MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many of which are part of a link farm hosted on disposable or compromised domains. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a pattern of using such links, often with UTM parameters, to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9963
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://crysiq.ru/uplcv?utm_term=harry+potter+and+the+philosopher%27s+stone+extended+edition+watch PDF link annotation
- http://rc-modeller.se/images/file///buzikixiluwodikiwijewul.pdfIn PDF document text
- https://receptabc.hu/images_banner/files/vibikererejosuxawene.pdfIn PDF document text
- https://ferado.vn/userfiles/file/tijiwenen.pdfIn PDF document text
- http://tropo-design.com/ckfinder/userfiles/files/16368827939.pdfIn PDF document text
- http://chemicalengineers.ie/images/44981974613.pdfIn PDF document text
- http://qishuochem.com/siicea/userfiles/file/nolub.pdfIn PDF document text
- http://drivingtesttips.ie/fckeditor/userfiles/file/71230813006.pdfIn PDF document text
- https://sf-tfi-pgu.uz/wp-content/plugins/super-forms/uploads/php/files/ccbbd68f0abb46a4015e41a4bf67665f/tujaku.pdfIn PDF document text
- http://oryginalnedekoracje.pl/userfiles/file/kadoxoril.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613dc9bbc9fcf---76669157215.pdfIn PDF document text
- http://capitolmetrophysicaltherapy.com/userfiles/file/415216242.pdfIn PDF document text
- http://geometrarontani.it/userfiles/files/rujobiketomuxiteb.pdfIn PDF document text
- https://jasmijnbloemengroen.nl/userfiles/file/susev.pdfIn PDF document text
- http://elcwma.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/nimexoluruzega.pdfIn PDF document text
- https://espritgt.com/userfiles/file/82930703007.pdfIn PDF document text
- http://yuemeism.com/uploadfiles/files/78966802050.pdfIn PDF document text
- https://krusomying.com/data/file/57898906081.pdfIn PDF document text
- https://emtracing.net/userfiles/file/molusapi.pdfIn PDF document text
- https://aiwatopup.com/ckfinder/userfiles/files/96170258223.pdfIn PDF document text
- http://www.platformliften.info/wp-content/plugins/formcraft/file-upload/server/content/files/1613b6ab49c8ed---62602013281.pdfIn PDF document text
- https://haisanquangninh.org/data/dulieu/files/35216406998.pdfIn PDF document text
- http://blueleaves.ru/userfiles/file/538597586.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_off0000c4d5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC4D5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000dce7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDCE7 | 17764 bytes |
SHA-256: f4103fde0358b7290919e6e2b207a706107942de2baa3b29a53efa3631c41029 |
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font_02_sfnt_off00010a9a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A9A | 10940 bytes |
SHA-256: 3b8177ad7fbda7607b941c456558bdcd9fb605266708c7223cd1c5bd33f7721b |
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