MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, a common technique for executing malicious code within documents. It also features a link farm pointing to multiple distinct hosts, with several URLs hosted on compromised WordPress sites, suggesting an attempt to obscure the final destination or leverage trusted-but-compromised infrastructure. The ClamAV detection and ML classifier strongly indicate malicious intent, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9972
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://autofactory-jin.com/js/upload/files/lomelipofapitasikamel.pdf In PDF document text
- http://bkht.vn/userfiles/file/69800936891.pdfIn PDF document text
- http://akcihlar.cz/userfiles/file/diwesixovuvir.pdfIn PDF document text
- http://koppeika.ru/userfiles/file/85368717786.pdfIn PDF document text
- http://hourinkan.net/js/upload/files/20836762532.pdfIn PDF document text
- https://luxurytravel-show.com/wp-content/plugins/super-forms/uploads/php/files/e8664e6b6d85c0580aea8f9a6ce7b03e/zozeridimewumiruka.pdfIn PDF document text
- http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/16143874606635---finagubesojavenowonuj.pdfIn PDF document text
- http://swotaweb.com/img/upload/file/64387570744.pdfIn PDF document text
- https://safrano.pl/userfiles/file/29585286672.pdfIn PDF document text
- http://adoriantarla.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1613abb025c1cd---lotukobimixedunupu.pdfIn PDF document text
- https://ssekolkata.com/ckfinder/userfiles/files/89864311280.pdfIn PDF document text
- https://happycondo.leaddeehub.com/userfiles/files/79389771449.pdfIn PDF document text
- http://crmrealty360degree.in/userfiles/file/goduk.pdfIn PDF document text
- https://reifenscho.de/wp-content/plugins/formcraft/file-upload/server/content/files/1614463fb159e2---61722683198.pdfIn PDF document text
- https://ingatlansos.hu/images/userfiles/file/16618131430.pdfIn PDF document text
- http://ildongwire.com/userfiles/file/sajatomulutifuzebi.pdfIn PDF document text
- http://goldia.cz/data/file/46795680984.pdfIn PDF document text
- http://pravkniga.ru/files/userfiles/files/xusiti.pdfIn PDF document text
- https://gionggiacam.gagiongvitgiong.com/ckfinder/userfiles/files/32103966852.pdfIn PDF document text
- http://acelybio.com/upload/files/44228568149.pdfIn PDF document text
- http://cuboni.com/uploadfile/hong202109032333451920.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=resso+ad+song+ringtone+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_off0000cd47.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCD47 | 10552 bytes |
SHA-256: 5a21a667da9afec55bba49c5aa8a1a343a064e3eaeae13e1c8c731b2c6f7c086 |
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font_01_sfnt_off0000e550.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE550 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000fd62.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD62 | 16672 bytes |
SHA-256: a2250672fbe62a724aa0d89881532b4b573ecd7ee93ad1e06de99597349605c5 |
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