MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. Several heuristics point to the PDF acting as a link farm, directing users to potentially compromised or malicious websites. The presence of numerous unknown URLs suggests an attempt to distribute or host malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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 http://homeopathyhongkong.cn/files/63168101108.pdf In PDF document text
- https://cfaegaianascente.pt/portal/userfiles/files/mipobafidowuzonozefuko.pdfIn PDF document text
- http://thuaphatlailongthanh.com/upload/contentFile/minhchau/file/3883186307.pdfIn PDF document text
- http://alptw.com/images/files/jigabefefuwaxidu.pdfIn PDF document text
- https://vienhung.com/webroot/img/files/zirukajexobanetezukibukes.pdfIn PDF document text
- http://crmloccitanecr.com/campannas/file/foxik.pdfIn PDF document text
- http://archissimo.eu/userfiles/files/miluv.pdfIn PDF document text
- https://maftplayer.net/calisma2/files/uploads/ropetobagigo.pdfIn PDF document text
- http://verkaufs-akademie.com/userfiles/file/pamekavejigesep.pdfIn PDF document text
- http://casms.org/atts/news-files/file/varusiduvavabokaluradix.pdfIn PDF document text
- https://dalycity.com/wysiwygfiles/file/kafidibatolurise.pdfIn PDF document text
- http://cheumst.com/upload/fckeditor/file/futaludilurovi.pdfIn PDF document text
- http://www.chatanakonci.cz/userfiles/file/98094523714.pdfIn PDF document text
- https://kingcom.edesign.fr/gr33/web/uploads/assets/file/63167969361.pdfIn PDF document text
- https://thehamptonsbloomington.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614238172d8a5---bejupebuzesuzedof.pdfIn PDF document text
- http://aydinservis.com/ckfinder/userfiles/files/dotesani.pdfIn PDF document text
- https://www.toptalentusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c3220aa9e3---10229114307.pdfIn PDF document text
- http://liceoadultos.juniorcollege.cl/userfiles/files/buzebivenoxituvijuvof.pdfIn PDF document text
- https://baruipur.org/ckfinder/userfiles/files/10743790259.pdfIn PDF document text
- http://kant21.com/userData/board/file/9006592331.pdfIn PDF document text
- http://harrodsrentacar.com/public_html/userfiles/file/58761409751.pdfIn PDF document text
- http://www.gainerwindows.ca/wp-content/plugins/super-forms/uploads/php/files/gb2875vdbt346e1ga48sd54174/80593352961.pdfIn PDF document text
- http://angarakshaksecurity.com/userfiles/file/65037683221.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=play+wolf+rpg+on+androidPDF 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_off0000d73b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD73B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ef52.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF52 | 10476 bytes |
SHA-256: 238460f48077fbe57a460b8d1aeabcea9c0eaeb0a26cbb5024b78b9be60e37d9 |
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font_02_sfnt_off00010709.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10709 | 17364 bytes |
SHA-256: e4bd159f2cf82283f41fc219ef826b13557963f55d75c6daef60ff639903fae0 |
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