MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ClamAV and an ML classifier. It functions as a link farm, containing numerous URLs pointing to compromised WordPress sites and other disposable hosting. These links likely lead to phishing pages or further malware downloads, indicating a malicious intent to redirect users to harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://queure.ru/uplcv?utm_term=mets+pitchers+2019
- http://bjbtrh.com/files/pic/file/3766849525.pdf
- http://macautemple.com/userfiles/file/rudodoxatupazoxevituv.pdf
- http://ziepniekkalns.lv/wp-content/plugins/formcraft/file-upload/server/content/files/160bfff4eed965---47822773311.pdf
- https://www.a2zmedical.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16095fcd353f1c---53622935163.pdf
- https://langestrand.se/anvandarbilder/204/files/26485831597.pdf
- http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/4r0e1lnvvhnqrq6lvtqc88clt5/56527248238.pdf
- https://goldengrowers.com/wp-content/plugins/super-forms/uploads/php/files/1b019b6c56823889a8590dff6fc08b2c/66619672665.pdf
- http://allseasonsart.com/uploads/fck_uploads/file/12842773691.pdf
- http://bloomx.com/sites/all/sites/bloomx.com/files/gajogutuwo.pdf
- http://dangkyidol.com/wp-content/plugins/super-forms/uploads/php/files/1nkdo369nlp6lbol291pmtgs7g/pazamimu.pdf
- https://youstore21.com/wp-content/plugins/super-forms/uploads/php/files/c54b5eb04f751c9fb21d8fe91db5e09d/18292344054.pdf
- https://liantoong.com/archive/upload/files/49906410857.pdf
- https://www.areatransfers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c3bfe908da8---28373424611.pdf
- http://friluftsgruppen.se/wp-content/plugins/formcraft/file-upload/server/content/files/160d5b92be3161---xadefovonogexe.pdf
- http://jfkanacon.org/data/userfiles/files/12340217593.pdf
- https://personalloan2u.com/wp-content/plugins/super-forms/uploads/php/files/902fb7281b8fa05a0274a6b93833e916/21292524282.pdf
- http://www.loockuniformes.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/160c492926bc70---57603258808.pdf
- http://entryexpress.online/chapter_images/files/wisiguvulofabumupabas.pdf
- https://nacionalequipamentos.com/ckeditor/uploads/files/95478283559.pdf
- https://anzmrrn.org/wp-content/plugins/formcraft/file-upload/server/content/files/160c9506c7a6bf---fokutuginenusabu.pdf
- http://smolensk-bakaleya.ru/userfiles/file/bamowasasoka.pdf
- http://grimastone.ru/files/47682457011.pdf
- https://mzlpro.com/web/img/podborky/files/pujadugatogis.pdf
- https://beautyreviveshop.com/newerac2c/userfiles/file/guziwepapupimusib.pdf
- 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_off0000ed6d.bine1af39b70d259a5a71166b82702c15fbf1fd44663b9fed5f176c7d3ac842d179 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED6D | 16696 bytes |
font_01_sfnt_off000118d0.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x118D0 | 16792 bytes |
font_02_sfnt_off000130e7.bin3d8ad430462c78329cd0a7d45d6dd158c09e70e3ddf0589d988b1e15ddc24ce8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x130E7 | 10492 bytes |
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