MALICIOUS
204
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous links to external sites, many of which are hosted on compromised CMS platforms or disposable domains. The heuristic 'SE_PASSWORD_ARCHIVE_LURE' indicates the document likely instructs the user to download a password-protected archive, a common tactic to bypass gateway security. The ML classifier and ClamAV detection strongly suggest malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
Heuristics 8
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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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://oniceh.ru/uplcv?utm_term=2k20+wwe+for+ppsspp
- http://abpjseah.news-read.com/upload/files/27333555013.pdf
- http://izr.fr/files/10853371476.pdf
- http://travel-door.com/userfiles/file/zobigukovepurobogubiperu.pdf
- http://plusbateria.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f42807bd42---75766457185.pdf
- http://jwconsult2005.com/file_media/file_image/file/42090224261.pdf
- https://intelean.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132ac04e7ef2---lejomu.pdf
- https://millvalley.com/wysiwygfiles/file/rupigi.pdf
- https://ud-hobby.com/images/Upload/file/98803960244.pdf
- https://alshamiltrading.com/alshamilfiles/file/wudovowegojolekuzolojevom.pdf
- http://tungalag.mn/userfiles/files/43434530371.pdf
- https://sellos-mecanicos.com/wp-content/plugins/super-forms/uploads/php/files/2e2e5bdf019b526075708d8782904c42/84345550931.pdf
- https://www.shopveriamici.com/wp-content/plugins/super-forms/uploads/php/files/2ru1cgrl14ef2n2tdkii1e6s51/nijiduvepipasuwaxonifudo.pdf
- https://highendteen.com/userfiles/files/92569263911.pdf
- http://elenasteele.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f4819c9727---xibalolitev.pdf
- https://o2opr.co/userfiles/files/sejebopidizinedula.pdf
- https://szallas-karpatalja.hu/upload/bikovuguzekes.pdf
- http://wxdyzs.com/userfiles/files/jitanoxisipilovonebe.pdf
- http://begemot-rus.com/uploadfiles/file/2021091012314873499.pdf
- http://erisalaw-chicago.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/87522386268.pdf
- http://irmascaritasdejesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613e6f476cfd6---149651980.pdf
- http://e-menu.hu/editor_up/71798301720.pdf
- http://laarakkers.com/ckfinder/userfiles/files/vugotodatisosu.pdf
- https://vallejardin.com/wp-content/plugins/super-forms/uploads/php/files/f254686faa52691fa536efa0b38f3b19/80751335948.pdf
- http://intemhathanh.com/img_duhoc/files/galitinanovezukenawe.pdf
- http://epoch-making.jp/js/upload/files/gedoraziz.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000fa5c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA5C | 16792 bytes |
font_01_sfnt_off00011273.bin3d06207d793f267fde6e0cbd78117db1055fa0068a8d62535ce57f4994c9bf5f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11273 | 10172 bytes |
font_02_sfnt_off00012974.binab0eb2c0ff85c5f62bc44950cae99650a20c357d8c94c2d13ce0106a578935a1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12974 | 19164 bytes |
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