MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was identified as malicious by ML classifiers and ClamAV, exhibiting characteristics of a phishing lure. It contains numerous external links, many pointing to disposable domains, suggesting a link farm used to obscure the ultimate destination. The document body is heavily obfuscated, but the presence of a clickable action and the overall structure strongly indicate an attempt to redirect the user to a malicious site.
Machine Learning
- Nyx PDF Classifier malicious score 0.9957
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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Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LUREPDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 67 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
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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://greenbiotech.vn/uploads/userfiles/file/daxazudegazoruxoledajib.pdf In PDF document text
- https://mcdelandes.ca/uploads/file/jopevubuvidimadu.pdfIn PDF document text
- http://sayarbobinaj.com/file/kerulepipobufa.pdfIn PDF document text
- http://anapharmata.hu/ckfinder/core/connector/php/files/golitedukogagabetixogapu.pdfIn PDF document text
- https://drainscovers.com/wp-content/plugins/super-forms/uploads/php/files/d99dd361a741e872c8f3499fa1fb645b/51793330002.pdfIn PDF document text
- https://tjpapigroup3.com/contents/files/timavisepokizekafetibuxa.pdfIn PDF document text
- http://huarui-bio.com/upload/files/wofonug.pdfIn PDF document text
- http://liga-stf.ru/i/upload/files/44111493782.pdfIn PDF document text
- https://digiconelectronics.com/media/59990108282.pdfIn PDF document text
- http://szentistvanpatika.hu/upload/file/bajoru.pdfIn PDF document text
- http://twsl.mingann.info/upload/ckfinder_temp/files/20210924075603.pdfIn PDF document text
- http://diennuocdanang.com/uploads/image/files/39884608612.pdfIn PDF document text
- https://farsiherbal.com/cache/fck_files/file/49158107085.pdfIn PDF document text
- http://willettelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/lokud.pdfIn PDF document text
- http://shepardinteriordesign.com/rw/upload/file/laviputibenigiv.pdfIn PDF document text
- http://www.whirlpool-beachcomber.at/wp-content/plugins/formcraft/file-upload/server/content/files/1613841ae1c1a2---gujivifeta.pdfIn PDF document text
- http://popeyebio.com/upload/files/50612030875.pdfIn PDF document text
- http://pnalog.ru/images/file/vapelupekuf.pdfIn PDF document text
- http://faw-asia.com/image/upload/files/detevimonarutejugonugovel.pdfIn PDF document text
- http://pawsandtiaras.com/ckfinder/userfiles/files/77771725656.pdfIn PDF document text
- http://fcv-bo.org/data/fcv-bo/userfiles/file/muguj.pdfIn PDF document text
- https://nsck-cykelmotion.dk/userfiles/file/88606539731.pdfIn PDF document text
- http://tianlanlawyer.com/filespath/files/20210904085419.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=screen+recorder+and+video+recorder+apk+downloadPDF 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_off0000adbb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xADBB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c5d2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC5D2 | 10560 bytes |
SHA-256: 7b4864162c6ea4a6a167a2eb19e91fa4c0aa66d62e9c39ec40d30ab9eabc0082 |
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font_02_sfnt_off0000de00.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE00 | 14416 bytes |
SHA-256: e2887bfdf403bcda9d63467131b60c207f1f4a649865cd03264dcdcda98f8b30 |
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