MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which point to compromised WordPress upload directories or disposable hosting, indicating a phishing or malware distribution attempt. The ClamAV detection and ML classifier strongly suggest malicious intent, likely related to phishing campaigns.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://crysiq.ru/uplcv?utm_term=simple+mp3+android PDF link annotation
- http://vswet.ru/f/14835776195.pdfIn PDF document text
- http://gasasosong.com/upload/fckeditor/file/24368649042.pdfIn PDF document text
- https://www.generalutilities.com/wp-content/plugins/formcraft/file-upload/server/content/files/161448f2bc05d3---24994158040.pdfIn PDF document text
- https://purmoradiatoriai.lt/images/files/netun.pdfIn PDF document text
- https://xtremefitness.com.au/application/third_party/ckfinder/userfiles/files/64088014014.pdfIn PDF document text
- http://www.appsolutely.sg/wp-content/plugins/formcraft/file-upload/server/content/files/161358b01bd801---pejuvemafomitozavefi.pdfIn PDF document text
- http://csc028.com/userfiles/file/20210909124313_s08m52.pdfIn PDF document text
- http://hattrick-sports.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613997d810e5f---91219508104.pdfIn PDF document text
- http://vncdata.net/app/webroot/uploads/files/24414534444.pdfIn PDF document text
- http://www.astmalek.cz/obrazky/file/31329184323.pdfIn PDF document text
- https://locktactyuma.com/userfiles/file/numixatimam.pdfIn PDF document text
- http://khonggianmang.com/upload/files/pirolojaresusitufoxibulu.pdfIn PDF document text
- http://rvhifi.cz/files/file/tobamupasekanotuwezinuw.pdfIn PDF document text
- https://vico-immobilien.com/ckfinder/userfiles/files/zafalazo.pdfIn PDF document text
- http://lishasurgical.in/ckeditor/ckfinder/userfiles/files/32806688136.pdfIn PDF document text
- https://iphastkala.com/userfiles/file/xifenuzotujevosuzimete.pdfIn PDF document text
- https://fotoprint.lv/downloads/file/84765460907.pdfIn PDF document text
- http://domesticsolutionsagency.com/userfiles/file/13219094894.pdfIn PDF document text
- http://nacyc.jp/Upload/file/12498697313.pdfIn PDF document text
- https://makenie.com/upload/files/54666077912.pdfIn PDF document text
- https://www.vek-bg.com/app/templates/js/ckfinder/userfiles/files/ralose.pdfIn PDF document text
- http://studiorapizza.it/userfiles/files/40055070133.pdfIn PDF document text
- http://sanxuatbanthinghiem.org/app/webroot/uploads/files/danujidexatepuganafuxamap.pdfIn PDF document text
- 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_off0000dace.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDACE | 17008 bytes |
SHA-256: a81937ee5ff76cef4360c9bec05c57a789fa68a2c927c7e857da03c7adab618c |
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font_01_sfnt_off000106f4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x106F4 | 10536 bytes |
SHA-256: 1323c11d56fb13096419581570de742d9282bbc5f00a6da5bb5b79c4e0c64add |
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font_02_sfnt_off00011ecd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11ECD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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