MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and a machine learning classifier. It contains embedded JavaScript and numerous external URIs, many of which point to compromised WordPress sites or disposable hosting, indicating a link farm designed to redirect users to malicious content. The embedded JavaScript likely facilitates the redirection or further payload delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9904
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 http://gchsclassof1970reunion.com/clients/6/6a/6a45fbe13d63dbb0eb8070d7cb9dbc89/File/59487270279.pdf In PDF document text
- https://zweiund40.com/wp-content/plugins/super-forms/uploads/php/files/treeenq1pp9jbl63gggnqdaaei/nedegemawapetefijilo.pdfIn PDF document text
- https://kildevangen.dk/files/jasafukive.pdfIn PDF document text
- http://marthomaiticherukole.com/userfiles/file/boguxugepav.pdfIn PDF document text
- http://midiabyz.com/wp-content/plugins/super-forms/uploads/php/files/5fb9d8fc9002fe7decac14a97fd8719d/zosisezisonodi.pdfIn PDF document text
- http://www.520amis.com/upload/files/63182668582.pdfIn PDF document text
- http://maremio.ru/admin/ckfinder/userfiles/files/xatupubekobufibobut.pdfIn PDF document text
- http://abimobiliare.pl/pliki/File/56147962625.pdfIn PDF document text
- http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/dc64bf0cf90c655acf0a5bd149e549f7/595907174.pdfIn PDF document text
- https://bamor.org/userfiles/file/fexuzo.pdfIn PDF document text
- https://broadcasthub.com/ci/userfiles/files/maxamomatutuwuteme.pdfIn PDF document text
- http://xn--80aaffebba2apgigwiiececnggk9e4k.xn--p1ai/pict/file/75451350948.pdfIn PDF document text
- http://birons.net/wp-content/plugins/super-forms/uploads/php/files/a35272e776e2e876fd43020b0e2998a2/malavaripipidurokibet.pdfIn PDF document text
- https://sip7.pl/autoinstalator/sip7.online/wp-content/plugins/super-forms/uploads/php/files/d350595c9896a8d779a10e3ed1728a9d/20925152140.pdfIn PDF document text
- http://lifemartrealestateconnect.com/wp-content/plugins/super-forms/uploads/php/files/2v4v53uf65gamn0fajg866s2r5/48337158882.pdfIn PDF document text
- http://profisystem.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160bec0bcade41---13606885432.pdfIn PDF document text
- http://acmemask.com/upfiles/editor/files/93771451786.pdfIn PDF document text
- http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/ki6ko5ivd8vnpf4hb5pc0bklk3/guwifatogodevenetumux.pdfIn PDF document text
- https://www.medipratik.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca9036d895---kebimeberitilexovot.pdfIn PDF document text
- http://panyuchen.com/ckfinder/userfiles/site_eachfun_com/files/28680370680.pdfIn PDF document text
- http://biurod9.pl/public/userfiles/file/wezaja.pdfIn PDF document text
- http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160b1e867a899b---18303087436.pdfIn PDF document text
- http://ikuma-car.com/js/upload/files/bonuvafoxojirixuvosakura.pdfIn PDF document text
- https://bokseinstituttet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16084156e6ed12---zodaxi.pdfIn PDF document text
- https://agmatbaa.com/upload/files/76596209265.pdfIn PDF document text
- http://dianacb.cz/userfiles/file/jewojisinojoxebatowu.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=how+do+i+set+the+time+on+a+timex+ironman+watchPDF 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_off0000ebc4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBC4 | 10768 bytes |
SHA-256: ebe4025408fea55e9231937f74ea2f273543a1eb48051229b7e09ddd8faf55a0 |
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font_01_sfnt_off0001046e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1046E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011c80.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C80 | 18160 bytes |
SHA-256: 93a5740a12ec53c7f5d448b7b7bffdf15941fe334336e977786e7dd9e4ad1399 |
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