MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which are part of a link farm on disposable hosting. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or distributing further malware. The embedded JavaScript is a common technique for exploiting PDF vulnerabilities or redirecting users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9923
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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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 http://jump360.co/upload/files/20210911054325.pdf In PDF document text
- http://qunjl.com/userfiles/files/bajodawukemikefa.pdfIn PDF document text
- https://fultoys.com/userfiles/tatetoratigefoga.pdfIn PDF document text
- https://juniorclublivorno.com/sitonews/images_upload/files/24600953664.pdfIn PDF document text
- https://bd-sokolovska.eu/userfiles/file/27920960148.pdfIn PDF document text
- http://cesishotel.lv/res/wysiwyg/file/kowidanipiwum.pdfIn PDF document text
- https://ivfnna.gr/wp-content/plugins/super-forms/uploads/php/files/f84bec01006f503abb01c151f8113895/riredenukigigu.pdfIn PDF document text
- https://www.funes.gob.ar/ckfinder/userfiles/files/kisomivopusezem.pdfIn PDF document text
- http://datong-travel.tw/upload/ckeditor/files/20210902054413.pdfIn PDF document text
- https://estduquebec.com/scripts/php/xenocode/lib/ckfinder/userfiles/files/58676959744.pdfIn PDF document text
- https://himarco.ir/basefile/himarcoir/files/rugojakupoka.pdfIn PDF document text
- https://rsun.pro/admin/ckfinder/userfiles/files/sogufokixuso.pdfIn PDF document text
- http://synergyproperty.com/images/files/69758624554.pdfIn PDF document text
- http://ort168.com/upload/ckeditor/files/xusiruxekedasawofapiweto.pdfIn PDF document text
- http://mikllc.mn/uploads/files/vimemoxewakudafefixa.pdfIn PDF document text
- https://ww150001.linebot.net/upfile/files/20210906224533.pdfIn PDF document text
- http://hnfhdc.com/UpLoadFile/2021091115342778496.pdfIn PDF document text
- http://bagpack.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/1613ff95f79506---lusezaniga.pdfIn PDF document text
- https://loyd.rs/images/file/merelukegalonajelowiwapix.pdfIn PDF document text
- https://infotechb2blite.com/bot/ckfinder/uf/files/vamobakow.pdfIn PDF document text
- http://mixmarketing.vn/upload/fck/file/vufedafe.pdfIn PDF document text
- http://studiosiciliani.eu/userfiles/files/12213753899.pdfIn PDF document text
- http://appextskihjthj.handysociality.com/upload/files/44847083536.pdfIn PDF document text
- https://gancza-yacht.pl/userfiles/file/30456991715.pdfIn PDF document text
- http://technoauto.jp/js/upload/files/lofujenafuwevut.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=background+noise+removal+app+for+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_off00011f87.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F87 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001379e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1379E | 11176 bytes |
SHA-256: 0af477411ae7c6f53fafdba8d05f5c7b2df41266dd139dea11d39cd08bbb13fb |
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font_02_sfnt_off00015194.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15194 | 21424 bytes |
SHA-256: 3790d84a18d24df5f1edc3a1fbb794eab0a319909eafb4e7ed3ed8ea7b59c24b |
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