MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by multiple heuristics as malicious, including a high-confidence ML classifier and ClamAV detection. It contains numerous links pointing to potentially compromised websites or disposable hosting, characteristic of a link farm used for SEO manipulation or phishing. The document body is heavily obfuscated, preventing a clear understanding of its specific lure, but the presence of many external links strongly suggests an attempt to redirect the user to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9987
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://mayinluatudong.com/uploads/userfiles/file/mevataxa.pdf In PDF document text
- https://akarchlight.com/wp-content/plugins/super-forms/uploads/php/files/95e19180d3ca6ba03b226468a85c1d9d/28896039930.pdfIn PDF document text
- http://tupnate.com/ckfinder/userfiles/files/5031242045.pdfIn PDF document text
- http://tobn56.com/UpFiles/file/lupazusebusotaragokafe.pdfIn PDF document text
- https://siyata.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/1607beae7366f8---43758235033.pdfIn PDF document text
- http://villabrown.it/userfiles/files/wasorunalokejaxixil.pdfIn PDF document text
- http://www.consorcio.edu.pe/wp-content/plugins/formcraft/file-upload/server/content/files/1609fff7d229b7---bovefosiwe.pdfIn PDF document text
- https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d472b312a8.pdfIn PDF document text
- http://tamker.hu/userfiles/file/69730166044.pdfIn PDF document text
- https://turbooto.vn/upload/files/wilup.pdfIn PDF document text
- http://www.nbrownies.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1610063cfa626d---92587416053.pdfIn PDF document text
- http://www.rodnolespropertymanagement.com/siteuploads/editorimg/file/94022169576.pdfIn PDF document text
- http://www.sport-konyv.hu/userfiles/file/pugewunegawapobupi.pdfIn PDF document text
- https://drivetripper.com/userfiles2020/files/56958890471.pdfIn PDF document text
- http://www.fsnn.se/wp-content/plugins/formcraft/file-upload/server/content/files/1607911496fa6a---dukijajaberobomilijes.pdfIn PDF document text
- http://multiseal.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/160946b8aa74ba---salus.pdfIn PDF document text
- http://kwik-it.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16078030538ff7---98476260740.pdfIn PDF document text
- https://viscom.bg/uploads/wysiwyg/files/22673312421.pdfIn PDF document text
- https://riverasphotovideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074a55039f8b---viwixerijeweteduzegi.pdfIn PDF document text
- http://aceonlinementors.com/userfiles/file/nawejobalafopofevogepido.pdfIn PDF document text
- https://vmkstroi.ru/wp-content/plugins/super-forms/uploads/php/files/2d65a6e728d9c8f510eafa65462ba3f0/18746013399.pdfIn PDF document text
- http://www.lauricedale.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160afbf5519272---275748888.pdfIn PDF document text
- http://robalton.es/Albums/images/file///65645522885.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=introduction+to+english+syntax+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_off00013b83.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13B83 | 11164 bytes |
SHA-256: 28851825660f5733a24643432f5049c747bd1689c4c349bb23e1449ab36a8879 |
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font_01_sfnt_off00015563.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15563 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00016d75.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16D75 | 18884 bytes |
SHA-256: c742797a2a5c0f263ea0bd2a9b9cca181a0f4956998547168868a802d9596dac |
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