MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was identified as malicious by ClamAV and an ML classifier. It functions as a link farm, containing numerous embedded URLs that point to compromised WordPress upload directories and other disposable hosting. These links likely lead to phishing pages or further malware downloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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://archism.ru/uplcv?utm_term=how+many+layer+cakes+to+make+a+queen+size+quilt
- https://petroblend.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b914b51bc5d---3959222777.pdf
- http://www.ausafrica.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1609b38112c856---bipakelele.pdf
- http://knoxvillecentralhs1966.com/clients/8/8c/8c0a3a1fea337096d337135aeb812fb1/File/92872506886.pdf
- https://pfgmm.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a4dfd407cbe---rufirojorebodazototusakax.pdf
- https://ilexgold.com/app/webroot/files/userfiles/files/88828079308.pdf
- http://azbuka-d.ru/ckfinder/userfiles/files/rifunefonimukijuramuj.pdf
- http://caffepontoni.com/uploads/file/44579245160.pdf
- http://totaleclipsenv.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a302dab55dd---lugagizosajuvawadovura.pdf
- http://emailreceptionist.net/userfiles/file/guvujolurerexijuzimuxuna.pdf
- https://sipare.com.ar/wp-content/plugins/super-forms/uploads/php/files/2omqe5tjgbah68m249vl8r82d8/90067177229.pdf
- http://www.risingstars.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1608aede5ccce9---nulired.pdf
- https://szaniterplaza.hu/ckfinder/userfiles/files/6127863382.pdf
- https://www.lightingdynamics.com/wp-content/plugins/super-forms/uploads/php/files/e0f1f0c47e5c5a3aa2500b9d46ff3756/palazamuboluluferasowiba.pdf
- https://k-kompany.ru/wp-content/plugins/super-forms/uploads/php/files/44d7175b880d02f9e000c02feaa89bd2/jukijukuwike.pdf
- http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/mlq05she7fcefrb91je7hh1ovr/poxizalasovepanitinuja.pdf
- http://xn--9p4b29dncp2cc6y.net/upload/fckeditor/file/93319045108.pdf
- https://iamluno.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cbb3461804---mubekadokanarodixupesefa.pdf
- http://bamt.be/wp-content/plugins/formcraft/file-upload/server/content/files/1609f1cd126cf3---2113710533.pdf
- http://meadescafe.com/userfiles/file/maworanone.pdf
- https://musikkursus.dk/userfiles/file/46113808211.pdf
- https://gamletaarnhuset.no/wp-content/plugins/formcraft/file-upload/server/content/files/160986dc0b7f8e---watuzaponapiwakasugisuzum.pdf
- http://pivotal-technologies.com/userfiles/file/rupifusiroxeluf.pdf
- https://home18.ru/wp-content/plugins/super-forms/uploads/php/files/41b385b1ba9e7e4a06d90d73f679d141/fulusakifisesa.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_off0000fd48.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD48 | 16792 bytes |
font_01_sfnt_off0001155a.bin74e63fd65e8fe2520cfa0f8f635c6b0a73bddd5d3cfd30ab0dd0174bcc98d84f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1155A | 18264 bytes |
font_02_sfnt_off0001458b.bin9242b57d2d586c03e2ba47bef3c70fe768a7a2100b4350394ab844013eef14d7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1458B | 10980 bytes |
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