MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, and exhibits characteristics of a link farm hosted on disposable or compromised domains. Multiple heuristics indicate the PDF contains numerous external URIs and link farms, suggesting a phishing or malware distribution lure. The presence of embedded URLs and the overall structure point towards an attempt to redirect the user to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.5316
Heuristics 5
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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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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://synerhu.ru/uplcv?utm_term=after+full+movie+123 PDF link annotation
- http://hyundaihungthinh.com/uploads/images/files/logejexamowovufakumezan.pdfIn PDF document text
- https://rireenfrance.com/images/upload/files/vodelifufewuvuk.pdfIn PDF document text
- https://www.inkfactory.pk/wp-content/plugins/formcraft/file-upload/server/content/files/161352cc67ff44---nuzalebadoni.pdfIn PDF document text
- http://eviljoy.com/UserFiles/File/82519548946.pdfIn PDF document text
- http://telektrans.hu/editor_up/65765489508.pdfIn PDF document text
- http://carsonpokebar.com/uploads/files/30415565568.pdfIn PDF document text
- http://jinruily.com/UploadFile/file/20210911100658726.pdfIn PDF document text
- https://digireg.gr/upload/subetofuguvebutof.pdfIn PDF document text
- https://miamivanservice.net/wp-content/plugins/formcraft/file-upload/server/content/files/16146fbeadbb04---6262072006.pdfIn PDF document text
- https://khotelmarket.com/FileData/ckfinder/files/20210910_AB1ABC67F2B208A2.pdfIn PDF document text
- http://www.mbk-montage.nl/ckfinder/userfiles/files/jidixazezesekexexuke.pdfIn PDF document text
- https://vayamcs.com/content_files/files/55624839336.pdfIn PDF document text
- http://bafiti.com/sklep/userfiles/file/demutufaxaxijusedipek.pdfIn PDF document text
- http://hongdanhaudio.com/luutru/files/54765200962.pdfIn PDF document text
- https://granitabrasive.ro/editor_up/ziratidepirirusanugawe.pdfIn PDF document text
- https://booknowrentalimo.ch/userfiles/files/38385628272.pdfIn PDF document text
- http://zuche0551.com/upload/file/besumanugowafesezi.pdfIn PDF document text
- https://brokenspoke.com/wp-content/plugins/super-forms/uploads/php/files/9e9b7ea4f7a9409ee2ca628a383ba27f/titemekavo.pdfIn PDF document text
- http://www.vishalsahni.com/public/ckfinder/userfiles/files/47454468896.pdfIn PDF document text
- http://www.museopizarra.com/ckfinder/userfiles/files/15383502293.pdfIn PDF document text
- http://jewelry-shopping-city.com/uploads/files/202109130651374741.pdfIn PDF document text
- http://elencostruzioni.it/userfiles/files/majavuwobivazufikosedimo.pdfIn PDF document text
- http://lexxyin.net/files/fckeditor/file/viwej.pdfIn PDF document text
- http://a-xian-coat.com/uploads/files/202109041536578285.pdfIn PDF document text
- http://acetuitioncentre.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16147517e092ba---40263836101.pdfIn PDF document text
- http://opt-russtd.ru/data_center/upload_pictures/file/17762586096.pdfIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d070.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD070 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e887.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE887 | 10432 bytes |
SHA-256: d1d83322f4ea100de22bd20e803163138b41cd6e371699b4a7741b72cbd0eab9 |
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