MALICIOUS
204
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF document containing embedded JavaScript, which is a common technique for delivering malicious payloads. The JavaScript likely redirects the user to a URL that hosts a second-stage exploit or malware. Several heuristics indicate the presence of malicious links, including a link to an algorithmically-generated URL and links pointing to compromised CMS upload storage, suggesting a phishing or exploit delivery attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9837
Heuristics 8
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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 to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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://gagiongvitgiong.com/ckfinder/userfiles/files/mexikagodalerizivi.pdf In PDF document text
- http://screen.by/images/file/zobuvolupi.pdfIn PDF document text
- http://keralabiblesociety.com/fck_uploads/file/kogojeto.pdfIn PDF document text
- http://viviapalermo.com/userfiles/files/xofurimer.pdfIn PDF document text
- https://www.cukoyem.com.tr/wp-content/plugins/super-forms/uploads/php/files/ibm10d0nd3j20bs904t5jv22n1/97826374026.pdfIn PDF document text
- http://abapaposentados.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1611259a27346b---nowiwedikekekixeregakeb.pdfIn PDF document text
- https://www.clubmanizales.com.co/wp-content/plugins/formcraft/file-upload/server/content/files/160850c862e5be---guromovobiberemezedo.pdfIn PDF document text
- https://landbondcorten.com/attachment/file/ad02031611a6efbb74cc432ad23f5f19.pdfIn PDF document text
- https://archltginc.com/wp-content/plugins/super-forms/uploads/php/files/b0e7b739c3b848781c73098a71e6c276/56795428071.pdfIn PDF document text
- https://eltonltd.ru/sites/default/files/uploads/47726525048.pdfIn PDF document text
- http://amazingindiaphotos.com/amazingindiaphotos//upload/fckimage/file/tevepamuxujokononokininum.pdfIn PDF document text
- https://i-chat.tw/js/ckfinder/userfiles/files/domedenememivufanegasozug.pdfIn PDF document text
- http://ganan10.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/160b925c22e6c7---kizasagapofe.pdfIn PDF document text
- http://condosworld.com/abisol1/userfiles/files/98702711343.pdfIn PDF document text
- http://www.whirlpool-beachcomber.at/wp-content/plugins/formcraft/file-upload/server/content/files/160a846dc9bd2f---xejejakobaputup.pdfIn PDF document text
- https://www.padanguparduotuve.lt/ckfinder/userfiles/files/bupujubekezunise.pdfIn PDF document text
- https://www.diktu.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e755925f5c---jizazatenojutoxuvewewe.pdfIn PDF document text
- https://pluckywize.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f23a0bc9bc---17625285950.pdfIn PDF document text
- http://www.egavilanes.com/ckfinder/userfiles/files/votazavenodaloxujasum.pdfIn PDF document text
- https://floorco.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/0545ce1eb1ddc9e45c3c8b0a798f9326/radepozuzopasofipug.pdfIn PDF document text
- http://totaldeliverancecathedralchurch.com/clients/2/22/22dae496a1749ae881e6bee195142b05/File/90253116069.pdfIn PDF document text
- http://kondicionery-dolgoprudny.ru/upload_picture/file/vawadobuge.pdfIn PDF document text
- http://architettobotteonpierpaolostudioabacus.it/userfiles/files/44879565676.pdfIn PDF document text
- https://printjet.pl/pliki_user/File/6034096934.pdfIn PDF document text
- http://panyuchen.com/ckfinder/userfiles/site_eachfun_com/files/zaweniren.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609704b68ff6d---95475881534.pdfIn PDF document text
- https://www.pfgpartners.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607ffa36dd1b9---jasulerabififu.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=how+many+magnus+chase+books+will+there+bePDF 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_off00022ed5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x22ED5 | 11200 bytes |
SHA-256: a894e8628fe03755f39578526153280789796825d72f9f0a67b36e8fbe52e9ab |
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font_01_sfnt_off000248ea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x248EA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000260fc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x260FC | 18652 bytes |
SHA-256: 51d0ef6b422e37f11420b5a3098b98717bcd24282e56f059887fb551be2f4b3e |
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