MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links to external websites, many hosted on compromised CMS platforms, suggesting a link farm designed to redirect users to malicious content. The presence of multiple distinct hosts and UTM parameters further indicates an attempt to obscure the final malicious destination.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://www.expo-hotel.com/english/wp-content/plugins/formcraft/file-upload/server/content/files/160acf5c418f28---34657721861.pdf In PDF document text
- https://www.lowdoc-loans.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160bfd645e38b2---25382157537.pdfIn PDF document text
- https://ilc.ua/wp-content/plugins/super-forms/uploads/php/files/smeup4gpbphm9sgiln8s13cqp4/noripadefevadewovoroxoxu.pdfIn PDF document text
- http://salonlomi.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160970e8045113---zowofudo.pdfIn PDF document text
- http://ljhalls.com/wp-content/plugins/super-forms/uploads/php/files/b456eb48bd057984461f986440d5ac28/59868033438.pdfIn PDF document text
- http://www.guaitoli.eng.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608dfb8767937---49245059815.pdfIn PDF document text
- https://atphp.ch/userfiles/file/besazuzaloj.pdfIn PDF document text
- http://sskj.pl/userfiles/file/91350565460.pdfIn PDF document text
- http://opuspoint.com/ckfinder/userfiles/files/xupanutugunitebifudat.pdfIn PDF document text
- https://www.nordatec.com/wp-content/plugins/super-forms/uploads/php/files/pn0011ur4ao16iodppckt4tkbl/nozedufatafeli.pdfIn PDF document text
- http://brodart01.com/wp-content/plugins/super-forms/uploads/php/files/8nv1hd1as8k24rt17b986gut18/wesoza.pdfIn PDF document text
- http://haiphongcontest.com/images/files/85742178669.pdfIn PDF document text
- http://alumcity.ru/userfiles/file/japiserifa.pdfIn PDF document text
- http://learnazia.com/fck/imagesfile/20963592047.pdfIn PDF document text
- https://jollytime.ru/wp-content/plugins/super-forms/uploads/php/files/46bdfeaf52cc5e4830a4a9b4baaa9ca9/sipipegulafomejituxepelaw.pdfIn PDF document text
- https://freedomtampons.com/wp-content/plugins/super-forms/uploads/php/files/610e52899c0a1ca28faeb31adeebff17/vutitasojevegoziva.pdfIn PDF document text
- http://broadviewlibrary.org/uploaded_bvlib/file/97203405576.pdfIn PDF document text
- https://bohemiamaestro.com/webpagebuilder/ckfinder/userfiles/files/xirevanas.pdfIn PDF document text
- https://creativesilhouettes.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160d3fd8db7f7e---jokonezolote.pdfIn PDF document text
- http://falconartistmanagement.com/ckfinder/userfiles/files/82446611006.pdfIn PDF document text
- https://cremeconferences.com/wp-content/plugins/super-forms/uploads/php/files/31c3ca6dcd4674dccf20284ba562e178/17172872178.pdfIn PDF document text
- http://zonazero.es/userfiles/file/jamugimi.pdfIn PDF document text
- http://makingthegradetexas.com/clients/d/d4/d4716c73f098ea79da165a2194b6736a/File/bebogerotewokawotux.pdfIn PDF document text
- http://solarhomepage.ch/fckeditor/editor/images/file/loroxilitimelu.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=avalon+game+rulesPDF 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_off0000ec48.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC48 | 10408 bytes |
SHA-256: a0d060b979b6dbf21e41270abf30e43717cd383cca16ae293858206d9532fe0b |
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font_01_sfnt_off000103ef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103EF | 17016 bytes |
SHA-256: 69000410628b3240c71debda481e055f85b294013d823986beb19044a1f5d37c |
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font_02_sfnt_off00013004.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13004 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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