MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier indicated a high probability of maliciousness. It contains numerous embedded URLs, many of which point to compromised WordPress sites or disposable hosting, forming a link farm. One prominent URL, 'https://coretry.ru/uplcv?utm_term=1+to+30+elements+with+symbols+and+atomic+number', suggests a lure related to chemical elements, likely a pretext for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
Heuristics 6
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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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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://coretry.ru/uplcv?utm_term=1+to+30+elements+with+symbols+and+atomic+number PDF link annotation
- http://al-bandak.com/userfiles/file/5509098027.pdfIn PDF document text
- http://stellamaris.cz/userfiles/94141919153.pdfIn PDF document text
- https://suhrsmad.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1608251504b878---71477247138.pdfIn PDF document text
- https://wurstfargo.com/wp-content/plugins/super-forms/uploads/php/files/9d7c8c354ab0898375bdf68febe981dc/museri.pdfIn PDF document text
- https://www.aserspa.net/wp-content/plugins/super-forms/uploads/php/files/cj1s98trq8glk0pgo1gmclfdae/82049292222.pdfIn PDF document text
- https://www.northamericatalk.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f81859d467---96994941338.pdfIn PDF document text
- https://www.masismarketing.com/wp-content/plugins/super-forms/uploads/php/files/a12f6350b7cfa3341c70e60ac6014b32/15145494753.pdfIn PDF document text
- http://protech.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/1607644189016e---87023745428.pdfIn PDF document text
- https://velvetskin.pl/wp-content/plugins/super-forms/uploads/php/files/e66d9c2536ece1de4ec7ddb8bf3fc5d3/46948124543.pdfIn PDF document text
- https://www.c2commercial.com/wp-content/plugins/super-forms/uploads/php/files/89ac72c90d21ccb3ff4a7e0292ebd950/ratibinizumabekis.pdfIn PDF document text
- http://kythuatviet.vn/uploads/userfiles/file/dudulinobozivatu.pdfIn PDF document text
- http://www.grundys.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160802e7cf369b---77878251367.pdfIn PDF document text
- https://www.generalutilities.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608adfb21c956---fufavumebaxuju.pdfIn PDF document text
- https://alphaveneers.co.uk/wp-content/plugins/super-forms/uploads/php/files/7664da64718d7fc71527f36dea434e38/90838401754.pdfIn PDF document text
- https://thealloywheelcentre.co.uk/wp-content/plugins/super-forms/uploads/php/files/d8e9610a28026514b8abb21709809abd/lezokawupefumaxorogawan.pdfIn PDF document text
- https://humantouchtranslations.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/1608437699afe3---13147208981.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_off0000e9f2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9F2 | 5776 bytes |
SHA-256: 17bbb7241206ab2c5a16772c6387b3da7844bb8e618c3c030283bc7123e19c39 |
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font_01_sfnt_off0000fd85.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD85 | 10536 bytes |
SHA-256: d12b2754626650374b0a4d51a51e5277a36f0874368e832c6437cd8bad530dd0 |
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