MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm pointing to numerous compromised WordPress sites and other disposable hosting, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent, likely to lure users to malicious content or downloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://alihuata.com/userfiles/file/zixop.pdf
- http://curry-box-deluxe.de/userfiles/file/mosanugin.pdf
- https://ajwatravel.com/wheelmarine/userfiles/file/wemuwexowabogeraxetox.pdf
- https://nuregio.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a92b403ec62---95630053707.pdf
- https://advancedcheckcashadvance.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608533e437d2a---pofesawovufowalikude.pdf
- http://thm-holding.ru/wp-content/plugins/super-forms/uploads/php/files/fbe6f1989348f4b200d82ff86bbaba81/jamazalobigowudanugane.pdf
- http://xn--80akij1ajew.xn--p1ai/wp-content/plugins/formcraft/file-upload/server/content/files/16070607f85153---23886801721.pdf
- https://bibliothequedesarts.ch/ckfinder/userfiles/files/43616172232.pdf
- https://shotclock.ca/wp-content/plugins/super-forms/uploads/php/files/508cbb02168b849770471e7d34737ab0/zifapewizisinunoz.pdf
- http://www.klpreschool.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609847fb8bd4f---82434616878.pdf
- https://studio45.live/wp-content/plugins/super-forms/uploads/php/files/bp9nps33uugkafov1sv880gk78/favoxugexotuj.pdf
- https://braviengenharia.com.br/wp-content/plugins/super-forms/uploads/php/files/pgaat9e6u4kav0dn5trrutevjm/72939121327.pdf
- https://www.fmworks.com.tr/wp-content/plugins/super-forms/uploads/php/files/a996htt6hgrdub36ai58fniibd/xoxudavenemukodogakan.pdf
- http://thanhlamresort.vn/wp-content/plugins/formcraft/file-upload/server/content/files/1606cb33be4dd5---11120321061.pdf
- https://sygimportaciones.com/wp-content/plugins/super-forms/uploads/php/files/hefoc3vv1reqpe903h39su5rq1/74801378826.pdf
- https://nationalcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077f16c4e34d---nimipusegegenaxubizijez.pdf
- http://auxerretv.com/content/public/file/zapisino.pdf
- http://sibmetiz.ru/upload_picture/29978481136.pdf
- http://www.oschouston.com/osc/wp-content/plugins/formcraft/file-upload/server/content/files/16071ae2bd6844---41532110357.pdf
- https://www.hintonassociates.com/wp-content/plugins/super-forms/uploads/php/files/951c6b1387d4c97c941f910aa4b6850e/lisaba.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f763968265---kotagilulesawevidoxep.pdf
- http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/160802e8de7e22---28144913530.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=amboss+aortic+dissection
- 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_off00013cfc.bin04db3f302ee473605bf17ba060cebffa09c159bff718a10712fb3bba8c357083 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13CFC | 16996 bytes |
font_01_sfnt_off00016972.bin8108e1f8cfe41d3bc08db93416488b4f3fecb46b3e933366b1ce106e9f444f01 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16972 | 10604 bytes |
font_02_sfnt_off000181b9.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x181B9 | 16792 bytes |
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