MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It functions as a link farm, presenting numerous URLs that point to potentially compromised WordPress sites or disposable hosting, designed to redirect users to malicious content. The PDF structure and embedded URIs strongly suggest a phishing or credential harvesting campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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://queure.ru/uplcv?utm_term=i+want+to+hate+you+quotes PDF link annotation
- https://mimpishio1bet.com/contents/files/7481740837.pdfIn PDF document text
- https://trystsalonri.com/images/file/vowudixudexaxesobudavoke.pdfIn PDF document text
- http://lso-msm.com/userfiles/file/bizewibukivisonafedezume.pdfIn PDF document text
- https://rowsontw.com/shopadmin/upload/files/wazojamepu.pdfIn PDF document text
- http://sportingclubalbinia.eu/userfiles/files/vifomaba.pdfIn PDF document text
- http://sarljarry.fr/userfiles/file/86347048613.pdfIn PDF document text
- https://yesilkoyluleriz.biz/resimler/files/vilefinoxijasivu.pdfIn PDF document text
- https://mlbcsimleague.com/ckfinder/userfiles/files/16279694382.pdfIn PDF document text
- https://directprocessors.com/wp-content/plugins/formcraft/file-upload/server/content/files/161422f7c9ef45---80867865556.pdfIn PDF document text
- http://www.norestim.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1614894bab5d2f---tevotivekiwovimuwile.pdfIn PDF document text
- http://maskaevlawyer.ru/userfiles/file/nujitapuzanepej.pdfIn PDF document text
- https://ita.kru.ac.th/ckfinder/userfiles/files/55765991657.pdfIn PDF document text
- http://aquitaine.annuaire-regional.com/ckfinder/userfiles/files/65415173716.pdfIn PDF document text
- https://makojudo.pl/zdjecia/fck/file/79841389275.pdfIn PDF document text
- http://kavtas.com/images_upload/files/vidonegovegogaj.pdfIn PDF document text
- http://ktcz.eu/files/files/71872323423.pdfIn PDF document text
- https://www.phoenixdentalacademy.co.uk/wp-content/plugins/super-forms/uploads/php/files/756997cc05530c249cf2ebb0b22b1e7f/11886698942.pdfIn PDF document text
- http://wohntraumgmbh.at/tomivajemirugepofojix.pdfIn PDF document text
- https://telorgabus.com/contents/files/tomawixexotivevipele.pdfIn PDF document text
- http://around-sicily.net/userfiles/file/vajevigemoruwulupevuze.pdfIn PDF document text
- http://xn--h1agcmh.com/ckfinder/userfiles/files/xusaropa.pdfIn PDF document text
- http://hrt-foto.hu/_user/file/lufobowowemuxavurasim.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_off0000c466.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC466 | 10364 bytes |
SHA-256: 217a7f268efe0347d0b57204459ee448a7c504216244c3835345f35843c1a225 |
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font_01_sfnt_off0000dbe1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDBE1 | 17224 bytes |
SHA-256: 58981f07829fc1624b844b7edbc1f58ea09d4974d38f9905c291b459624065bb |
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font_02_sfnt_off00010851.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10851 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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