MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm pointing to compromised WordPress uploads and disposable hosting, suggesting a phishing or malware distribution scheme. The embedded URLs are likely used to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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://medvor.ru/uplcv?utm_term=find+mac+address+android+samsung PDF link annotation
- http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/hqpr486nh8crm9rqes8163jqg6/sufarupemu.pdfIn PDF document text
- http://moto-bike.pl/userfiles/file/87619496325.pdfIn PDF document text
- http://lovesenergy.nl/file/15328587337.pdfIn PDF document text
- https://ra7a7p-h3ba7.com/contents/files/zanopuzabapawuliwinuj.pdfIn PDF document text
- http://aedjtjdshbf.pretty-match.com/upload/files/lixaduxukidafuxabuxawa.pdfIn PDF document text
- https://hanyauntuktesting.com/contents/files/14456376592.pdfIn PDF document text
- https://organicfertilizerproduction.com/d/files/zufumusagova.pdfIn PDF document text
- https://inoxquochoang.com/app/webroot/files/images/pages/files/2972151270.pdfIn PDF document text
- https://n-v-v.dk/userfiles/file/84906132305.pdfIn PDF document text
- http://labsshop.com/d/files/79437737329.pdfIn PDF document text
- https://mauspro.net/upload/files/xepigegurub.pdfIn PDF document text
- http://xn--42cfa4ewb0a0b3fwh.com/imageupload/files/88610746214.pdfIn PDF document text
- https://mosallaesf.ir/uploads/ck/files/54529242501.pdfIn PDF document text
- http://koovappadyscb.com/ckfinder/userfiles/files/bupoluvak.pdfIn PDF document text
- http://tatishev.ru/admin/ckfinder/userfiles/files/40815719968.pdfIn PDF document text
- http://ccspatti.org/userfiles/file/75685777458.pdfIn PDF document text
- https://cremeconferences.com/wp-content/plugins/super-forms/uploads/php/files/19f36269c3f67398bab98ba110974367/neludisosuwesepamat.pdfIn PDF document text
- http://bwlpsalisbury.com/uploads/files/22006218447.pdfIn PDF document text
- http://connect-event.fr/ckfinder/userfiles/files/279370313.pdfIn PDF document text
- https://akvanova.ru/sites/default/files/nabupisixozisur.pdfIn PDF document text
- http://fcv-bo.org/data/fcv-bo/userfiles/file/68563891869.pdfIn PDF document text
- http://abwmarlboropike.com/uploads/files/zokelipodamajitozux.pdfIn PDF document text
- https://mosoptagro.ru/wp-content/plugins/super-forms/uploads/php/files/e18954c834adc6f2f8fc400180ccef0e/tomepivumogoj.pdfIn PDF document text
- http://jjw-led.com/userfiles/file/vafabapeliluxa.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_off0000c3b7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC3B7 | 16704 bytes |
SHA-256: e63a04d1889ea61fcdb2d4cf2accd7bb7ec2bd5629b0858a28cc4199c9a823bb |
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font_01_sfnt_off0000ef2e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF2E | 10644 bytes |
SHA-256: 45fd7445899a18df54b477ebe0dc01771200296e6fda0b6c9ec744ac20525956 |
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font_02_sfnt_off00010740.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10740 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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