MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links, many pointing to compromised CMS upload directories or disposable hosting, indicating a link farm designed to redirect users to malicious content. The presence of multiple external URIs and a link farm heuristic strongly suggests a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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://ofly.om-digitalsolutions.cn/upload/files/59354851109.pdf In PDF document text
- http://xn--365-pn7mwb654m2qn.com/ckupload/files/pobilaxitenatoxaju.pdfIn PDF document text
- https://chingchia.com/uploads/files/202109031254487256.pdfIn PDF document text
- https://www.superioreagle.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614323f03a1dd---zefozupolosumojafoza.pdfIn PDF document text
- http://hk-sai.com/ckfinder/userfiles/files/nonupoju.pdfIn PDF document text
- https://xn--bren-mgenwil-gcbf.ch/sites/default/files/fck-uploads/file/najolidovusejaworof.pdfIn PDF document text
- http://www.kevinbrooks.ca/wp-content/plugins/formcraft/file-upload/server/content/files/161302cc64b466---89629889826.pdfIn PDF document text
- http://rotarylaspalmas.org/documentos/file/90933707292.pdfIn PDF document text
- http://fine-cottage.ru/userfiles/files/58589211724.pdfIn PDF document text
- https://marathonroller.com/userfiles/files/80584765749.pdfIn PDF document text
- https://volpatoebrum.com.br/_common/admin/scripts/ckfinder/userfiles/files/mobivutekexa.pdfIn PDF document text
- http://puntolinea.org/userfiles/files/dagijodobojagutuzatum.pdfIn PDF document text
- http://hosungtour.com/FileData/ckfinder/files/20210917_4E1650C234ED9B3F.pdfIn PDF document text
- https://segurodegranizo.ar/noticias/fckeditor/file/tofimipakezexoru.pdfIn PDF document text
- http://gemmacapitalgroup.com/foto/file/loguteka.pdfIn PDF document text
- https://mimpishio1.com/contents/files/lexuwunovebiliwaka.pdfIn PDF document text
- http://waetsukai.jp/system/ckfinder/userfiles/files/40810077458.pdfIn PDF document text
- https://at2-turbo-j3t.com/contents/files/loliduzebod.pdfIn PDF document text
- https://gmt-tw.com/app/webroot/userfiles/files/nawudunavogazofavekowew.pdfIn PDF document text
- https://waelfawzy.com/userfiles/file/In PDF document text
- https://westcoastmovers.ca/wp-content/plugins/super-forms/uploads/php/files/egk0e9q3eukep0qmnctbet7acq/nonininanirutefotutore.pdfIn PDF document text
- http://tachikawa-derma.biz/ckfinder/userfiles/files/63956762778.pdfIn PDF document text
- http://gsoam.ge/wp-content/plugins/formcraft/file-upload/server/content/files/1613bb8c42939c---13668127306.pdfIn PDF document text
- http://ajeah-intl.org/fck_image/file/98456259704.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=hatsune+miku+39PDF 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_off0000c101.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC101 | 10528 bytes |
SHA-256: 9b6c5a85362eeb1192f9acb7060321026bcee93088862a91ccdc314ec29db032 |
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font_01_sfnt_off0000d8f6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD8F6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f108.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF108 | 20336 bytes |
SHA-256: eff05b514c9084083f3924c409f43d5cf55fa3b68c759a8578b56a4ed47dc931 |
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