MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded JavaScript and numerous external URIs, many of which point to compromised CMS uploads or disposable hosting. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a deliberate attempt to create a link farm. The embedded JavaScript likely facilitates the redirection to these malicious URLs, aiming to deliver phishing content or further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
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://crewmak.ru/uplcv?utm_term=ender%27s+game+book+pdf PDF link annotation
- http://another-partner.morefriendship.com/upload/files/74881079942.pdfIn PDF document text
- http://radyoislam.com/resimler/files/rojixa.pdfIn PDF document text
- http://www.tsssport.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613bbec636ec5---bavaxosedefojapon.pdfIn PDF document text
- http://vishwkarmaenterprises.com/webroot/img/userfiles/files/mujopejabagepabuko.pdfIn PDF document text
- https://camphacement.vn/upload/files/varerulelotokadur.pdfIn PDF document text
- https://patriot.ch/wp-content/plugins/super-forms/uploads/php/files/hq4h8l4bgculdibogcb3ptljhs/varizesora.pdfIn PDF document text
- http://desiaussies.com/ckeditor/uploads/files/xovoninixadeverogivew.pdfIn PDF document text
- https://edubox.mn/uploads/users/0/files/dizerovunimanumuka.pdfIn PDF document text
- https://delphin-restaurant.com/ckfinder/upload/files/17458112421.pdfIn PDF document text
- http://3gr-group-com.gbintl.com/ci/userfiles/files/36825248684.pdfIn PDF document text
- https://manpowernepal.net/ckfinder/userfiles/files/xasegozogedurigiwowuj.pdfIn PDF document text
- http://nguyenthaotech.com/upload/files/jogozux.pdfIn PDF document text
- http://xn--djr00fsyfv0o5qgy9u.net/filespath/files/20210904052433.pdfIn PDF document text
- http://ventmetal.ru/userfiles/files/80300178183.pdfIn PDF document text
- http://boston.pl/fck_pliki/file/feketepebowotuxefu.pdfIn PDF document text
- http://knx-shop.ru/admin/ckfinder/userfiles/files/67130246829.pdfIn PDF document text
- http://joyandwowbook.com/upload/file/leran.pdfIn PDF document text
- https://aaaxxion.info/images/file/71101430867.pdfIn PDF document text
- http://2sisaccount.com/userfiles/files/sajifinupizepifo.pdfIn PDF document text
- http://9262895.ru/ckfinder/userfiles/files/18330414998.pdfIn PDF document text
- http://plenar.hr/wp-content/plugins/formcraft/file-upload/server/content/files/161306d800f1eb---zasodiduj.pdfIn PDF document text
- http://www.jacenter.org/js/ckfinder/userfiles/files/ratudimixuneletujiripaku.pdfIn PDF document text
- http://locthanhwindow.com/img_duhoc/files/58383508746.pdfIn PDF document text
- https://qatarsecurityservices.com/public_html/userfiles/file/denuxe.pdfIn PDF document text
- 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_off0000e1ee.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1EE | 18292 bytes |
SHA-256: 98ac11c1375bec8f56332f8b51cccbb7078a5f8957525134bb11768276db9cd4 |
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font_01_sfnt_off00011147.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11147 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001295e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1295E | 10852 bytes |
SHA-256: e55c8e0ef7046f640f7c13a575210d26e6a93fd8c72c93a3fd37bb91161eb2ba |
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