MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF contains embedded JavaScript and numerous links to external PDF files, many hosted on disposable domains or compromised CMS uploads. The heuristic firings indicate a link farm designed to distribute other malicious PDFs, likely as part of a phishing or scam campaign. The embedded JavaScript is likely used to facilitate the redirection or download of these secondary payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9972
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://corcreation.twbiz.me/data/fckeditor/files/20210911_095911.pdf In PDF document text
- https://bosingels.nl/ckfinder/userfiles/files/bugirozegaxera.pdfIn PDF document text
- http://mudrberanova.cz/userfiles/file/wanije.pdfIn PDF document text
- https://acp-luxusingatlanok.hu/ckfinder/userfiles/files/13875428797.pdfIn PDF document text
- https://nedimgame.com/calisma2/files/uploads/88162095143.pdfIn PDF document text
- http://pulsrmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/161412655d4aaf---pibasugomolur.pdfIn PDF document text
- http://potya.com/38085862213.pdfIn PDF document text
- http://www.phonefixcomo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136667ac19bf---sujol.pdfIn PDF document text
- http://files.ibiza-ferien.de/file/44477595857.pdfIn PDF document text
- http://ieltsadd.ir/cache/fck_files/file/10533365817.pdfIn PDF document text
- https://apexforestservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/161443a418f9c9---53006613111.pdfIn PDF document text
- http://slhospital.com/upload/fckeditor/file/34516738676.pdfIn PDF document text
- http://idolyokocho.com/js/ckfinder/userfiles/files/badexolajetozu.pdfIn PDF document text
- http://nusratali.com/userfiles/files/belinotajijeluzonuxejan.pdfIn PDF document text
- http://portableandcool.com/files/files/buvafa.pdfIn PDF document text
- https://pediatricpotentialsnj.com/PP/PPpng/files/kevexav.pdfIn PDF document text
- https://tyko.pl/userfiles/file/96214567336.pdfIn PDF document text
- http://makassitools.com/userfiles/file///doniruxe.pdfIn PDF document text
- https://paymentor.nl/uploads/file/49063491369.pdfIn PDF document text
- http://odontoflash.eu/userfiles/files/jobofarukizeroxudunigupur.pdfIn PDF document text
- https://www.oasipizza.it/wp-content/plugins/formcraft/file-upload/server/content/files/161320c57d3e2f---70043335254.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=superman+comic+book+pdf+free+downloadPDF 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_off0000e09e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE09E | 17372 bytes |
SHA-256: 6b958c2511923710b27787e715841824ea300ab533c0cacae2ed452442bc1944 |
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font_01_sfnt_off00010dd1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10DD1 | 11008 bytes |
SHA-256: 4ee9a9436ca91da689dc726014cd799d361540851f1e68eae74733cd87f41b96 |
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font_02_sfnt_off00012730.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12730 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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