MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm pointing to multiple compromised WordPress sites, indicating a phishing or malware distribution attempt. Heuristics like 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' strongly suggest malicious intent. The ML classifier and ClamAV detection further confirm its malicious nature, likely serving as a lure for users to download further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://polskieplytki.com/wp-content/plugins/super-forms/uploads/php/files/c22bcb6001d43f47eb38c18c55b2e41c/26015360996.pdf In PDF document text
- http://aarogyamedico.com/userfiles/file/pusovowarezawotigasusa.pdfIn PDF document text
- https://aashianarealty.com/file/fudipexuwewarip.pdfIn PDF document text
- http://mulroyenvironmental.ie/userfiles/file/makodetovexamaxakakazat.pdfIn PDF document text
- http://summithigh49.com/clients/3/33/3334069ac8a672cbece4a9536eb221cc/File/76420466971.pdfIn PDF document text
- https://tuabogadoangel.com/wp-content/plugins/super-forms/uploads/php/files/421659cab975d10794ed35751b13b191/nigafemogilozisi.pdfIn PDF document text
- https://hosvagyok.hu/userfiles/file/11856236463.pdfIn PDF document text
- https://fatheragneliti.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8dccdf0f1d---nalolititipikas.pdfIn PDF document text
- https://www.saenger-ohg.de/wp-content/plugins/formcraft/file-upload/server/content/files/16072ab7a8bf5f---bapana.pdfIn PDF document text
- http://malopolskiszlakwinny.pl/upload/File/79688229737.pdfIn PDF document text
- http://thementalhealthadvocates.org/files/userfiles/file/44887294147.pdfIn PDF document text
- http://kondicionery-dolgoprudny.ru/upload_picture/file/nuponalikenijo.pdfIn PDF document text
- https://k2salight.com/wp-content/plugins/super-forms/uploads/php/files/a36fc64899c629fa11da2c3ffbf7019e/39994767648.pdfIn PDF document text
- https://www.americanapi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160962722ede7d---55461811844.pdfIn PDF document text
- http://www.unidacardoso.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b8ff5681b54---81199870707.pdfIn PDF document text
- http://exactblue.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f0c29b392c---71683551549.pdfIn PDF document text
- https://voicelux.ru/wp-content/plugins/super-forms/uploads/php/files/49a42c93b5207819c3b1be4b3324eb0e/44636152527.pdfIn PDF document text
- https://grafitpoint.ru/wp-content/plugins/super-forms/uploads/php/files/f2565fa6f4677ad1da0c836fbcd227d9/20335199451.pdfIn PDF document text
- http://www.immiflex.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606dd77f0fe81---fisepabamiwopo.pdfIn PDF document text
- https://www.adelaarenergy.com/wp-content/plugins/super-forms/uploads/php/files/skd8vd7eurv0d7o3pg1sib0ujv/kurekeruzoxapililesirato.pdfIn PDF document text
- https://www.siemers-deutschmann.de/wp-content/plugins/super-forms/uploads/php/files/5kh6s84jnvgi4vtjppb4h1tm11/toduboxejeminilu.pdfIn PDF document text
- https://bizdrive.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/160aad8f4cd6bc---8750993918.pdfIn PDF document text
- https://www.helpfulhunks.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160941eb6ceb92---6919329341.pdfIn PDF document text
- http://slowjamsundays.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094e435e62e3---98620457584.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=first+month+of+winterPDF 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_off0000f79e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF79E | 10336 bytes |
SHA-256: 8cc3f3286827855d4c9d61d4d5d1d2fb1b68e5d8ad5c0618894c3523b76343d4 |
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font_01_sfnt_off00010ec4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10EC4 | 17284 bytes |
SHA-256: cd296af9e66420f336712da3dd6f7ca4937f7cfef3800bea9e8f9ed058b69cae |
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font_02_sfnt_off00013bb3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13BB3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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