MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains multiple heuristics indicating it is a link farm designed to direct users to potentially malicious websites. The ML classifier and ClamAV detection strongly suggest malicious intent, specifically identified as phishing or a trojan. The presence of numerous links to disposable or compromised hosting further supports the conclusion that this document is part of a malicious campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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 https://oteaexpert.fr/cite_imgs/file/10762377446.pdf In PDF document text
- https://takipbizde.com/calisma2/files/uploads/28293799191.pdfIn PDF document text
- https://www.jancsoalapitvany.hu/ckfinder/userfiles/files/47900910515.pdfIn PDF document text
- https://robodom.si/files_vsebine/lowinodejawexa.pdfIn PDF document text
- http://33podarka.ru/pictures/files/jorazaroxamosakik.pdfIn PDF document text
- http://perles-del-beya.com/userfiles/file/waxuf.pdfIn PDF document text
- http://www.museopizarra.com/ckfinder/userfiles/files/5548773185.pdfIn PDF document text
- https://vkgnassociates.com/dayafter/uploadimages/newsimages/file/wijujo.pdfIn PDF document text
- http://cortocircuito.trialpanel.com/images/Upload/files/32569464216.pdfIn PDF document text
- http://www.fullmooneye.com/wp-content/plugins/formcraft/file-upload/server/content/files/16145e9c9dcc99---83429427760.pdfIn PDF document text
- http://mathrainbow.com/userfiles/file/57023239050.pdfIn PDF document text
- https://popcouncilinstitute.org/wp-content/plugins/super-forms/uploads/php/files/7e824c15db94cab658d59ed447b11dff/72194041316.pdfIn PDF document text
- http://eska-lift.ru/userfiles/file/63268849251.pdfIn PDF document text
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613fe7ef5cd2e---risetiloxugiwaz.pdfIn PDF document text
- http://hungbuloon.com/media/ftp/file/nipafosigibonutuxod.pdfIn PDF document text
- http://bienbao.org/uploads/files/52496923238.pdfIn PDF document text
- http://ryanoomen.nl/uploadimages/files/navovajebu.pdfIn PDF document text
- https://infotechb2blite.com/bot/ckfinder/uf/files/tazipodutibuziruridetobu.pdfIn PDF document text
- https://cristalparkhotel.com.ve/ckfinder/userfiles/files/706619844.pdfIn PDF document text
- http://lexxyin.net/files/fckeditor/file/jukukazu.pdfIn PDF document text
- http://carzip.biz/files/uploads/files/47857533829.pdfIn PDF document text
- http://electric-kernbichler.at/12289354430.pdfIn PDF document text
- https://vashadvokat82.ru/wp-content/plugins/super-forms/uploads/php/files/5769df63efc234e92a7f23065ccc7681/nevukikupeg.pdfIn PDF document text
- https://andana.us/files/files/gogumesafox.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=funny+camping+gifPDF 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_off0000d77c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD77C | 17040 bytes |
SHA-256: 5480507dd0bc9d91d050ae6f47dfc72c8e7828511587bef197f2a7414a2b53ad |
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font_01_sfnt_off000103af.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103AF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011bc6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11BC6 | 10348 bytes |
SHA-256: 9c4ce83eeea20f5fd8a8ab232e5454dbba5418d83712878f4789b4c59be4572b |
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