MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is identified as malicious by ClamAV and an ML classifier, exhibiting characteristics of a link farm. It contains numerous external URIs pointing to various PDF files hosted on potentially compromised or disposable domains, suggesting a phishing or malware distribution scheme. The presence of a 'download button' heuristic further supports the lure-based nature of this document.
Machine Learning
- Nyx PDF Classifier malicious score 0.9928
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://szyldkj.com/luodan/images/userfiles/file/dozixogezosi.pdf In PDF document text
- https://mallncart.com/userfiles/files/71718474932.pdfIn PDF document text
- http://zjqzzx.com/uploadfile/file/2021061810530873499.pdfIn PDF document text
- https://safrano.pl/userfiles/file/jezukogawovitelerage.pdfIn PDF document text
- http://kameleonhastanc.hu/files/file/rulavezopapuj.pdfIn PDF document text
- http://barrarioservicos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16096ff66158c4---jozivobaxazukexigegutiv.pdfIn PDF document text
- http://baongochoa.com/upload/file/napibuvisiwikolot.pdfIn PDF document text
- http://lideparts.com/userfiles/file/1620413143.pdfIn PDF document text
- http://b-solutions.net/userfiles/file/wolijavunebu.pdfIn PDF document text
- https://binhruamuinanobac.com/wp-content/plugins/super-forms/uploads/php/files/p1ntt0ubumtmcdkiolum9rulck/42894001386.pdfIn PDF document text
- https://www.litesourcenc.com/wp-content/plugins/super-forms/uploads/php/files/98004244518858754e9ddd88e121960d/zinabezewa.pdfIn PDF document text
- https://humanistbeauty.com/wp-content/plugins/super-forms/uploads/php/files/oas1nj9cre04ug4jaahe8efh23/62873422058.pdfIn PDF document text
- https://office-agglo-larochelle.fr/userfiles/file/95297771258.pdfIn PDF document text
- http://alarcon-v.com/editor_upload_image/file/bijezi.pdfIn PDF document text
- http://lab4050.com/upload/editor/file/modunajixotizusuzodoneto.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609afb8708793---fogesawojikaxi.pdfIn PDF document text
- http://www.infranetltd.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087653184bfe---19803244957.pdfIn PDF document text
- https://inchirieriavioane.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1607a7ee3c98e5---41343291845.pdfIn PDF document text
- https://www.auditek.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160a4974be0e67---romoroxawus.pdfIn PDF document text
- https://www.diktu.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081cad5a0da3---54957379166.pdfIn PDF document text
- http://svenstavik.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c4cac96306c---5683686301.pdfIn PDF document text
- https://bringem.de/wp-content/plugins/super-forms/uploads/php/files/ad8846d74d729a4d5346d68a3190937c/tikorupixosatoganifimir.pdfIn PDF document text
- https://uaqbakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609fd4accd068---79011415450.pdfIn PDF document text
- https://getlovebooks.com/wp-content/plugins/super-forms/uploads/php/files/cc02205780a70231930c3c809c70989b/balofenubejorubozatezulet.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=good+morning+images+2020+downloadPDF 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d4e2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD4E2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ecf9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECF9 | 10860 bytes |
SHA-256: 0c272bcadbed98a6239ce3802478b62fe6af1bbf0c5896074affef00f0996c1d |
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font_02_sfnt_off000105e3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x105E3 | 1684 bytes |
SHA-256: 72bda604c77ca771a1a14ee35dc8ff354b9f00ec81e947fe844e91f3a29209ee |
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font_03_sfnt_off00010de6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10DE6 | 17764 bytes |
SHA-256: 142e5fb00bdc0bdef23ee046144fd04b455dd41a59e93ab05dddd3c0ddef721e |
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