MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains a link farm pointing to multiple compromised WordPress sites, suggesting it's designed to redirect users to malicious content. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' further supports this, indicating the document's primary purpose is to host numerous links, likely for SEO manipulation or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 6
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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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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://sv-fin.ru/wp-content/plugins/super-forms/uploads/php/files/e1ffb5c2206a3a231a28dd107b0d3e68/ginudatobijizelepominu.pdf In PDF document text
- https://vallejardin.com/wp-content/plugins/super-forms/uploads/php/files/fa1cb675d76cd0dcec4a5b187fcfe0d5/buvujosedebegufifadezis.pdfIn PDF document text
- https://tolgyesvolgy.hu/userfiles/file/zufukazi.pdfIn PDF document text
- https://glowskincare.net/wp-content/plugins/super-forms/uploads/php/files/b3a4a41cefbd98358fca02e649e2fde6/31305702595.pdfIn PDF document text
- https://bawaniint.com/ckfinder/userfiles/files/71132297783.pdfIn PDF document text
- https://dazzlin.co.uk/wp-content/plugins/super-forms/uploads/php/files/f84ddbec6f09bfc11284d177e7b1ba9f/67574603378.pdfIn PDF document text
- https://www.sacproblemleri.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610dbcf09e482---72977166116.pdfIn PDF document text
- https://www.infrascale.com/wp-content/plugins/super-forms/uploads/php/files/16f933fff8ca1c475ca8df8247368f0e/rorigexal.pdfIn PDF document text
- https://www.kunapak.com/wp-content/plugins/super-forms/uploads/php/files/80pcegak5c7dib17frac5pa2kr/xipeno.pdfIn PDF document text
- http://www.commandinglife.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f6d195fdc1---zovavemejaki.pdfIn PDF document text
- https://www.playitdirect.ca/ckfinder/uploadfiles/files/29629896820.pdfIn PDF document text
- http://be1971.com/clients/a/a1/a19be2fc4cf8b198b52f296748481ce5/File/49361530057.pdfIn PDF document text
- https://heatingboiler.ca/fck_upload/file/vesotu.pdfIn PDF document text
- http://noithattamphuong.com/upload/files/zusina.pdfIn PDF document text
- http://slabowidzacy.smprzemysl.pl/ckfinder/userfiles/files/tebadawagageguxigig.pdfIn PDF document text
- http://scpt.it/userfiles/files/25938129895.pdfIn PDF document text
- http://bugaboo-buffalo.eu/UserFiles/File/21661020867.pdfIn PDF document text
- https://stka.gr/ckfinder/userfiles/files/vitukidusezemugexif.pdfIn PDF document text
- https://www.sahabatkeluargahomecare.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611546e7605d9---motezoxiratasozizeruf.pdfIn PDF document text
- http://artpolyclinic.com/file/files/29849282457.pdfIn PDF document text
- http://zae.me/datafiles/file/bubosizewuvuv.pdfIn PDF document text
- http://www.mkkdigital.pt/wp-content/plugins/formcraft/file-upload/server/content/files/1609024a5be464---dabosiz.pdfIn PDF document text
- http://aeronautike.com/userfiles/file/kikitofofezakebap.pdfIn PDF document text
- http://vertracapital.com/uploads/files/98870354324.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=corel+draw+x3+logo+design+tutorials+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_off0000bf5f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBF5F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d771.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD771 | 15796 bytes |
SHA-256: 5f50f23d644c22f05d6c09988b0f8aa26ce606e75bcc752c44f7abe6b9e10e74 |
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font_02_sfnt_off0000ff7d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF7D | 11164 bytes |
SHA-256: f0820eea50c2cafcb0265afd6188db485f0c9530f8e5887913714dd678e4af92 |
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