MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF was flagged by multiple heuristics as a link farm, with many URLs pointing to disposable hosting or compromised CMS uploads. The ML classifier and ClamAV also identified it as malicious, specifically as a phishing trojan. The document's structure and embedded URLs suggest an attempt to redirect users to malicious sites, likely for phishing or to download further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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://oniceh.ru/uplcv?utm_term=apple+ipad+a1395+price+in+pakistan PDF link annotation
- http://huarui-bio.com/upload/files/relatiwisujo.pdfIn PDF document text
- http://school15-tyumen.ru/f/21319830448.pdfIn PDF document text
- http://bobmeetin.com/media/galleries/files/4709112696.pdfIn PDF document text
- http://gdlianyu.com/uploadfiles/file/58677905233.pdfIn PDF document text
- http://erbamedica.org/userfiles/files/13145156993.pdfIn PDF document text
- https://nirkongrp.com/ckfinder/userfiles/files/mixiw.pdfIn PDF document text
- http://devison-matras.ru/upload/file/75273235964.pdfIn PDF document text
- http://printrun.nl/userfiles/files/42395941376.pdfIn PDF document text
- http://matchonusa.com/uploads/files/tikakaliluxup.pdfIn PDF document text
- http://www.gabrielamaciel.net/images/content/file/1420954663.pdfIn PDF document text
- https://jnnjhansi.com/userfiles/file/miworiresolidazaletebugaw.pdfIn PDF document text
- https://shrmivirtual.org/wp-content/plugins/super-forms/uploads/php/files/3ad04498b140569a2eac2bc00a806e38/vanapirajavuk.pdfIn PDF document text
- http://acudrved.com/ckfinder/userfiles/files/21790426812.pdfIn PDF document text
- http://www.tiande-global.com/ckfinder/userfiles/files/16960551405.pdfIn PDF document text
- https://robodom.si/files_vsebine/wekoriv.pdfIn PDF document text
- http://laconchigliacasevacanze.it/userfiles/files/zozakoguzufasubulaje.pdfIn PDF document text
- https://ncfouting.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e43b5583de---21169462532.pdfIn PDF document text
- http://viaterrestre.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1614175775175d---rezezulojuxurijusevefok.pdfIn PDF document text
- https://g-ortho.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613f7c6c11e40---birapegelononat.pdfIn PDF document text
- https://artistprasanna.com/userfiles/file/51601471917.pdfIn PDF document text
- https://marlin-aquarium.ru/ckfinder/userfiles/files/68211433965.pdfIn PDF document text
- http://lnimeina.it/userfiles/files/pekigomapatabaxosu.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_off0000b6ea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB6EA | 16520 bytes |
SHA-256: 9522456ee61c74202fdcc470855142bb87582886ef566a605013735ab6ca6946 |
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font_01_sfnt_off0000e1ab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1AB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f9c2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9C2 | 10984 bytes |
SHA-256: dbb4380149f0717eb20f710a71f935c30c0265ef693ac47f7dc75d36c31a0431 |
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