MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which point to compromised CMS upload directories or are part of a link farm on disposable hosting. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or malware distribution via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
Heuristics 7
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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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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://queure.ru/uplcv?utm_term=jagde+raho+song+download
- https://kalatranslation.co.uk/wp-content/plugins/super-forms/uploads/php/files/vq97oeu2i2u6nk829rljskprmo/26685066245.pdf
- http://abwmercury.com/uploads/files/puvanubadowobifitogi.pdf
- http://kbinteriery.cz/userfiles/file/nepelutaxov.pdf
- http://vangphutai.com/images/uploads/files/99478990570.pdf
- http://worldcar.jp/userfiles/files/31790777974.pdf
- http://dobryremont.pl/ebobas/portal/app/webroot/img/tmp/file/16308982745283.pdf
- http://capitolmetrophysicaltherapy.com/userfiles/file/1129479114.pdf
- http://cuacuonnhanh.vn/Images_upload/files/31275539113.pdf
- http://inwallendorf.de/userfiles/file/55067941757.pdf
- http://all-vehicle.net/js/upload/files/tokepatipefudonebepiri.pdf
- https://tiemhoamo.com/data/dulieu/files/37364738083.pdf
- https://arichaindia.com/userfiles/file/lotegixedifi.pdf
- https://asiatravel.kg/wp-content/plugins/super-forms/uploads/php/files/86cd95045a2ab8bd982ed451c00a144f/tezubigetolano.pdf
- http://fotografieindex.nl/images/uploads/bejorozozixebakumulalipu.pdf
- http://helder-effect.nl/userfiles/file/fogit.pdf
- http://ghettaetamionarchitetti.it/userfiles/files/zuxiven.pdf
- http://zssadkowice.pl/pliki/bodomufarabim.pdf
- https://pyhm.ca/wp-content/plugins/super-forms/uploads/php/files/p2n0000pbqoc4dqgmpr1hcqgp7/85646807512.pdf
- http://hmondo.com/userData/board/file/98385032174.pdf
- http://youngdongtec.com/userfiles/file/welawajum.pdf
- https://granitnet.hu/editor_up/10338911909.pdf
- http://wskinbody.com/data/boardData/files/geniburexi.pdf
- http://lawcab.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1613c707d79704---juxiwovefusolit.pdf
- http://kaies.cn/upfiles/210907005745356268eur2i6.pdf
- http://adamlegal.com/userfiles/file/91948992558.pdf
- http://www.nationaalgolfcongres.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613ccbb07e490---9094917681.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_off0000cdd9.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCDD9 | 16792 bytes |
font_01_sfnt_off0000e5f0.bin5be8f53a0ca965a9c50f2e39c6608bb4d527c7b47639ee97ab7118bcdd55578a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE5F0 | 10416 bytes |
font_02_sfnt_off0000fd49.bin1fc370abcbc0c9853aef7f8c709e429d0f01192541c295ee81bf4e8bef2bb333 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD49 | 18176 bytes |
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