MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, with numerous embedded URLs pointing to compromised WordPress sites and other disposable hosting. These links likely lead to further malicious content or phishing attempts, serving as a distribution mechanism for other threats.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://ceramicaartisticamarsalese.it/userfiles/files/wugedojejokezelojuw.pdf In PDF document text
- https://csom.cz/wp-content/plugins/super-forms/uploads/php/files/e150238aa90138381cdd93336778e5e3/37338614485.pdfIn PDF document text
- http://pusancard.com/userData/board/file/60888629506.pdfIn PDF document text
- https://299-45.com/CKEdit/upload/files/70595561892.pdfIn PDF document text
- https://christianboudreau.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607eff8f3454c---nekererodojumawujorasuk.pdfIn PDF document text
- http://townofwinslowin.com/flash/townofwinslowin.com/file/19152271186.pdfIn PDF document text
- https://controlcert.se/wp-content/plugins/formcraft/file-upload/server/content/files/160bf00e3f1aa4---ziromu.pdfIn PDF document text
- http://ontheedgeofnow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609fe0333721e---xefowi.pdfIn PDF document text
- http://tatishev.ru/admin/ckfinder/userfiles/files/lomarolejezusugini.pdfIn PDF document text
- http://sieckultury.pl/wp-content/plugins/super-forms/uploads/php/files/d1f6fd49773136e146f1f445392c05b6/luxajadilivip.pdfIn PDF document text
- http://jatyn.cn/upfiles/202108/file/1627993260.pdfIn PDF document text
- https://www.rockandroll.blog.br/wp-content/plugins/super-forms/uploads/php/files/fniolq8mq3q1p6ivhknkc4vfch/80063402297.pdfIn PDF document text
- http://divorcefinance.nl/uploads//file/44015794802.pdfIn PDF document text
- http://alexlunacoach.com/img/editor/file/30249085101.pdfIn PDF document text
- https://bajrahrs.com/userfiles/file/76757380217.pdfIn PDF document text
- https://promise-land.com/upload/file/65436192111.pdfIn PDF document text
- http://liqaa-lb.com/files/userfiles/files/95460054037.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080cbdfd4c5e---lawadijofakibi.pdfIn PDF document text
- https://craft-personal.de/userfiles/file/24685490357.pdfIn PDF document text
- http://lavera.it/wp-content/plugins/formcraft/file-upload/server/content/files/1606d5d1585b92---23175832659.pdfIn PDF document text
- https://www.cr-sdc.org/wp-content/plugins/super-forms/uploads/php/files/d9f14c9b65738c73d2b4924bc0a0f489/vodomoru.pdfIn PDF document text
- http://perles-del-beya.com/userfiles/file/27519007028.pdfIn PDF document text
- https://www.myjamaicais.com/wp-content/plugins/super-forms/uploads/php/files/2a52581d8c43d53fc4f0d97233d1b1f4/86096734887.pdfIn PDF document text
- https://grup-insaat.com/userfiles/file/bulavipeni.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=nannare+song+in+tamil+download+masstamilanPDF link annotation
- 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_off0000d138.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD138 | 10656 bytes |
SHA-256: 7d3e49f448b7e64a1b2487665e544489a3205b1aa81b384c2589638f16f829c8 |
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font_01_sfnt_off0000e975.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE975 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010187.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10187 | 16428 bytes |
SHA-256: d542620ff6920053d94bfbb1a84136a77a1339ce8bfe39d3c9d02caa0a13901b |
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