MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file is detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan payload. It contains numerous links to compromised WordPress sites and disposable hosting, suggesting a link farm designed to redirect users to malicious content. The document body, though heavily obfuscated, contains references to "Subway surfer sydney unlimited coins and keys", likely a lure to entice downloads. No scripts were extracted, but the overall structure and URL findings point to a phishing or downloader campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://synerhu.ru/uplcv?utm_term=subway+surfer+sydney+unlimited+coins+and+keys PDF link annotation
- http://www.champcaregivers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a6ece502e6d---7363947361.pdfIn PDF document text
- http://www.garriagricola.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ae26edaa591---91734220931.pdfIn PDF document text
- http://beulahcooleycollection.com/clients/870349/File/83373134445.pdfIn PDF document text
- https://hpsoft.shop/upload/files/makaramorebi.pdfIn PDF document text
- http://varanini.pl/userfiles/file/keripawujujepolomafofix.pdfIn PDF document text
- https://markeishahall.com/wp-content/plugins/super-forms/uploads/php/files/eb50bdb667da6dfbc7f9cef05ae1777a/1742237505.pdfIn PDF document text
- https://www.colegiodesafio.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/16081ea0d2753a---86114868943.pdfIn PDF document text
- http://www.acefence.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609fb79ea5fce---52851645406.pdfIn PDF document text
- http://www.klpreschool.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092e61d5b4eb---muzewiwoxipibifepiwul.pdfIn PDF document text
- http://seyrimerdin.com/userfiles/file/degidotimup.pdfIn PDF document text
- http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/e176aef2392ae1e044782bba129bf326/varabibidakuzoruxowimitor.pdfIn PDF document text
- https://www.taxikladis.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160b82b70cb245---51505705890.pdfIn PDF document text
- https://harpethvalleyhealth.com/wp-content/plugins/super-forms/uploads/php/files/78fef0da38c0c6ef584c2b6fe28af220/7874436225.pdfIn PDF document text
- https://cradlegold.com/wp-content/plugins/super-forms/uploads/php/files/er99a0jh6n7enkbck7po7s09k4/79654675287.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e60e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE60E | 5668 bytes |
SHA-256: 9bbbbd6d737451cb20ab03f6539801be508fbf793198f3d6c9d32f923a472db6 |
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font_01_sfnt_off0000f95b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF95B | 12716 bytes |
SHA-256: 2377a5abc62d2f124e4484a7c41fc8fad0362cced1beb58196f2b67e2b0a0eb8 |
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