads/php/files/6bu5sn5g17pkmltrumepotg5o6/89863870270.pdf
- http://aristosaigonhotel.com/uploads/files/fasisixowumifedipe.pdf
- http://autosoftware.company/autoresponders_images/files/xitoxofozitoliva.pdf
- http://miamiwars.pl/wp-content/plugins/super-forms/uploads/php/files/d753670bad8994dfe15a32af6032a1a2/16233281678.pdf
- http://hotdeals24x7.com/ci/userfiles/files/30381525466.pdf
- http://uniondeautoescuelas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a1e6a6fa26---90388326170.pdf
- https://zionapostolicministries.org/uploads/files/lowufakeximutiwikixevonu.pdf
- https://www.idromeccanicasrl.com/idromeccanicasrl.com/wp-content/plugins/super-forms/uploads/php/files/1982367c2675d653c3de546e3a901c57/59548620480.pdf
- http://bhs1966maui.com/clients/64750/File/15510427338.pdf
- http://grani-tonkogo-mira.ru/wp-content/plugins/super-forms/uploads/php/files/33c52f5a206c86c9a165d2d58a1b7abd/funuwulu.pdf
- https://migger.dk/userimages/file/lozoxekutiwomututusenuliw.pdf
- https://deedpoll.sg/wp-content/plugins/super-forms/uploads/php/files/116b8509740b94215a1ef39a1bb9bfa1/xafitovoxakaketonasosu.pdf
- http://marymo.ru/uploads/files/29441145068.pdf
- http://phenix-security.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16081e2869a880---wixotofinixerurikizupu.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=unity+in+diversity+points
- 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_off00010baf.bin68032112cd0b8859c82fd4dc7b7204550214879fd7fae4d021b737f297f74ca6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10BAF | 10364 bytes |
font_01_sfnt_off00012336.bin22490778e14dec37e5e8c71128df88f13f84bc06a9c523e55adb1bc4dd8d9f95 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12336 | 17588 bytes |
font_02_sfnt_off000150dc.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x150DC | 16792 bytes |
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