MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous URLs, many pointing to compromised websites or disposable hosting, suggesting it functions as a link farm. The presence of 'utm_term' parameters in some URLs indicates a potential phishing or SEO manipulation tactic. No scripts were extracted, but the overall structure and URL distribution strongly suggest a phishing or malware distribution lure.
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 http://audiohrestomatiya.ru/content/file/23184870947.pdf In PDF document text
- https://atlastoursntravels.com/userfiles/file/11972220737.pdfIn PDF document text
- http://www.protectakoteasia.com/ckfinder/userfiles/files/16678717319.pdfIn PDF document text
- https://shotclock.ca/wp-content/plugins/super-forms/uploads/php/files/47185e4861c3b69804ed9fe9a674d212/fufinatebi.pdfIn PDF document text
- http://camara.acessoainformacao.org/uploads/ckfinder/files/fuvumaka.pdfIn PDF document text
- https://contemporaryteas.in/admin/uploads/file/mixik.pdfIn PDF document text
- http://foodzipo.com/uploads/userfiles/files/92199296635.pdfIn PDF document text
- https://www.ideaklinikbakirkoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613354c3b3128---84258246868.pdfIn PDF document text
- https://gobelsprofil.com/upload/files/zazuletetedivodusenagobe.pdfIn PDF document text
- http://kwong-cheong.com/userfiles/6302504923.pdfIn PDF document text
- http://busto-wl.gattinonimondodivacanze.it/themes/userfiles/files/wefimemenud.pdfIn PDF document text
- http://telesson.net/_UploadFile/Images/file/81573124007.pdfIn PDF document text
- http://geteffective.biz/uploadfiles/file/44525522885.pdfIn PDF document text
- https://cs168.tw/upfiles/editor/files/77494923472.pdfIn PDF document text
- https://optimuselearningschool.com/learning/site/images/uploadfiles/66684681988.pdfIn PDF document text
- http://mdbim.pl/ubezpiecz/obrazy/file/nelidikavizodatujez.pdfIn PDF document text
- http://pdww.ru/ckfinder/userfiles/files/vaxikorokukevaj.pdfIn PDF document text
- https://elsadaulte.com/ckfinder/userfiles/files/54005155167.pdfIn PDF document text
- https://saraelv.no/wp-content/plugins/formcraft/file-upload/server/content/files/16133c67008616---48656637665.pdfIn PDF document text
- http://neoclassicalmansions.com/uplds/file/25383915419.pdfIn PDF document text
- https://abcoegypt.com/userfiles/files/dawakajelu.pdfIn PDF document text
- http://nutronicltd.com/userfiles/file/94035618024.pdfIn PDF document text
- http://lblussana.it/images/file/89442750411.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=dark+heresy+pdf+itaPDF 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_off0000ddd8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDD8 | 17916 bytes |
SHA-256: a1b1cc30e012b425f3ae25210d3bb8ce3273eb186f6a1103791544486cdee2e1 |
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font_01_sfnt_off00010c36.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C36 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001244d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1244D | 10532 bytes |
SHA-256: 2fa14d6f1009512c1242dd36d83c31113c12b68413477e601d981b15dc9fa7ee |
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