MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple heuristics as malicious, including a machine learning classifier and ClamAV, which identified it as a phishing trojan. The document contains numerous embedded URLs that point to various domains, many of which appear to be part of a link farm designed to redirect users to potentially malicious content. The presence of a compromised CMS upload link further suggests malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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://crewmak.ru/uplcv?utm_term=phone+clone+android+to+ios PDF link annotation
- http://oiseau-bleu-morzine.com/userfiles/file/54636320514.pdfIn PDF document text
- http://vidol.nl/userfiles/file/putot.pdfIn PDF document text
- http://startent.ru/SITE/files/editor/file/23375869653.pdfIn PDF document text
- https://selectwifi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613feaaf1c470---88109097655.pdfIn PDF document text
- https://gloriamus.org/Uploads/userfiles/files/ruloxovorivikofu.pdfIn PDF document text
- http://infinity-c-t.com/userfiles/file/24723418625.pdfIn PDF document text
- http://domki-kopalino.pl/pliki/9546687904.pdfIn PDF document text
- http://sarahscupcakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ab66d3f3bf---relogasafudifuxobaw.pdfIn PDF document text
- https://norservis.info/files/files/kopajowevapejevopu.pdfIn PDF document text
- http://hunicorn.hu/userfiles/file/16709231152.pdfIn PDF document text
- http://bephoangdung.vn/uploads/ckfinder/files/67258082788.pdfIn PDF document text
- http://www.investing-in-women.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132ae9cce30d---29876473610.pdfIn PDF document text
- https://hbphoto.ca/resimler/files/zunur.pdfIn PDF document text
- http://xn--9p4b29dncp2cc6y.net/upload/fckeditor/file/rufabezexi.pdfIn PDF document text
- http://shinyoungvalve.com/userData/board/file/jalafafep.pdfIn PDF document text
- http://oodow.cn/upload/file/210905172001416918rw3ojtnrggvm.pdfIn PDF document text
- http://zavalinka.by/var/upload/file/56586718487.pdfIn PDF document text
- https://pristineleather.com/userfiles/file/86697325911.pdfIn PDF document text
- https://elnativocoffee.com/silver/upload/files/gosasiduxomo.pdfIn PDF document text
- http://firewaterdamagedfw.com/test/fckeditor/uploadfiles/file/13865665076.pdfIn PDF document text
- http://artgraf24.pl/userfiles/file/39758566396.pdfIn PDF document text
- http://ardechetendancebrut.fr/userfiles/ardechetendancebrut.fr/file/sonivitepavepodezitip.pdfIn PDF document text
- https://rt9.rspo.org/ckfinder/userfiles/files/mokitadezogox.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_off0000ef0d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF0D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001071f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1071F | 18136 bytes |
SHA-256: 49c9a6551ad70f9b6a5ed7d9ecd7c7262c84c1928602bae4576cac79c1af10f2 |
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font_02_sfnt_off000136ce.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x136CE | 10468 bytes |
SHA-256: f176536cb7e7a8af4b01b0393fcf04d3efd25bd1e07f06006df9bb98cc4292f3 |
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