MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file containing embedded JavaScript, which is a common technique for executing malicious code. It also features a large number of external links, many hosted on 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 0.9947
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://maketmaster.ru/admin/ckfinder/userfiles/files/walolanaxusege.pdf In PDF document text
- https://www.asahinafunnels.com/wp-content/plugins/super-forms/uploads/php/files/990tvh2g5p2r00va7b16bhgg91/81649286566.pdfIn PDF document text
- http://kazuma.ru/ckfinder/userfiles/files/lojenutusuvoluwuzufalef.pdfIn PDF document text
- https://www.mozartcantat.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607cbb437bd43---suxubosudolukij.pdfIn PDF document text
- http://ahkjt.com/upfile/file/nilativumopudujidudagul.pdfIn PDF document text
- https://taxforce.nl/userfiles/files/89384023739.pdfIn PDF document text
- https://marksiegeldds.com/wp-content/plugins/super-forms/uploads/php/files/dc15b784669b13305d5a9a8d1a9dd94e/46990915818.pdfIn PDF document text
- http://www.cuadernos.in/wp-content/plugins/formcraft/file-upload/server/content/files/16076ab8d96204---33594418676.pdfIn PDF document text
- http://ventiliatoriai.lt/js/ckfinder/userfiles/files/gigafemakiw.pdfIn PDF document text
- http://camel-republic.com/media/userfiles/files/dafimuluwat.pdfIn PDF document text
- https://agribusiness.pk/wp-content/plugins/formcraft/file-upload/server/content/files/1608f95b5a5328---83570739965.pdfIn PDF document text
- http://www.sunargrup.com.tr/wp-content/plugins/super-forms/uploads/php/files/cq8k862ld9v0lu1l7pibsh6q40/53723351205.pdfIn PDF document text
- http://www.pes.edu.mn/ckfinder/userfiles/files/27634301983.pdfIn PDF document text
- https://dtcprojects.com.au/wp-content/plugins/super-forms/uploads/php/files/1q4ag027r9k1j3r2cl9ne4246o/99357061924.pdfIn PDF document text
- https://maydongy.com/wp-content/plugins/super-forms/uploads/php/files/toh44k9use6perb7l50n9m2cq0/22782186319.pdfIn PDF document text
- http://soft-pro.hr/upload/datoteke/bakipinuwolapad.pdfIn PDF document text
- https://nscs.org/wp-content/plugins/super-forms/uploads/php/files/597a1cd76da928d8921995c46f0e2534/gunofozafasitikuxekat.pdfIn PDF document text
- https://ewms.vn/wp-content/plugins/super-forms/uploads/php/files/8i276l6ikm5n8bm0khan879hr6/44359691061.pdfIn PDF document text
- http://worthingtonpark101.com/userimages/90630875226.pdfIn PDF document text
- https://burkina-businessschool.com/business_school/uploads/file/bujitomifafadase.pdfIn PDF document text
- https://thaiahpa.com/flash/files/jejosi.pdfIn PDF document text
- https://trinityautorepairs.com/uploads/files/xoxuje.pdfIn PDF document text
- http://champaigncursillo.com/userfiles/file/ninadufamu.pdfIn PDF document text
- http://hk-sai.com/ckfinder/userfiles/files/fujinoli.pdfIn PDF document text
- https://vashadvokat82.ru/wp-content/plugins/super-forms/uploads/php/files/78c07d7bb2873ace3ee024e2693c1120/gojepabajulinaxarin.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=walmart+vision+and+mission+pdfPDF 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_off0000b518.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB518 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cd2a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCD2A | 15800 bytes |
SHA-256: 337914cb4a2d1459149cbcb252464bcd499394d6473a57b0137d4807f3fea744 |
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font_02_sfnt_off0000f56d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF56D | 10588 bytes |
SHA-256: 95ef636d04ca46d1ef290a4e41dda1af59519a1c957372af30d696613f5cd85e |
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