MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. Heuristics identified it as a link farm pointing to compromised CMS upload storage, suggesting it's used to host or distribute malicious content. While no scripts were extracted, the structure and URL patterns are indicative of a phishing or malware distribution lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://www.hangmandigital.com/files/file/48297564154.pdf In PDF document text
- http://aqbnb.com/uploadfile/file/74870782099.pdfIn PDF document text
- http://thm-holding.ru/wp-content/plugins/super-forms/uploads/php/files/874238e3e3aa3005428a9aadd5956387/lumebadamovusidim.pdfIn PDF document text
- http://qhs1978.com/clients/d/dd/dd8db5a278a7ad55a2ada34b8e38ebcc/File/49661831825.pdfIn PDF document text
- https://hotelritariccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a4aa4304b5c---muxikixikokiraz.pdfIn PDF document text
- https://centrobrands.com/wp-content/plugins/super-forms/uploads/php/files/4628751ada945a60bdb3cc5b34697968/faroreluzisokil.pdfIn PDF document text
- https://tl-systems.hu/files/files/83554397394.pdfIn PDF document text
- http://blog.crowdly.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083384ba2296---widadupuz.pdfIn PDF document text
- https://badoza.net/userfiles/file/46689499748.pdfIn PDF document text
- http://sakirnoopo.ru/wp-content/plugins/super-forms/uploads/php/files/20bfb82bcc42c46862d4a45e9ce4b71d/92745116396.pdfIn PDF document text
- https://vandolderskb.com/images/usr/tuxugoreviv.pdfIn PDF document text
- https://hpx.com.ua/wp-content/plugins/super-forms/uploads/php/files/7d26f62d03af9985a389cfcbb53dce7c/38912142701.pdfIn PDF document text
- http://clinicaveterinariailmarzocco.it/userfiles/files/dorarapukezewumituzonomo.pdfIn PDF document text
- https://www.tessilgiada.it/wp-content/plugins/formcraft/file-upload/server/content/files/1609cd34c60aac---dakaxaxarubegobogiza.pdfIn PDF document text
- http://zjpjxt.cn/upload/uploadfile/file/juteva.pdfIn PDF document text
- http://nuyewrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/1b3119c4b7a34b1fd2836faaeda80d31/174623265.pdfIn PDF document text
- http://pvsystreports.com/wp-content/plugins/super-forms/uploads/php/files/sutisadi7ef81dn059ks3k5pr4/pubesozunekojosaretaz.pdfIn PDF document text
- https://lawina-radom.pl/files/file/99664698351.pdfIn PDF document text
- https://kes-stv.ru/wp-content/plugins/super-forms/uploads/php/files/c704d763bf844e5c6f403d7aaa8ee82d/ruzaraxamijawapigeduboriz.pdfIn PDF document text
- http://faisaltowel.com/survey/userfiles/files/bekisubuxib.pdfIn PDF document text
- https://china-glass-mosaic.com/userfiles/files/20210704_131219.pdfIn PDF document text
- https://miamivanservice.net/wp-content/plugins/formcraft/file-upload/server/content/files/160b8887e01d12---kotanijegunuvarunetuboku.pdfIn PDF document text
- https://acornschoolcharleston.org/wp-content/plugins/super-forms/uploads/php/files/c7a09987980ce016a40b05dacbc7ff77/metisulinovifofav.pdfIn PDF document text
- https://www.bountyvacation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d5fb1ed2040---fevonapodus.pdfIn PDF document text
- https://stellabakingcompany.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098335d5e800---87692882648.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=usable+water+on+earthPDF 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_off0000ed4c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED4C | 17020 bytes |
SHA-256: 9bf2a9eb91959cf296044fd120abd66c81e81793542c972c9ef047a515e19d4a |
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font_01_sfnt_off0001193d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1193D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013154.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13154 | 10348 bytes |
SHA-256: 66bd60fe947a08b8ed5d2c5a6f8ca66f713dea3a5c20443c6db37541ff20c6ec |
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