MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The PDF contains numerous links, many pointing to compromised CMS upload directories or disposable hosting, characteristic of a link farm used to obscure the final destination. These links likely serve as a lure to redirect users to phishing sites or download further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
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 http://terapie-psi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1607f5af5ea0ee---sanoxusujovesilulununemiw.pdf In PDF document text
- http://barrarioservicos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607f12a8f03cc---84423595549.pdfIn PDF document text
- http://entryexpress.online/chapter_images/files/jozazazitizijotu.pdfIn PDF document text
- http://portamarioarchitetto.eu/userfiles/files/naluguxasewosixajowujir.pdfIn PDF document text
- http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/ds8gq5rtclrcaqebhojpntqmvh/45629018820.pdfIn PDF document text
- http://smithmurdock.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac60e78a112---fuxavo.pdfIn PDF document text
- http://www.loockuniformes.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/160ce8550847e5---luxofuras.pdfIn PDF document text
- http://splogservice.ru/content/file/21314995096.pdfIn PDF document text
- http://galsabino.it/userfiles/files/8865387088.pdfIn PDF document text
- https://www.tctnanotech.com/wp-content/plugins/super-forms/uploads/php/files/21339c027ff78cb6693ccf8049566096/52448595693.pdfIn PDF document text
- https://maychieuvinh.vn/upload/files/powolopakuvalexezorab.pdfIn PDF document text
- http://quangcaosms.org/media/ftp/file/xamubiz.pdfIn PDF document text
- https://beribuket.ru/wp-content/plugins/super-forms/uploads/php/files/a7045e8a91e0b7cd0d89519139d8d270/41372550980.pdfIn PDF document text
- https://fallsplat.se/bildbank/file/padiwoxisarobovebon.pdfIn PDF document text
- http://kutscher-customs.de/gfx/userfiles/files/42560344031.pdfIn PDF document text
- http://kiapelhrimov.cz/UserFiles/File/xapejebazire.pdfIn PDF document text
- https://xn--i1aam8cb.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/cfcd5d84e338cff41f7029a9ab1d531d/ragolegi.pdfIn PDF document text
- http://penoplex24.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1607995be490d9---25945926657.pdfIn PDF document text
- http://siamsnail.com/media/userfiles/files/vufezejaxel.pdfIn PDF document text
- https://energooptima.hu/upload/File/3679670813.pdfIn PDF document text
- http://good163.cn/Uploadfiles/files/tipijiduwo.pdfIn PDF document text
- http://ipjanah.ir/wp-content/plugins/super-forms/uploads/php/files/eub7vfjsuo38hnaiq39u6do163/dudinazegaridag.pdfIn PDF document text
- https://shrmivirtual.org/wp-content/plugins/super-forms/uploads/php/files/25febe3eee5ca5aca16144d77e9c21ed/jawabaloxu.pdfIn PDF document text
- http://rcot.by/pics/files/29178371157.pdfIn PDF document text
- https://www.dazzlingdecor.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16093f2ec194f7---kevegukuri.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=problemas+de+funciones+exponenciales+y+logaritmicas+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_off0000bdec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBDEC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d5fe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD5FE | 16960 bytes |
SHA-256: 9ade9ae0da1acccaf45310aa91e2613fada41188504c867b512b4d5b2fcbc6c6 |
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font_02_sfnt_off000100eb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100EB | 11420 bytes |
SHA-256: b4afd23997461d77e2f62c58657f7234d6d417cd3c51e15f85850a0794c49306 |
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