MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file contains embedded JavaScript and multiple external URIs pointing to compromised WordPress sites. These links likely serve as a link farm to redirect users to malicious content, as indicated by the 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' heuristics. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://crewmak.ru/uplcv?utm_term=gujarati+short+stories+pdf PDF link annotation
- https://www.karavanlakesfet.com/wp-content/plugins/super-forms/uploads/php/files/55909ed241afbc8b4deaa7320440efae/69923321869.pdfIn PDF document text
- http://innotack.com/userfiles/files/95799938778.pdfIn PDF document text
- http://dansensvenner.dk/imagesfile///pigivojatasovoda.pdfIn PDF document text
- https://petroblend.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ca08536e5a---xojiwedusar.pdfIn PDF document text
- http://miroslaws.com/ckfinder/userfiles/files/14569482015.pdfIn PDF document text
- https://hacunamatata.ru/wp-content/plugins/super-forms/uploads/php/files/4d7ec2eec13dd2d869ff0e65973136e6/58185857334.pdfIn PDF document text
- http://3sdent.com/upload/files/35501704871.pdfIn PDF document text
- http://potlista.com/file/files/dazovemiz.pdfIn PDF document text
- http://a-aqua.fr/ressource/site-image/files/bojenuwoz.pdfIn PDF document text
- http://triple-a.co.th/ckfinder/userfiles/files/21861446818.pdfIn PDF document text
- http://ydchem.cn/filespath/files/20210907063735.pdfIn PDF document text
- http://clubsahdianagalati.ro/upload/editor/file/42525082322.pdfIn PDF document text
- http://idolyokocho.com/js/ckfinder/userfiles/files/badexolajetozu.pdfIn PDF document text
- https://epiphanych.com/images/file/80116724490.pdfIn PDF document text
- http://english-island.pl/wp-content/plugins/super-forms/uploads/php/files/9tlejksd7a39db7qfs5rt7qvj7/wotadopunepufufib.pdfIn PDF document text
- http://limobebe.com/userfiles/files/70214846758.pdfIn PDF document text
- http://mdsalon.ru/img/lib/file/896327456.pdfIn PDF document text
- https://music-group-store.com/upload/files/nebokepufirazijuruzadex.pdfIn PDF document text
- https://burragebrothers.com/demo/jolie/beta/userfiles/files/63006857221.pdfIn PDF document text
- http://riskhedgetech.com/uploaded/file/770605775613bad00d2916.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_off0000dda3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDA3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f5ba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5BA | 10716 bytes |
SHA-256: d4d82e38dca27cf9a1749fd08fa2a0259bde6f3c6ad0003794be09eb560c12c0 |
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font_02_sfnt_off00010e70.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E70 | 17872 bytes |
SHA-256: 8f36d6e1d16d6e23affbcfb33fe1ac17809f78da92e67937335fb3c61adee69d |
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