MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1055.012 Process Injection
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, with numerous URLs pointing to compromised CMS uploads and disposable hosting. These links likely serve to redirect users to further malicious content or phishing pages, aligning with a spearphishing attachment attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://fenicia.uy/fenicia.com.uy/uploads/files/71324301023.pdf In PDF document text
- https://cakenflowersonline.com/userfiles/file/17195989959.pdfIn PDF document text
- http://emilygrilltogo.com/uploads/files/geregajemerolak.pdfIn PDF document text
- http://www.vivelamusica.es/wp-content/plugins/formcraft/file-upload/server/content/files/16071d2578bd34---67093415429.pdfIn PDF document text
- https://www.mercato.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160e8c8357acb1---1074698813.pdfIn PDF document text
- https://motionslam.com/wp-content/plugins/super-forms/uploads/php/files/0eb4682ced3490d9d4d4d42c98718030/lubinukikukebag.pdfIn PDF document text
- https://www.18fire.com/wp-content/plugins/super-forms/uploads/php/files/37ee754137b2f649eea8d151c24af78a/zutunigebalit.pdfIn PDF document text
- http://abwferrellpkwy.com/uploads/files/kowobivajapodos.pdfIn PDF document text
- http://jagatjyotischool.org/jagatjyotischool/userfiles/file/52040121606.pdfIn PDF document text
- http://sieckultury.pl/wp-content/plugins/super-forms/uploads/php/files/bfb8f2e3b42b05163dabc2fa6658af00/33520371372.pdfIn PDF document text
- http://www.empresasdelimpeza.info/wp-content/plugins/formcraft/file-upload/server/content/files/1607d2abbd0280---53759429678.pdfIn PDF document text
- http://learnersdigest.org/userfiles/file/43397923792.pdfIn PDF document text
- http://www.cargeacrew.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160e23df53a7bf---dugemanapemagurizuzi.pdfIn PDF document text
- http://grandp.ru/userfiles/file/59943103167.pdfIn PDF document text
- http://ottotech.center/userfiles/file/86006978268.pdfIn PDF document text
- http://netflor.pl/upload/File/25645940933.pdfIn PDF document text
- https://ceadersvalet.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bf24e78d7ad---50882088356.pdfIn PDF document text
- https://cyberbirddog.com/userfiles/files/41837272848.pdfIn PDF document text
- http://harasim.cz/uploaded/files/pexig.pdfIn PDF document text
- http://incomsistema.ru/ckfinder/userfiles/files/30667097556.pdfIn PDF document text
- https://www.auditek.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16072fb4738098---99385192664.pdfIn PDF document text
- https://churchosonline.com/wp-content/plugins/super-forms/uploads/php/files/eb052b3a0584a28912120533d73d0410/79886895627.pdfIn PDF document text
- http://chukgoobok.com/files/fckeditor/file/wedawurebotididajed.pdfIn PDF document text
- http://alexandersorokolaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/89504563338.pdfIn PDF document text
- https://paloaltospeakerseries.com/wp-content/plugins/super-forms/uploads/php/files/dbef035531916e705fe5a943fed04bb7/11401814276.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=excell+2300+psi+pressure+washer+manualPDF 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_off0000f1b5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1B5 | 11108 bytes |
SHA-256: 37cd69044a04b028d582398ac662dfd2f76b702a502ba00a5eb27332f7148106 |
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font_01_sfnt_off00010b8f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B8F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000123a1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x123A1 | 17392 bytes |
SHA-256: 0da933cbbee8acab1184d94810665a1826a452e6f6f337bd7a2265a925254332 |
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