MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous external links, many hosted on compromised WordPress sites or disposable domains, suggesting a link farm or redirection mechanism. The PDF's structure and the presence of embedded URLs point towards a phishing or malware distribution campaign, likely initiated via spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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=else+nothing+matters+tab PDF link annotation
- http://losmarinoslanzarote.com/marinarubicon/admin/file/98959185470.pdfIn PDF document text
- https://www.chortho.co.uk/wp-content/plugins/super-forms/uploads/php/files/a6i4gt2cnhergf4pjsk8k8d7ok/sidilamorenufaliw.pdfIn PDF document text
- https://rockyshairsalon.com/wp-content/plugins/super-forms/uploads/php/files/sofnq9a7g5lhk3mnasfjpapguo/90223501199.pdfIn PDF document text
- http://guides2alpes.org/uploads/file/nurubiti.pdfIn PDF document text
- http://vilaportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b812fdbe88f---tafatuxaveduzenebi.pdfIn PDF document text
- https://www.straightmyteeth.eu/wp-content/plugins/super-forms/uploads/php/files/d2a3cf9b7312b521c22d2bc5c6dabcb4/terekova.pdfIn PDF document text
- http://adamlegal.com/userfiles/file/kimatapupejalifukegigim.pdfIn PDF document text
- http://eyupsifalibitkiler.com/resimler/files/66169486520.pdfIn PDF document text
- http://tsrmmessina.it/userfiles/files/95518677703.pdfIn PDF document text
- http://velocimapper.com//webfiles/file/48043630943.pdfIn PDF document text
- http://host.keraladreamhomes.com/~viswabrahmathach/admin/fckeditor/editor/filemanager/connectors/php/userfiles/file/5566673104.pdfIn PDF document text
- http://crystalsteakandstogie.com/clients/1/1d/1dbb6d5698303b6304ae84622e226a19/File/1659911224.pdfIn PDF document text
- https://aedwea.com/upload/foto/17128886360.pdfIn PDF document text
- http://beckydavidsonhomes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ff59126851---20147571474.pdfIn PDF document text
- http://statsale.com/data/upload/ck/files/lajaguselukexemoroler.pdfIn PDF document text
- https://halobysciton.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dd848ad12e4---tulin.pdfIn PDF document text
- http://test.uebersetzungen-nesselberger.de/wp-content/plugins/formcraft/file-upload/server/content/files/16073534bdcc0f---vixurex.pdfIn PDF document text
- https://humantouchtranslations.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/160e667d66463c---dexutijeraziwaxob.pdfIn PDF document text
- https://lynnesnaturaltreats.com.au/wp-content/plugins/super-forms/uploads/php/files/9dd42b26a31b8fa3b4200ace2be3725b/86374289535.pdfIn PDF document text
- https://veritiesinstitute.com/wp-content/plugins/super-forms/uploads/php/files/7c81ed042888b2fa3f5235be86a16a08/tisofogifufutumopuluje.pdfIn PDF document text
- http://www.lbf-cosmetics.com/website/wp-content/plugins/formcraft/file-upload/server/content/files/1609b3320e1a9a---5003610791.pdfIn PDF document text
- http://fortlauderdalelimorental.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a00aed7e568---mowejuvajokukij.pdfIn PDF document text
- https://aonetreks.com/uploads/file/nefodabezukujori.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_off0000c143.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC143 | 17448 bytes |
SHA-256: a25dbd1096034f7027cecd7b32dff091d0134781818aa3173fa02cb531527610 |
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font_01_sfnt_off0000ee62.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE62 | 10680 bytes |
SHA-256: 8a13cee752dfdf3cb991c429063938d4555584b7128dd4b99d625d9496474b13 |
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font_02_sfnt_off000106a7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x106A7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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