MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, indicating a high likelihood of malicious intent. The heuristics indicate the document functions as a link farm, directing users to multiple external websites, some of which are hosted on compromised CMS uploads or disposable domains. The presence of numerous unknown URLs suggests a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://gintaras.cz/userfiles/file/45021946306.pdf In PDF document text
- http://diysmart.net/userfiles/file/jexizekiroxitev.pdfIn PDF document text
- https://traffictkt.com/viking1/uploads/files/54838485135.pdfIn PDF document text
- http://cantinachitarra.it/userfiles/file/pasomonopozujate.pdfIn PDF document text
- https://amzentransportationindustries.com/admin/imagetemp1/file/33388624828.pdfIn PDF document text
- http://ty-int.com/files/files/povul.pdfIn PDF document text
- http://seattledesis.com/fckeditor/file/47106524332.pdfIn PDF document text
- http://skkl.cn/filespath/files/20210902125150.pdfIn PDF document text
- http://markjfox.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/90622591528.pdfIn PDF document text
- http://metabolit-plus.ru/files/file/suzukegi.pdfIn PDF document text
- http://www.vandiestbrandstoffen.be/uploads/files/xusezoso.pdfIn PDF document text
- https://www.pfgpartners.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/161401b62b40e1---41258900036.pdfIn PDF document text
- http://www.alwaysflorida.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613675df12732---99161802749.pdfIn PDF document text
- http://gps-ambroisie.com/ressource/site-image/files/fafasevavinepegivetupobi.pdfIn PDF document text
- https://studio45.live/wp-content/plugins/super-forms/uploads/php/files/t7mduvvekv7f486dun37cmqeen/33688851686.pdfIn PDF document text
- http://rszm88.com/upfolder/e/files/20210907104951.pdfIn PDF document text
- http://cellesekorea.com/ckupload/files/37373717514.pdfIn PDF document text
- http://milcontabil.com.br/wp-content/plugins/super-forms/uploads/php/files/ocvu196839htn2qba5r342jkk4/muzijunezis.pdfIn PDF document text
- http://www.ppk-kp3k.kkp.go.id/ver2/extra/ckfinder/core/connector/php/media/ckfinder/files/jeletokogerovesap.pdfIn PDF document text
- https://abouelhoulgroup.com/userfiles/files/409194518.pdfIn PDF document text
- http://bpsstudio.hu/uploads/pilok.pdfIn PDF document text
- http://4998horo.gmmwireless.com/contents/files/82851252045.pdfIn PDF document text
- https://sketchup360.vn/wp-content/plugins/super-forms/uploads/php/files/643vbhgt9jjund924ne3ajpodg/xewuwelapota.pdfIn PDF document text
- https://ekinyalitim.com/depo/sayfaresim/file/gelogimu.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=hill+climb+racing+2+mod+apk+anti+banPDF 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_off0000d6b3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6B3 | 10900 bytes |
SHA-256: cb016187bfdf58fc653612241c00fb1c1a1755f54e613b06e98864260f3e018a |
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font_01_sfnt_off0000ef70.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF70 | 18620 bytes |
SHA-256: 7a808fbcb78e82459b486bd6526aefd139220977a1494c6470f3f6dad25be787 |
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font_02_sfnt_off00012076.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12076 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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