MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by a machine learning classifier and ClamAV, indicating a high likelihood of malicious intent. Heuristics indicate the document functions as a link farm, directing users to multiple external websites, some of which are hosted on compromised CMS uploads. The presence of numerous unknown URLs suggests a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9885
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://sangolongphuong.vn/longphuong/news/files/49889543965.pdf In PDF document text
- http://ambvet-trefontane.eu/userfiles/files/jiwewixubuno.pdfIn PDF document text
- http://schokozentrale.de/idata/kubevoxagexozew.pdfIn PDF document text
- http://baraanduliaptti.org/userfiles/file/12857996012.pdfIn PDF document text
- http://gnatowski.pl/attachments/file/bamunoxaxolir.pdfIn PDF document text
- http://le-lemniscus-incandescent.fr/ckeditor/upload/files/titid.pdfIn PDF document text
- http://www.grundys.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1612ee6da18056---31338750427.pdfIn PDF document text
- http://biosystech.com/pdsFck/file/31023326026.pdfIn PDF document text
- http://rafaelstore.ru/upload/files/95128298335.pdfIn PDF document text
- https://centar-znr-zop.hr/wp-content/plugins/formcraft/file-upload/server/content/files/16140d611d7387---kufilabonakulefixidi.pdfIn PDF document text
- https://djennebeads.com/nbloom/fckuploads/file/pesudemonunagikij.pdfIn PDF document text
- http://www.ortodonciaelisafarache.com/ckfinder/userfiles/files/bogonarizazi.pdfIn PDF document text
- http://imobiliariaimperio.com/files/files/79894750678.pdfIn PDF document text
- http://ark-mr.com/data/home/qxu2063190031/htdocs/uploadfile/files/punude.pdfIn PDF document text
- http://www.seminariomenorvalencia.com/admin/lib/ckfinder/userfiles/files/42709908826.pdfIn PDF document text
- http://psycare-spb.com/userfiles/file/jurepupilajuviraropun.pdfIn PDF document text
- https://www.xcelsus.de/wp-content/plugins/formcraft/file-upload/server/content/files/1614bf858587a7---79999673272.pdfIn PDF document text
- https://cutletsmeat.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612ff0cbaec7f---26875246328.pdfIn PDF document text
- http://dietmoiquangle.com/webroot/img/files/15705707385.pdfIn PDF document text
- http://grotech.in/userfiles/file/galubesunedasutuligi.pdfIn PDF document text
- http://tageedesign.com/ssmpt/documents/file/pekinedosumono.pdfIn PDF document text
- https://www.americanapi.com/wp-content/plugins/formcraft/file-upload/server/content/files/161387b3ab5c96---vanefitatujozujetotato.pdfIn PDF document text
- http://www.binghan.my/userfiles/file/8219220802.pdfIn PDF document text
- https://www.myjamaicais.com/wp-content/plugins/super-forms/uploads/php/files/e2eb91eae3e06654e382c3587d71a2d9/6489495823.pdfIn PDF document text
- http://kondicionery-dolgoprudny.ru/upload_picture/file/70357187388.pdfIn PDF document text
- https://onlinendttraining.net/files/67466444008.pdfIn PDF document text
- https://eecpowerindia.com/codelibrary/ckeditor/ckfinder/userfiles/files/ximizizomutaf.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=omegle+video+calling+chat+online+freePDF 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_off0000ba5a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBA5A | 16976 bytes |
SHA-256: 57c168411a5c328bd3f7ea57e802cc67da7b81af5a050297226bb2b36fc37fa1 |
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font_01_sfnt_off0000e609.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE609 | 10848 bytes |
SHA-256: d83112522a5c6dee2e9976691206761c3f6a0fd40e733e73104109020c945d5a |
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font_02_sfnt_off0000feaa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFEAA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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