MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. Heuristics identified it as a link farm, with many embedded URLs pointing to potentially compromised websites or disposable hosting. The document body is heavily obfuscated, preventing a clear understanding of its specific lure, but the overall structure suggests an attempt to redirect users to malicious content.
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://vnnc.vn/img-hdmedia/files/47940096322.pdf In PDF document text
- http://driscollandgibson.com/images/edit_images/file/tiritopijejolologazewam.pdfIn PDF document text
- https://aawyx.com/sites/default/imageuser/file/futojupezegevewon.pdfIn PDF document text
- https://icbacademy.com/upload/files/93911471030.pdfIn PDF document text
- https://www.sussexweddingservices.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160aa11bb1aaef---65076194923.pdfIn PDF document text
- http://uralinteh.com/uploads/files/96398390598.pdfIn PDF document text
- https://m-co.de/wp-content/plugins/super-forms/uploads/php/files/3j6bku6t73b4qhv64snvjikrbp/79650248253.pdfIn PDF document text
- https://dienlanhhonganh.com/images/pic/file/muvipapivedirajowuked.pdfIn PDF document text
- http://eltonltd.ru/sites/default/files/uploads/dovaderutaxukukirejusete.pdfIn PDF document text
- http://ilovegabal.net/fckeditor/_upload/file/93294046515.pdfIn PDF document text
- https://vansuloi.com/uploads/userfiles/file/teburojatev.pdfIn PDF document text
- http://fmi.lu/userfiles/files/suderovunubofoso.pdfIn PDF document text
- http://tktravel.shop/FileData/ckfinder/files/20210625_A168A8E8064DB2C8.pdfIn PDF document text
- http://www.itbaloch.com/wp-content/plugins/formcraft/file-upload/server/content/files/160888e47964fb---8733340146.pdfIn PDF document text
- https://otdelkamos.ru/wp-content/plugins/super-forms/uploads/php/files/823e720b5f6e81472113eee343c746b5/degawakafux.pdfIn PDF document text
- https://telenovella-bg.com/files/rejerodotijazalipu.pdfIn PDF document text
- http://dirabrealtors.com/wp-content/plugins/formcraft/file-upload/server/content/files/160abf861b58f9---92139434310.pdfIn PDF document text
- http://uniquecharacters.com/upload/files/xobozufalizanuwudelanad.pdfIn PDF document text
- https://www.andeanskyline.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7835b185e7---vanek.pdfIn PDF document text
- https://shinyjewellers.com/wp-content/plugins/super-forms/uploads/php/files/2e5qpobjg9ue05nrs97s5mhr75/gigowibaganazofubag.pdfIn PDF document text
- http://constructionone.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160704f294dfb4---somigezewaxiborewixa.pdfIn PDF document text
- https://dichvumayphoto.vn/webroot/img/files/fozarodijaloz.pdfIn PDF document text
- https://armenia4d.com/contents//files/suduxaronejo.pdfIn PDF document text
- https://www.histoiresdegroupes.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085ed014c9ac---nipakoxogaberatu.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=the+voices+of+time+ballardPDF 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_off0000f28e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF28E | 17344 bytes |
SHA-256: d64d00faaa9f8ca4b40bfaabd8d922d2a3c029671b54c8a796e11f3e6cbd8d5f |
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font_01_sfnt_off00011f9f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F9F | 10808 bytes |
SHA-256: 66fb1c80161b25868392601350daee7e70566ca23e7e74e7c82042233e66e030 |
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font_02_sfnt_off00013895.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13895 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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