MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, directing users to multiple external URLs, some hosted on compromised CMS platforms. The presence of numerous links, including one with a 'utm_term' parameter suggesting tracking, points towards an attempt to lure users to potentially malicious sites for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://pistant.ru/uplcv?utm_term=ola+tv+ad+free+apk PDF link annotation
- https://ocw.tw/uploads/files/83789867410.pdfIn PDF document text
- https://ipekyolumedya.com/resim_galeri/file/12260766398.pdfIn PDF document text
- http://bkht.vn/userfiles/file/ximuduzedeka.pdfIn PDF document text
- https://flardochform.se/userfiles/file/zoguz.pdfIn PDF document text
- http://dieta-plus.pl/userfiles/file/55751498835.pdfIn PDF document text
- https://elitteaccesorios.com/wp-content/plugins/super-forms/uploads/php/files/lhs4li6phcf56lk8hff7rvft80/3663675890.pdfIn PDF document text
- http://getwealthythisyear.com/ckfinder/userfiles/files/68319758781.pdfIn PDF document text
- http://eventologia.com/userfiles/files/16465852227.pdfIn PDF document text
- https://asi-filter.pl/files/file/rarelufefagiwelerasigeru.pdfIn PDF document text
- https://erdenet.mn/userfiles/file/86724613495.pdfIn PDF document text
- https://cam-ceeds.org/ckfinder/userfiles/files/24892893368.pdfIn PDF document text
- https://maydangson.com/vietkiendo/upload/file/30475496226.pdfIn PDF document text
- http://compie.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16135cae83340d---38082116089.pdfIn PDF document text
- http://bluebirdcanada.com/FileData/ckfinder/files/20210903_58C0800C794A03B0.pdfIn PDF document text
- https://langumeistras.lt/i/File/44935449324.pdfIn PDF document text
- http://wojno-stal.pl/pliki/file/82580300634.pdfIn PDF document text
- http://dreiseengrundschule.de/files/28721033913.pdfIn PDF document text
- https://www.highlandernepal.com/assets/ckfinder/userfiles/files/99111595975.pdfIn PDF document text
- https://www.advids.co/wp-content/plugins/formcraft/file-upload/server/content/files/1612f2a7996cde---43909930539.pdfIn PDF document text
- http://caerulumpharma.com/upload/files/66581090310.pdfIn PDF document text
- https://lidiyageorgieva.com/ckfinder/userfiles/files/didetok.pdfIn PDF document text
- http://tunapvietnam.thietbiotoviet.com/Images_upload/files/mebitesowusonimevojegowu.pdfIn PDF document text
- https://www.albriug.com/static/editor/ckeditor/ckfinder/upfile/files/65098831455.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_off0000d4b1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD4B1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ecc8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECC8 | 10188 bytes |
SHA-256: adca4b8b28ff71a2c45e7e31768da783af6f6da790157428867fc1ecd6fd9e61 |
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font_02_sfnt_off000103d3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103D3 | 17592 bytes |
SHA-256: f31ff14bd4fd7724e05b5ee10933858fc674da50eb57932317cfa32a209a398b |
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