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. It contains numerous embedded URLs pointing to compromised websites, suggesting a link farm or redirection mechanism. The presence of PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics further supports the conclusion that the PDF is used to direct users to potentially harmful external resources.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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://catamma.ru/uplcv?utm_term=raja+hindustani+full+movie+hd+480p+download+mp4
- https://macleanpinesdrivingschool.com.au/wp-content/plugins/super-forms/uploads/php/files/6ae4161278f238c930d728fed234f414/5629098424.pdf
- http://mvdeastudio.it/userfiles/files/19605112212.pdf
- http://www.medicellbank.com/userfiles/files/76333234025.pdf
- https://lecourbe.dk/userfiles/file/rojopezukane.pdf
- https://maintogelonline2.org/contents/files/finivapalebomidelekuj.pdf
- http://www.theflightfest.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133ddd569519---kabenene.pdf
- https://h1t-urlaurora1-turbo.com/contents/files/23121218169.pdf
- https://novitas.ro/files/fetakojodupi.pdf
- http://chingyi.tw/userfiles/files/tezuxad.pdf
- https://www.alapan.org/fckimages/file/riveveveluziwelo.pdf
- http://audiencefertilization.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/dinobofaratod.pdf
- http://duocthientam.com/uploads/ckfinder/files/29308208416.pdf
- http://nhasachconggiao.com/luutru/files/43469628714.pdf
- https://www.domosystem.gr/ckfinder/userfiles/files/nesonemeruzinik.pdf
- http://www.naraihillgolf.com/admin/userfiles/file/60800031270.pdf
- https://www.paparazzirestaurant.com.au/wp-content/plugins/super-forms/uploads/php/files/b94b02492598e67bf680599a472549d2/durowijipisa.pdf
- http://dwornawodzie.pl/userfiles/file/baxewomuxar.pdf
- http://newworldss.com/uploads/file/lavuzejiwaxijuroruwazaru.pdf
- http://xn--82cac8d3ajrc0gd0bo4a7nf3qg.com/userfiles/files/pisusudurujofuvosudemega.pdf
- https://bbox.ru/images/shared/file/29702196356.pdf
- https://www.traveltimevipp.com/wp-content/plugins/super-forms/uploads/php/files/e5f573262785d285ef9bc6b1adf3fa1d/jewipumevi.pdf
- http://smolninskayahotel.com/userfiles/file/33843188191.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000cea6.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCEA6 | 16792 bytes |
font_01_sfnt_off0000e6bd.bin0d17ef76375cebed2a851eaae84db8f25ae62c403faf3072c33494af95d93ab6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6BD | 11496 bytes |
font_02_sfnt_off000101cd.bin0ca057a6c6804d4e5b44016e6368bc55d62a5fd65c9b12266d2d5053fccd014b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101CD | 19140 bytes |
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