MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by ML and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, directing users to multiple compromised or disposable hosting sites. The presence of numerous PDF links and the use of 'utm_term' parameters suggest an attempt to manipulate search engine results or lure users through deceptive content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9877
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 http://lookkorea.net/userfiles/file/wajew.pdf
- http://smartmedicaleg.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075fe8ad34d9---25750905114.pdf
- http://muzycznescyzoryki.pl/userfiles/file/sezakudegesadeveseposu.pdf
- http://pleasanthillpchurch.com/clients/5/55/55aa087cacc886b2254ddcc242c0699b/File/pobez.pdf
- http://discoveryenglish.org/wp-content/plugins/formcraft/file-upload/server/content/files/160850b5f4671d---10793788096.pdf
- https://scapetime.net/images/website/user/files/sotoxikorumubexugeguso.pdf
- http://christembassydocklands.org/wp-content/plugins/super-forms/uploads/php/files/dc2931e10a62c19c74da57e761a96be0/65300212045.pdf
- https://www.webplease.it/wp-content/plugins/super-forms/uploads/php/files/p2v99qrjbjspdbl337t2pgm41q/79858186647.pdf
- https://advancedcheckcashadvance.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c434048290---86104874639.pdf
- http://bilagroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a618a8b19b---316996835.pdf
- https://wurstfargo.com/wp-content/plugins/super-forms/uploads/php/files/821b29911c7eb1c27cb02ec6ce5c084a/lujomugo.pdf
- https://agmatbaa.com/upload/files/jojixo.pdf
- http://donateagift.eu/userfiles/file/13229026752.pdf
- https://www.denisonlandscaping.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607aa8541fb67---risagivefiviworo.pdf
- http://mountmedpharmacy.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1607bb5025a43b---tonutef.pdf
- https://aawyx.com/sites/default/imageuser/file/papotelululi.pdf
- https://advantagelic.com/singhania/downloads/file/nepupetal.pdf
- http://bangkoksolarpower.com/syner_upload/images/files/vikub.pdf
- http://www.catalogodecineargentino.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609314a01e61c---20706590365.pdf
- https://macleanpinesdrivingschool.com.au/wp-content/plugins/super-forms/uploads/php/files/b92317bdf7f0df8800b4a5eae7b6493d/25731392935.pdf
- https://alnahamgroup.com/userfiles/file/jogojotogiloxu.pdf
- http://amdind.com/userfiles/file/67828631722.pdf
- https://inchirierielicopter.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160a090e79c7c4---rulikomazepesijobubog.pdf
- http://trunglam.vn/uploads/userfiles/file/54242482990.pdf
- http://jogforbigt.com/clients/6/61/61f7a61d17da296148a50ccd59c4a139/File/3487937288.pdf
- http://oilmachineydy.com/d/files/xotetoxigi.pdf
- http://www.champcaregivers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c51b33d20cc---limotokedov.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=how+to+clean+plastic+electronics
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f65f.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF65F | 16792 bytes |
font_01_sfnt_off00010e71.binc9b5c113f0739ef583fd89c09463de92be761e8503eaa1565ba13fb376b36c43 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E71 | 16456 bytes |
font_02_sfnt_off000138dd.bin7a7bb977ad4597e8b1adff002e502370eb3701637146f259f2f0c55171df9631 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x138DD | 10444 bytes |
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