MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier. It contains a link farm pointing to multiple compromised websites, likely intended to trick users into downloading further malicious content. The presence of multiple distinct hosts and the use of UTM parameters suggest a phishing or scam attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9860
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 http://anjilh.com/uploadfile/file///2021050303200648.pdf In PDF document text
- https://amirep.com/wp-content/plugins/super-forms/uploads/php/files/f9eb5f9aebf265c8efb9d7fc0d07d189/57630335459.pdfIn PDF document text
- https://harpethvalleyhealth.com/wp-content/plugins/super-forms/uploads/php/files/0976ba30b59091c2afca52f95c31509c/dapudaxiweruvupafesi.pdfIn PDF document text
- https://www.alertgy.com/wp-content/plugins/super-forms/uploads/php/files/89a5939a8c5c8d0b76fa28ed9e9a72f8/ditagavoli.pdfIn PDF document text
- https://www.jahnigterbraak.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160c4c967f12b2---nusodoropegodikorafuraw.pdfIn PDF document text
- http://df-foundry.net/d/files/detelesifanagiges.pdfIn PDF document text
- http://vieclamquantri.net/upload/files/19565902864.pdfIn PDF document text
- http://plenaadoracao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16081b2aa940ed---danusu.pdfIn PDF document text
- https://www.apartamentselsllacs.com/wp-content/plugins/super-forms/uploads/php/files/2jsl88m24chuomrhfhkp6k38rn/ronovar.pdfIn PDF document text
- https://www.cir.cloud/wp-content/plugins/formcraft/file-upload/server/content/files/160ab6d48a5ccd---47046482336.pdfIn PDF document text
- https://414movement.com/wp-content/plugins/super-forms/uploads/php/files/b22eace92ac0c613ae4af003eed2777b/wafewilamorosewububeror.pdfIn PDF document text
- http://wakingbeauty.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608356ac93346---81227529751.pdfIn PDF document text
- https://www.charityweiss.de/wp-content/plugins/formcraft/file-upload/server/content/files/16097d4606a18e---lojagidakezukuwome.pdfIn PDF document text
- http://www.investing-in-women.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f6746658f8---33744856986.pdfIn PDF document text
- http://www.kymkarajok.net/tiedostot/files/gorurexikev.pdfIn PDF document text
- https://teenvolunteer.org/wp-content/plugins/super-forms/uploads/php/files/6d53803e86c9a209338759b3719c9ce2/39030060112.pdfIn PDF document text
- http://raduzhniy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bfb3c643320---50714551948.pdfIn PDF document text
- http://veronicanealhome.com/wp-content/plugins/formcraft/file-upload/server/content/files/2/1608387b4cbf6a---febigotebikupibapog.pdfIn PDF document text
- https://www.stamfordtaxis.com/wp-content/plugins/super-forms/uploads/php/files/2l09orlu4feopn4c11c5q5mofi/6104938348.pdfIn PDF document text
- https://ctners.com/ckfinder/userfiles/files/40177534362.pdfIn PDF document text
- http://www.lifestaralberta.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad93a774958---gifitijonubosisenuva.pdfIn PDF document text
- http://www.expo-hotel.com/english/wp-content/plugins/formcraft/file-upload/server/content/files/160aa227c4b7b6---42111896789.pdfIn PDF document text
- https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/0c18a52f4236946c6c05ef4e191929c9/webewamafu.pdfIn PDF document text
- https://marbeyoyun.com/calisma2/files/uploads/433738486.pdfIn PDF document text
- http://jrmhandling.nl/upload/file/60887181200.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=1000+brazilian+real+to+usdPDF link annotation
- https://sharpspringwww.kinsta.cloud/wp-content/plugins/super-forms/uploads/php/files/12794c194ded481019fc54a02d782961/64777649314.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_off0000ec23.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC23 | 17016 bytes |
SHA-256: c4013282c0f88b5ce691049bae7ee1824715506d60a26e762492675a2dd4efc0 |
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font_01_sfnt_off0001187c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1187C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013093.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13093 | 10616 bytes |
SHA-256: c5bf7e1b43a87e8d99e0c96a1bb245ad1308e65b579844bbf4461002a910c849 |
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