MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
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 uploads and disposable hosting, suggesting it's designed to redirect users to malicious sites. The presence of multiple external URIs and the overall structure indicate a phishing or redirection attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9833
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://jetzterstrecht.hamburg/wp-content/plugins/super-forms/uploads/php/files/8m5eod0s9ifslpn7tf4n149jds/95237010362.pdf
- http://mesamiesdallas.org/clients/e/ee/ee8f1390623de39be1ac2b47a321719d/File/wegutole.pdf
- https://toskov-yordanov.com/userfiles/file/pebiburerisuxodefajij.pdf
- https://west-holding.com/userfiles/file/bemosegozero.pdf
- http://weighlessthisyear.com/ckfinder/userfiles/files/jawinululuvu.pdf
- https://plasy.com/uploads/file/54179070645.pdf
- http://studiolorenzino.eu/userfiles/files/8496470608.pdf
- https://sonarmusic.hu/up_image/file/wodopitemoteka.pdf
- http://akcjonariusz.com/UserFiles/file/letumoxira.pdf
- http://ipvoicenj.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608996228b2f3---lokovidavokot.pdf
- https://gamletaarnhuset.no/wp-content/plugins/formcraft/file-upload/server/content/files/16081c5234a737---torediwupoxoxalijag.pdf
- http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/0e89fe42edfaf6e7160ee72225b3144f/24964860857.pdf
- http://www.thelawchamber.com/wp-content/plugins/formcraft/file-upload/server/content/files/160adb234b470e---lojonipekovax.pdf
- http://www.virtualaid.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1606fd7f338668---xuzujonevose.pdf
- http://aklond.com/UploadFilesfile///2021052109555151.pdf
- http://www.orhancoskun.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dafc707a7da---67067356661.pdf
- http://iwish-cosmetics.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c2f8cd75299---lokosulovokogife.pdf
- https://mission4recruitment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e62bc2169a---wititutopuwosiniz.pdf
- https://www.hintonassociates.com/wp-content/plugins/super-forms/uploads/php/files/020bcb5101895e2fc416b5db049af492/rajigogulepujifenode.pdf
- https://www.opdrrustukalac.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b2b5d0969d7---53259415515.pdf
- http://anhuifan.com/upload_fck/file/2021-5-6/20210506222020432120.pdf
- https://avenue102.com/uploads/file/76762556932.pdf
- http://wang023spa.com/userfiles/202107file/2021070519002570554.pdf
- https://projectmine.hu/ckfinder/userfiles/files/57173259330.pdf
- https://tradingphrases.com/userfiles/files/42007126046.pdf
- http://serendipityorlando.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b1c3960e927---lebuzedekusatame.pdf
- https://www.tifdip.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093e52594627---91443826723.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=ratio+and+proportion+worksheet+class+6
- 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_off0000dd73.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD73 | 16792 bytes |
font_01_sfnt_off0000f585.bin3f80f20249ecb00bf56b886ec642d6d2bbfdfcafa967e7bef49b631fb6ab4c71 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF585 | 17240 bytes |
font_02_sfnt_off00012151.bince827ef8533c586dd315e5ad8d821022d87f87c580666adf81990625f675d531 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12151 | 11000 bytes |
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