MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple heuristics and ClamAV as malicious, specifically indicating phishing and Trojan activity. It contains a large number of embedded URLs, many pointing to compromised WordPress sites and disposable domains, suggesting it functions as a link farm. The primary purpose appears to be directing users to malicious external sites, likely for credential harvesting or further malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9967
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://queure.ru/uplcv?utm_term=kontakte+vom+iphone+auf+android+%C3%BCbertragen+kostenlos PDF link annotation
- https://www.sacproblemleri.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141e380d02a2---wivamiwutut.pdfIn PDF document text
- http://pampa.be/uploads/userfiles/files/jawixefobamibugo.pdfIn PDF document text
- http://dglytbt.com/upfolder/e/files/20210907035623.pdfIn PDF document text
- http://chizclean.ru/files/fck/file/25106999814.pdfIn PDF document text
- http://neodev.space/wp-content/plugins/formcraft/file-upload/server/content/files/1614944dd96979---49069139677.pdfIn PDF document text
- https://kp-bs.ru/upload/files/69440498712.pdfIn PDF document text
- https://vwb.mrv-educationservices.com/content_file/files/zemuposusijokugakolu.pdfIn PDF document text
- http://uelzecht.lu/userfiles/files/22088350296.pdfIn PDF document text
- https://acconpriti.com/ckfinder/userfiles/files/49653224871.pdfIn PDF document text
- https://bestrecycledautoparts.net/images_i/file/gafuxik.pdfIn PDF document text
- http://sm300159.agchost.com/userfiles/files/5672336872.pdfIn PDF document text
- http://manpukuorder.com/uploads/files/tuwawufezobinibabofifofus.pdfIn PDF document text
- https://www.leadercaravans.com.au/application/third_party/ckfinder/userfiles/files/94966836855.pdfIn PDF document text
- https://fontan-montag.ru/img/upload/43479302080.pdfIn PDF document text
- http://densayhongngoai.com/uploads/userfiles/file/52327420617.pdfIn PDF document text
- http://capthepcongtrinh.com/uploads/news/files/pimafigazefibosimuj.pdfIn PDF document text
- http://decamiones.com/userfiles/file/mapulororadexumuj.pdfIn PDF document text
- http://oguzlarotomatiksanziman.com/depo/sayfaresim/file/dibubojoti.pdfIn PDF document text
- http://falegnameriacastiglione.it/userfiles/files/46415393830.pdfIn PDF document text
- http://cleangroupbd.com/ck/upload/files/43004560097.pdfIn PDF document text
- https://sharzh-ufa.ru/wp-content/plugins/super-forms/uploads/php/files/5d0b141f5761fd4c8d548ccd6167f73e/japuwuxeb.pdfIn PDF document text
- https://homestayhoian.vn/uploads/image/files/99549426666.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_off0000ae90.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAE90 | 16828 bytes |
SHA-256: 26699b6cadf5a564d7d3f322d44cdc6bc07b215322b129f91f224c1dc461447c |
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font_01_sfnt_off0000d945.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD945 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f15c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF15C | 11524 bytes |
SHA-256: 34e5e1cadad407a57244d3dbcf2538d2177ada01fe688897c94fda3e7f28a0b5 |
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