MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous external links, many pointing to compromised CMS upload storage and disposable hosting, suggesting a link farm or phishing lure. The PDF structure and embedded URLs are indicative of a phishing campaign, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
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://karatenarrewarren.com.au/ckfinder/userfiles/files/91901900665.pdf In PDF document text
- http://tasteofruraleurope.eu/upload/File/38844293715.pdfIn PDF document text
- http://principessavencanice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133684ee13dd---40670177146.pdfIn PDF document text
- http://vaonhaphatphap.com/images/uploads/files/fefumabelutupep.pdfIn PDF document text
- http://faceconnects.com/ci/userfiles/files/seripalulotivezuzevotobin.pdfIn PDF document text
- http://vonschickenconcord.com/uploads/files/xakojepizewiwixubexas.pdfIn PDF document text
- http://dienlanhlongan.com/upload/files/xuliv.pdfIn PDF document text
- https://almuhja.ps/ckfinder/userfiles/files/62325960454.pdfIn PDF document text
- https://cultureresortpokhara.com/assets/userfiles/files/77170456307.pdfIn PDF document text
- http://shceping.com/upFile/photos/2021-9/file/89633887644.pdfIn PDF document text
- http://theydeserveastamp.org/wp-content/plugins/formcraft/file-upload/server/content/files/1612fa6c8626c1---47315395569.pdfIn PDF document text
- https://www.shopveriamici.com/wp-content/plugins/super-forms/uploads/php/files/135dmq6jucnqd5q8h4u6ia0eim/buvagevaganogiduxuxisar.pdfIn PDF document text
- https://sapporomn.com/userfiles/files/wuxakatumavifofuzenire.pdfIn PDF document text
- http://skupka54.ru/upload/m/81889908267.pdfIn PDF document text
- http://joshuadacosta.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612fe6e6c22ef---vepokavasevus.pdfIn PDF document text
- https://eminentland.com/admin/userfiles/files/detedatesuruninazi.pdfIn PDF document text
- https://relaxationplusmn.com/wp-content/plugins/super-forms/uploads/php/files/1f4d7d5cf1e44299eb4e09202352f168/73583435043.pdfIn PDF document text
- https://justforjetscatering.com/userfiles/image/files/7747131716.pdfIn PDF document text
- http://petswithlove.com/cvsprojects/SSK/Source/2.0.0/images/files/39458686448.pdfIn PDF document text
- https://ashasuchikala.com/ckfinder/userfiles/files/33591347528.pdfIn PDF document text
- http://thm-holding.ru/wp-content/plugins/super-forms/uploads/php/files/dc6437373d618ae03953d6504c544da8/73428359236.pdfIn PDF document text
- https://uzunlarpeynir.com/dursun/upload/files/39615696916.pdfIn PDF document text
- http://d-a-s.cn/userfiles/file/43117772887.pdfIn PDF document text
- http://foto-recepty.sk/images/fotky/runubosurix.pdfIn PDF document text
- http://budaors.varosom.hu/userfiles/files/8929721375.pdfIn PDF document text
- https://artedeeducar.com.br/ckfinder/userfiles/files/xetatexejila.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=the+witcher+season+of+storms+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_off0000e1e4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1E4 | 10888 bytes |
SHA-256: 3407f7841fa5e35a7ff649152f4cb2f20828689112c59945e294bfc38694b575 |
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font_01_sfnt_off0000fb00.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB00 | 19868 bytes |
SHA-256: 7532f209b9e0dc45a5c62f742334b45daad1580d56a6c417c3fa11b75d4a88df |
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font_02_sfnt_off00012e85.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12E85 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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