MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links to external websites, many of which are hosted on compromised WordPress installations or appear to be part of a link farm designed to obscure the true destination. The document body is heavily obfuscated, preventing a clear understanding of its direct content, but the heuristics strongly suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
Heuristics 6
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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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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://shrmivirtual.org/wp-content/plugins/super-forms/uploads/php/files/13b7cdea3b222857b6f483c051ac0ec4/56150532230.pdf In PDF document text
- https://tarzminder.com/resimler/files/90971217313.pdfIn PDF document text
- https://tradingphrases.com/userfiles/files/54874905157.pdfIn PDF document text
- http://prosquash.by/data/47169292884.pdfIn PDF document text
- https://aviatroglo.fr/IMG/file/40197386870.pdfIn PDF document text
- http://ivelinabozilova.com/userfiles/file/68656968797.pdfIn PDF document text
- http://cana.vn/uploads/userfiles/file/lubavareteviwaxisigon.pdfIn PDF document text
- https://franchisefarm.franchiseharbor.com/files/files/34761345029.pdfIn PDF document text
- https://kamber.dk/wp-content/plugins/super-forms/uploads/php/files/a84346ddaa25f7f84b86555db1777311/53978264882.pdfIn PDF document text
- http://murielbellhomes.com/userfiles/files/xefiwemunafaxevarusevafa.pdfIn PDF document text
- https://www.sussexweddingservices.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1612f55edb29e4---luxekovojipem.pdfIn PDF document text
- http://firstcuwire.com/file_media/file_image/file/72593628523.pdfIn PDF document text
- http://www.mezmat.ru/ckfinder/userfiles/files/xamisukiwukifamobudoraded.pdfIn PDF document text
- http://fsf-vastroad.com/userfiles/file/kopejunatakax.pdfIn PDF document text
- http://dalaichau.com/files/93085342735.pdfIn PDF document text
- http://skoleniridicu-online.eu/ckfinder/userfiles/files/91519337590.pdfIn PDF document text
- https://www.mmgrowersg.com/ckfinder/userfiles/files/paduxez.pdfIn PDF document text
- http://cjcounsel.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/72820767790.pdfIn PDF document text
- https://www.la-providence-ehpad.fr/ckfinder/userfiles/files/sixiwupekurolelusifusu.pdfIn PDF document text
- http://jungam21.com/upfiles/file/1630509267.pdfIn PDF document text
- http://www.psoealora.es/ckfinder/userfiles/files/76916933795.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=cset+spanish+study+guide+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_off0000c78d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC78D | 17576 bytes |
SHA-256: 9cda5f221754e70df098a1a2972f96251b8e0d790e5c6cf141a7f27c65043ef6 |
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font_01_sfnt_off0000f537.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF537 | 10756 bytes |
SHA-256: abf17c36b84198b80b5b60f0b1c136a75ecf9f712604f88a2d543b346a88be64 |
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font_02_sfnt_off00010dc0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10DC0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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