MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document was flagged by ML classifiers and ClamAV as malicious, with a high heuristic score indicating it functions as a link farm. It contains numerous external URLs pointing to other PDF files, many hosted on distinct and potentially disposable domains, suggesting a phishing or malware distribution scheme. The presence of a 'utm_term_redirector' heuristic further supports the idea of traffic redirection for malicious purposes.
Machine Learning
- Nyx PDF Classifier malicious score 0.9909
Heuristics 5
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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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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 http://dytac.hk/userfiles/pupesakifaberid.pdf In PDF document text
- https://dveropolis.ru/upload_picture/46442574533.pdfIn PDF document text
- http://myslizdrave.com/soubory/gozemupirozewixavufutodes.pdfIn PDF document text
- http://zhymwz.com/upfile/file/96721290148.pdfIn PDF document text
- http://nagyberki.hu/sites/default/files/fck_uploads/file/fesizekexijepowetesa.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16158d33f47f68---40188810866.pdfIn PDF document text
- http://rund.cz/UserFiles/File/35305596344.pdfIn PDF document text
- https://niboparis.com/upload/fckeditor/files/14419291355.pdfIn PDF document text
- http://bilcafe.it/userfiles/file/1730962487.pdfIn PDF document text
- http://af.ssla.ru/images/fornews/files/fitujovibosuk.pdfIn PDF document text
- https://sumangold.net.vn/wp-content/plugins/super-forms/uploads/php/files/2m8kkjop4c9tbhdfhjbfnkidjp/42653484130.pdfIn PDF document text
- http://zbigniewrodak.pl/galeria/file/zevenesanoloz.pdfIn PDF document text
- http://rana-international.com/userfiles/files/70713172743.pdfIn PDF document text
- http://teamwork-poetschke.com/ckfinder/userfiles/files/66731498688.pdfIn PDF document text
- https://venusnvs.com/userfiles/file/42698485354.pdfIn PDF document text
- http://heydarbaba.org/resimler/files/48146002985.pdfIn PDF document text
- http://www.moyekolodin.com/files/62239875868.pdfIn PDF document text
- http://vin-baietii.ro/ckfinder/userfiles/files/43575072447.pdfIn PDF document text
- http://metalzilemboeventi.com/userfiles/files/sofuditebibopusa.pdfIn PDF document text
- http://czernavendeghaz.hu/admin1/file/97158493603.pdfIn PDF document text
- https://saglamahsapkutu.com/img/editor/image/file/17259760509.pdfIn PDF document text
- http://bordahusfeldolgozo.hu/editor_up/davif.pdfIn PDF document text
- http://chretkinia.pl/userfiles/file/basokunowe.pdfIn PDF document text
- http://henanshuangxin.com/d/files/20644023026.pdfIn PDF document text
- https://ra7a7p-h3ba7.com/contents/files/xijudabe.pdfIn PDF document text
- https://cylinder96.ru/admin/ckfinder/userfiles/files/4541793634.pdfIn PDF document text
- http://hcm-invoice.vn/hinhanh_fckeditor/file/fefupezu.pdfIn PDF document text
- https://feedproxy.google.com/~r/Gsjc/~3/Z3ufxtS7Wvw/uplcv?utm_term=gross+misconduct+meaningPDF 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_off0000b4b7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB4B7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ccc9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCCC9 | 15156 bytes |
SHA-256: 5f78ed7085fe3ac6f683b0bc18ffee77d568fd9a33522aa898bc34c28a94a244 |
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font_02_sfnt_off0000f33e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF33E | 10808 bytes |
SHA-256: 671e5b990e804541ac5a6135ee728880aef0b149bf584b0d12158e4ae089f70a |
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