MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
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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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://istanajp2.com/contents/files/22802597184.pdf In PDF document text
- https://cosmopolitanhotel.eu/uploads/wysiwyg/files/58783854191.pdfIn PDF document text
- http://congtrinhnhaviet.vn/upload/files/58951531292.pdfIn PDF document text
- https://ap-qatar.com/userfiles/files/36479701527.pdfIn PDF document text
- https://takarasushimn.com/userfiles/files/navekijekuzotifizovis.pdfIn PDF document text
- http://haisushitogo.com/uploads/files/16284989456.pdfIn PDF document text
- http://systempro.kr/userData/board/file/niruwirejexuwop.pdfIn PDF document text
- https://skykharchono.mn/editor/files/88473976277.pdfIn PDF document text
- http://riph.pl/userfiles/file/kagiluwitapaxumonasodur.pdfIn PDF document text
- https://it-remarketing.pl/app/webroot/media/files/zuwanetefodekukobivuz.pdfIn PDF document text
- http://gamax-motor.cz/data/dokumenty/26138441856.pdfIn PDF document text
- https://plantbiochem.com/ckfinder/userfiles/files/4094890585.pdfIn PDF document text
- https://szallas-karpatalja.net/upload/kanuginap.pdfIn PDF document text
- http://abwnickersonplaza.com/uploads/files/dubafetul.pdfIn PDF document text
- http://www.orarestauratorisaf.it/wp-content/plugins/formcraft/file-upload/server/content/files/16140965092667---zubugidezitabozobasesejig.pdfIn PDF document text
- https://sowlindia.com/userfiles/file/65432722013.pdfIn PDF document text
- http://artio.pl/files/files/48399271225.pdfIn PDF document text
- https://hssanesteban.cl/files/66594646515.pdfIn PDF document text
- http://uzks.hr/upload/datoteke/25025909829.pdfIn PDF document text
- http://gospel-pour-100-voix.com/fichiers/newsletter/file/9248938994.pdfIn PDF document text
- https://pre-www.bridge-academy.com/uploaded/ckeditor/files/52027387632.pdfIn PDF document text
- https://futurefacesnyc.com/uploads/file/49440241278.pdfIn PDF document text
- http://studioarchterreni.it/userfiles/files/jelokikoxibitesetav.pdfIn PDF document text
- https://fairtradeportal.pl/userfiles/file/zuwuxugibula.pdfIn PDF document text
- https://dmddsgn.com/wp-content/plugins/super-forms/uploads/php/files/cfa79d4fca81a70f818ec53d8017d4f8/97557250385.pdfIn PDF document text
- http://cpils.com/userfiles/file/pukepunin.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=free+mp4+juice+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_off0000cc44.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC44 | 18244 bytes |
SHA-256: 19403e2e0010b663c2735610f4144b25538584a6ed75f09091a9606b6f00ba3b |
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font_01_sfnt_off0000fb69.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB69 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011380.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11380 | 10780 bytes |
SHA-256: 6cd431df51fecbbb7fc0815c76809951829c70ac3aa47e686ddba536b75aa659 |
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