MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Numerous external URLs were extracted, many pointing to compromised CMS upload directories or acting as link farms, suggesting a phishing or malware distribution scheme. The PDF structure and the presence of external links are consistent with spearphishing attachments designed to redirect users to malicious sites.
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://huntic.ru/uplcv?utm_term=hero+band+3+apk PDF link annotation
- https://walnutcreekguide.com/wysiwygfiles/file/sogerusovefoj.pdfIn PDF document text
- https://kligi.viart.lt/ckfinder/userfiles/files/voralas.pdfIn PDF document text
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/161407af223002---navapuzike.pdfIn PDF document text
- https://libertyrealestate.in/ckfinder/userfiles/files/33672449336.pdfIn PDF document text
- https://investmentskillsgroup.com/images/userfiles/file/28439434817.pdfIn PDF document text
- http://gartenstadt-apotheke.com/userfiles/file/34875685577.pdfIn PDF document text
- http://matras-devison.ru/upload/file/31223988926.pdfIn PDF document text
- https://pfgmm.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16134765c4ddb9---mazukuwisetuwojefi.pdfIn PDF document text
- http://sakirnoopo.ru/wp-content/plugins/super-forms/uploads/php/files/d8ca5c619d48323e8a63ccb69cb32eaf/nugisejo.pdfIn PDF document text
- https://reviewz.eu/app/webroot/files/userfiles/files/kebawilijajure.pdfIn PDF document text
- http://www.ruben.pl/ckfinder/userfiles/files/26204871078.pdfIn PDF document text
- http://www.abcklima.hu/data/editorfile/27525042836.pdfIn PDF document text
- http://kuwaited.com/cote_dor_import/admin/ckfinder/userfiles/files/lezumozuwumiwodem.pdfIn PDF document text
- http://snft.ro/media/file/31567523617.pdfIn PDF document text
- https://truckforceone.com/upload/editor/file/42901785342.pdfIn PDF document text
- http://aodaiminhhanh.com/app/webroot/uploads/files/73143090817.pdfIn PDF document text
- https://www.a2zmedical.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16143ae7fd3fa2---8626393326.pdfIn PDF document text
- http://kraemer-duennebacke.de/files/file/76592054163.pdfIn PDF document text
- http://www.lentilles-progressives.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1613f5fabafe8c---ruguduvalajexizotakete.pdfIn PDF document text
- http://cuuhoatudong.com/upload/files/33907819768.pdfIn PDF document text
- https://nordavril.com/userfiles/file/xerabufisul.pdfIn PDF document text
- http://sysquare.com/UserFiles/files/18579599025.pdfIn PDF document text
- http://www.sosonomo.com/ckfinder/userfiles/files/7644959007.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_off0000da22.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA22 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f234.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF234 | 18092 bytes |
SHA-256: a243996fce7c8e719c6dff6898930f4bd6398a8484cf08362e0faf4beb6e075c |
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font_02_sfnt_off0001218d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1218D | 10376 bytes |
SHA-256: e1f937d303ce7f486b70393f11d2e44f1ff9cf5e54dc8c5747c69aa30180746a |
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