MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample contains embedded JavaScript, a common technique for executing malicious code within PDFs. It also features multiple link farms pointing to external PDFs hosted on what appear to be compromised WordPress sites, suggesting a phishing or malware distribution campaign. The ClamAV detection and ML classifier strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9840
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://www.gunyagder.org.tr/wp-content/plugins/super-forms/uploads/php/files/3q11alq4omc9e9jt0sptnlgon3/18751299589.pdf In PDF document text
- http://ourpreferred.com/userfiles/files/nevedunojevilakofo.pdfIn PDF document text
- http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/asc9nr8tq4fmrg6unl30sjgk66/sepokofadokolate.pdfIn PDF document text
- http://plusk-car.com/js/upload/files/xowokinonawiti.pdfIn PDF document text
- http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141bda5e3ab2---vagilisoxulufi.pdfIn PDF document text
- http://tottazo.com/userfiles/file/30448143591.pdfIn PDF document text
- https://araprinter.com/ckfinder/userfiles/files/52439817613.pdfIn PDF document text
- https://sooryasales.com/uploads/file/65926785260.pdfIn PDF document text
- http://boonfagrandhome.com/user_img/files/62325738130.pdfIn PDF document text
- https://medarbindia.org/ckfinder/userfiles/files/novipekatevijetofip.pdfIn PDF document text
- http://agrobud.net/uploaded/file/pifopefilemiz.pdfIn PDF document text
- https://staffxrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/01bd4758e15af48938a4f9f3e1374062/1052485460.pdfIn PDF document text
- http://kcde.kr/userfiles/file/wozalazej.pdfIn PDF document text
- http://igabana.com/upfolder/e/files/20210914135947.pdfIn PDF document text
- http://farmaciafasolis.eu/userfiles/files/vunura.pdfIn PDF document text
- http://xn--80aagkbrca3apkgkee0a1bi.xn--p1ai/ckfinder/userfiles/files/86412144659.pdfIn PDF document text
- https://girisimhaber.com/uploads/file/zidiworezofevedaxarememu.pdfIn PDF document text
- http://synerfreight.com/syner_upload/images/files/38838453832.pdfIn PDF document text
- https://sanagustin.cl/files/79374120512.pdfIn PDF document text
- http://boek.se/bilder_umeny/File/likaruxabig.pdfIn PDF document text
- http://teplospectr.ru/images/files/33602532502.pdfIn PDF document text
- https://adium.ru/userfiles/file/nasidupe.pdfIn PDF document text
- https://majubesar.net/contents/files/64717926313.pdfIn PDF document text
- http://bonezi.morefriendship.com/upload/files/finozizosigaf.pdfIn PDF document text
- http://gmei.lt/ckfinder/userfiles/files/43736012919.pdfIn PDF document text
- http://atlantichomeportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138cf6477df5---jojipu.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=telegram+videos+not+playing+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_off0000be75.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBE75 | 10880 bytes |
SHA-256: 38d3367dbb26ea01cf9760482008a483b3e26ccbf50600f07d170f4f3cd39c5a |
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font_01_sfnt_off0000d769.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD769 | 16604 bytes |
SHA-256: 7b4dd61dd305f7a013ec1b5abacb4e21b5259ffba89364081c020047c7d7efa6 |
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font_02_sfnt_off00010263.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10263 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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