MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It functions as a link farm, with numerous URLs pointing to potentially compromised or disposable domains, suggesting a phishing or malware distribution scheme. The presence of external URI heuristics and link farm indicators further supports this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://crewmak.ru/uplcv?utm_term=can+deleted+photos+be+recovered+from+phone PDF link annotation
- http://fabtur.ru/upload/files/pawumoxabofup.pdfIn PDF document text
- http://profisystem.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16139ad3fe6b16---viweseb.pdfIn PDF document text
- http://rubella2.integra-sh.com/userfiles/file/sulemejagifefofexiru.pdfIn PDF document text
- https://www.allterra.group/wp-content/plugins/super-forms/uploads/php/files/e3d2fc90e3cad25f42b09305c109f7f1/97472421035.pdfIn PDF document text
- https://at-studio.tw/app/webroot/userfiles/files/20210910_171017.pdfIn PDF document text
- https://mosallaesf.ir/uploads/ck/files/vujigab.pdfIn PDF document text
- http://ecohost.ru/pics/images/file/zenugijisuv.pdfIn PDF document text
- https://yar-net.ru/userfiles/file/26513230640.pdfIn PDF document text
- http://melvin.cz/data/6146045688.pdfIn PDF document text
- http://pr-jam.com/ckfinder/userfiles/files/60347235669.pdfIn PDF document text
- http://mawratanews.com/armedia/uploads/files/53657446584.pdfIn PDF document text
- http://urbancollab.com/userfiles/Proj_Name/files/22234107684.pdfIn PDF document text
- http://re-media.ru/foto/ck/files/82485895141.pdfIn PDF document text
- https://sumangold.net.vn/wp-content/plugins/super-forms/uploads/php/files/8qc59ermp3ql6l31iqt25rhcfp/tamojuvatu.pdfIn PDF document text
- http://hevolta.com/upload/file/59453151978.pdfIn PDF document text
- http://mfahk.com/upload/files/dototigidumeli.pdfIn PDF document text
- http://rudolphi.nu/userfiles/file/vugibuzubisuta.pdfIn PDF document text
- http://www.linkkorea.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/1613e3feb7b056---melanemopabapolelofa.pdfIn PDF document text
- http://gf-location.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16134aed0700e1---sapazotituf.pdfIn PDF document text
- http://www.yemany.com/yemfiles/files/97049608178.pdfIn PDF document text
- http://robedecreateur.com/img/files/fagidekawuwat.pdfIn PDF document text
- http://bioident.pl/photos_fck/file/leletegege.pdfIn PDF document text
- http://uleshuzatshop.hu/files/file/xaridafiberu.pdfIn PDF document text
- http://thanhlamresort.vn/wp-content/plugins/formcraft/file-upload/server/content/files/1613be57eacabd---wuvazajotuwadizonixikizo.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_off0000c8d3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC8D3 | 18040 bytes |
SHA-256: 66290fece0d2bbd7542a270465e46f806734183817153344d4d0c9a40e98edaa |
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font_01_sfnt_off0000f7f0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7F0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011007.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11007 | 11028 bytes |
SHA-256: 36b63a99e16708078a481b39181dabdd33084d8151cc96b8038fc6e8c8f5c55b |
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