MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links to compromised websites, identified by heuristics like 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM'. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware delivery. The embedded URLs suggest a spearphishing attachment vector, leading to exploitation on the victim's machine.
Machine Learning
- Nyx PDF Classifier malicious score 0.9849
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://huntic.ru/uplcv?utm_term=grand+theft+auto+iv+gta+like+android PDF link annotation
- http://sangiorgioautoservizi.com/userfiles/files/30932395312.pdfIn PDF document text
- http://www.festivalmarrakech.info/wp-content/plugins/formcraft/file-upload/server/content/files/1613e7c96912c9---tunetemotutupokut.pdfIn PDF document text
- http://xutricolor.com/uploadfile/files/7822649160.pdfIn PDF document text
- http://www.groupementpecheduloir.com/ckfinder/userfiles/files/dotavesifape.pdfIn PDF document text
- http://findmecakes.com/userfiles/files/lozifopepen.pdfIn PDF document text
- https://sealordhotels.com/ckfinder/userfiles/files/57849763300.pdfIn PDF document text
- https://maftplayer.net/calisma2/files/uploads/91321480117.pdfIn PDF document text
- http://chupanhnoithat.vn/upload/files/deboraw.pdfIn PDF document text
- https://hk-delight.com/UploadFiles/file/zekikogeroxubibokadej.pdfIn PDF document text
- http://dkind.net/userData/board/file/zafawoxitadi.pdfIn PDF document text
- https://ateneoarbonaida.com/wp-content/plugins/formcraft/file-upload/server/content/files/161398def4bff4---35538657949.pdfIn PDF document text
- http://geluidsadviesnederland.nl/ckfinder/userfiles/files/xununapojimovoteduwuni.pdfIn PDF document text
- http://hengtongblower.com/d/files/73578343796.pdfIn PDF document text
- http://jiangsutravel.kr/userfiles/files/20210920_151701.pdfIn PDF document text
- http://qdxqw.com/uploadfile/file/4358695180.pdfIn PDF document text
- https://jackinthegymtpe.com/uploads/files/202109010200309934.pdfIn PDF document text
- http://dohertylaw.net/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/mepew.pdfIn PDF document text
- http://kbfrutos.sk/images/_file/91581984856.pdfIn PDF document text
- https://cancelaria.pl/galeria/file/83476271782.pdfIn PDF document text
- http://inspirationallabels.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16133c9644e63a---85949126182.pdfIn PDF document text
- http://www.alfapilates.pl/upload/file/lobazukatipumevajedap.pdfIn PDF document text
- http://esoftland.com/userfiles/file/44152094497.pdfIn PDF document text
- http://textingrights.com/userfiles/files/sedip.pdfIn PDF document text
- http://oipipleszno.pl/userfiles/file/58031152830.pdfIn PDF document text
- https://betalinktech.com/blmedia/file/tejiv.pdfIn PDF document text
- https://ewms.vn/wp-content/plugins/super-forms/uploads/php/files/op23avi6d7ub1329vppv2v0iku/ruzokoxiduf.pdfIn PDF document text
- 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_off0000b1b1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB1B1 | 10764 bytes |
SHA-256: a6a408836c419482ca8f0d8c3295d1bc2796d01e47e63c543c0a5dbf9855f512 |
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font_01_sfnt_off0000ca30.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA30 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e242.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE242 | 14812 bytes |
SHA-256: 32b3a6394d05bbd6fc7d47f5a66d4a1352fba825ffcfa1466647f1a1906a52f3 |
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