MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links, many pointing to compromised WordPress sites, indicating a link farm designed to redirect users. ClamAV and ML classifiers flagged this file as malicious, specifically as a phishing trojan. The presence of multiple external URIs and link farm heuristics strongly suggests a malicious intent to lure users to potentially harmful websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://xn----7sbabak5acz7byau.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/8a5d4b2eb5e19bceb773d9873d6b15b8/40960878868.pdf In PDF document text
- http://themultifold.com/wp-content/plugins/super-forms/uploads/php/files/ncqostiml05ac09p3ovol0pkk2/64764265126.pdfIn PDF document text
- http://avanti-kuhni.ru/upload/files/zijunedigodedenurusirasi.pdfIn PDF document text
- http://ristoranteibucanieri.it/userfiles/files/55473183407.pdfIn PDF document text
- http://vititanon.com/user_img/files/famuwuzabup.pdfIn PDF document text
- http://hoteldazegliotorino.com/userfiles/files/tekazoboraluvo.pdfIn PDF document text
- https://apparel.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/595cf5223339ea7b06bb2b30492ca880/29076505240.pdfIn PDF document text
- http://www.farparts.cl/wp-content/plugins/formcraft/file-upload/server/content/files/1609b721594c16---kamuzopoz.pdfIn PDF document text
- https://laser-arena.ch/wp-content/plugins/formcraft/file-upload/server/content/files/16091b739854c2---16496314249.pdfIn PDF document text
- http://rltclassof1970.com/clients/8/8f/8ff9f19c840b982a6efda18ba8bb483c/File/74459450871.pdfIn PDF document text
- http://www.maarsehoveniers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160d19f09533d3---86688553546.pdfIn PDF document text
- http://www.deco-interieure.com/userfiles/file/vewafomi.pdfIn PDF document text
- http://timandlor.com/userfiles/file/89854678253.pdfIn PDF document text
- http://nguyenquangcomputer.com/upload/ck/files/53275747065.pdfIn PDF document text
- http://tourhong.com/FileData/ckfinder/files/20210803_C94B23A0A8CDB6C3.pdfIn PDF document text
- https://www.femregenx.co.za/wp-content/plugins/super-forms/uploads/php/files/42ldnsb3s6dg0kk789sl85m39k/93913784837.pdfIn PDF document text
- http://www.rebranded.tv/wp-content/plugins/formcraft/file-upload/server/content/files/1607568f547bb5---61186942156.pdfIn PDF document text
- http://webbuilders.com/files/file/52295824045.pdfIn PDF document text
- http://transcash.com/ci/userfiles/files/78067359443.pdfIn PDF document text
- http://aitrans.org/UploadFile/file/F1202107251954085868.pdfIn PDF document text
- http://abaj.cz/UserFiles/File/2005837469.pdfIn PDF document text
- http://baovephuongtroi.com/vietkiendo/upload/file/dixuruputaxawi.pdfIn PDF document text
- http://scan3dsaigon.com/upload/files/jikijadedezuzakasuboxepe.pdfIn PDF document text
- http://www.optionassurance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607de6839753e---kobatuk.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=bbi+combinatory+dictionary+pdfPDF link annotation
- 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_off0000d4e2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD4E2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ecf4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECF4 | 20000 bytes |
SHA-256: cafe87cb666f5759daa546d771d1d91f48424b571e1570817be123f8c63b6654 |
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font_02_sfnt_off00012194.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12194 | 10744 bytes |
SHA-256: c3d06c81aa8a8ac6f890c7890b0795c2cba5fdc1e43936dd32e6caba4455ffe0 |
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