MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links to external websites, many of which are hosted on compromised CMS platforms or disposable domains, suggesting a link farm or phishing lure. The PDF structure and embedded links are indicative of a spearphishing attachment, designed to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://queure.ru/uplcv?utm_term=how+is+energy+transferred+when+one+object+does+work+on+another PDF link annotation
- http://oreade-breche.fr/userfiles/file/gidusaw.pdfIn PDF document text
- https://malimbe.africa/wp-content/plugins/super-forms/uploads/php/files/be7da1fdd46e6a32f9bf1c03b38e0591/13058404943.pdfIn PDF document text
- https://www.enviedecrire.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ee700d69f5e---tesubo.pdfIn PDF document text
- https://luyenthitoeic.info/userfiles/file/94937814001.pdfIn PDF document text
- http://maidichike.com/upload/files/powofoferusubob.pdfIn PDF document text
- https://musikkursus.dk/userfiles/file/91692017241.pdfIn PDF document text
- http://busankid.com/webfiles/board/file///98258048099.pdfIn PDF document text
- https://comtraining.cl/userfiles/files/fajiburi.pdfIn PDF document text
- http://provia-events.de/pics/fotos/1/file/42844366898.pdfIn PDF document text
- http://www.rec39.ru/wp-content/plugins/super-forms/uploads/php/files/a707604fc3c03893cd729ab3ad06a4b2/97381075815.pdfIn PDF document text
- https://abzesolar.com/uploads/files/58760394780.pdfIn PDF document text
- http://www.awakohchang.com/image/upload/File/ujetitosamotazejop.pdfIn PDF document text
- http://rulada.by/upload/editor/files/85604829860.pdfIn PDF document text
- https://ckmandarin.com/uploads/64198446303.pdfIn PDF document text
- http://movitecnic.fr/ressource/site-image/files/40584450267.pdfIn PDF document text
- http://flexa.cz/docs/file/99683457778.pdfIn PDF document text
- http://ziepniekkalns.lv/wp-content/plugins/formcraft/file-upload/server/content/files/160acbeb5a9bad---zazedatetekibezizatu.pdfIn PDF document text
- http://areawifi.com/DESARROLLO/userfiles/files/28919096892.pdfIn PDF document text
- https://divorcioconsensual.com.br/wp-content/plugins/super-forms/uploads/php/files/baad154bc942fb19e0d08cfa92e4d379/74252212027.pdfIn PDF document text
- http://totaleclipsenv.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082bb0f4e0ac---ligor.pdfIn PDF document text
- 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_off0000bf9d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBF9D | 17908 bytes |
SHA-256: e54ea0216a309d755cc2e1defa5df59e9978cd6e1f2de2fb8789b18a0aedae3d |
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font_01_sfnt_off0000ed14.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED14 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001052b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1052B | 11260 bytes |
SHA-256: 4bb14a14297f65c4515191cbe51805d484117bc6796dfbbf616e729f94c92c79 |
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