MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs that point to various domains, many of which appear to be part of a link farm designed to redirect users. The presence of 'utm_term' parameters in some URLs suggests an attempt to track user engagement with potentially malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://laborke.ru/uplcv?utm_term=inshot+app+for+download PDF link annotation
- http://birzebbugastpetersfc.com/files/file/watavazamijit.pdfIn PDF document text
- http://greenearthgardens.org/userfiles/nomadizofi.pdfIn PDF document text
- http://casadiriposomarsala.it/userfiles/files/metifedoxifowatek.pdfIn PDF document text
- http://446888.top/userfiles/file/ziponogipatatizapebeb.pdfIn PDF document text
- https://astefin.ro/ckfinder/userfiles/files/rexir.pdfIn PDF document text
- https://insp.biz/img/file/bowisetamaziwevozefur.pdfIn PDF document text
- http://ip-golubev.ru/ckfinder/userfiles/files/52893419003.pdfIn PDF document text
- http://arhive.np-sp.ru/img/file/pilunozaxakotu.pdfIn PDF document text
- http://zavalinka.by/var/upload/file/71677625489.pdfIn PDF document text
- http://strahyi.ru/images/file/3396606244.pdfIn PDF document text
- https://hatinhjobs.com/upload/files/magifebufowimow.pdfIn PDF document text
- http://futsalcb.cz/picture/vtextu/file/33771266580.pdfIn PDF document text
- https://anjingliar2.com/contents/files/88516965721.pdfIn PDF document text
- http://www.medicalalliedtraining.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141150894bb7---xirevutipifiwuloweloz.pdfIn PDF document text
- http://files.ibiza-ferien.de/file/dajopewezesutafejim.pdfIn PDF document text
- http://muntepa.com/userfiles/files/makarogepe.pdfIn PDF document text
- https://ifacemount.com/wp-content/plugins/super-forms/uploads/php/files/v122h0nc7fh7j6uua1t943u1pm/peteg.pdfIn PDF document text
- http://kelkenaghshband.com/app/webroot/img/files/zekelite.pdfIn PDF document text
- http://aleshashop.net/uploaded_files/userfiles/files/dekusexixezutulite.pdfIn PDF document text
- http://gdfsztal.com/uploadfile/files/gotaxedunavexexabi.pdfIn PDF document text
- http://jamesandsons.ca/userfiles/file/45674977777.pdfIn PDF document text
- http://finara-v.com/file_media/file_image/file/86983950456.pdfIn PDF document text
- https://ddtoyz.com/ckfinder/userfiles/files/vuropamav.pdfIn PDF document text
- http://stroyvodservice.ru/upload/File/xomopadurexelanokolipewil.pdfIn PDF document text
- http://www.ibadirect.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c4c92db15f---84243514528.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_off0000dc73.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC73 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f48a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF48A | 10408 bytes |
SHA-256: aa19d4234ee7bd424884aeebdc8d2e7ccd1d266809eb18cde3a3a5d0fcc6ce22 |
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font_02_sfnt_off00010c12.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C12 | 18052 bytes |
SHA-256: 9b022616abc8be85fe5cc17f81c20bd6d00e7c090d8556d78a2b9ead9d199887 |
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