MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected 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 URLs pointing to compromised WordPress sites and potentially malicious PDF files. The primary attack pattern observed is the use of a link farm to distribute further malicious content, likely as part of a phishing campaign.
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 https://www.northamericatalk.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aced9181f25---pefusowod.pdf
- https://fotobolfestmeny.hu/mvc/userfiles/file/xosaborolekiziwalixufogu.pdf
- https://claphamjunction.com.au/wp-content/plugins/super-forms/uploads/php/files/12c77e810c740d9f227f439c26d90ace/74291756555.pdf
- http://www.mywil.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160c587cba3c6d---78116993634.pdf
- https://bowenpainter.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d011f737795---23982050698.pdf
- https://bangprice.combangprice.com/beta/cms_image/file/49847480749.pdf
- https://wamsconference.com/wp-content/plugins/super-forms/uploads/php/files/80914bc64aee5958d6e712d86b9faeab/wiworon.pdf
- http://asupuro.com/upload/save_image/files/mifivetomuwinusuxejogimas.pdf
- https://advancedcheckcashadvance.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a08bc4dc86---61637424356.pdf
- https://www.kcequipment.com.au/wp-content/plugins/super-forms/uploads/php/files/11d6d74ecdcf95bd7f84d71c9308b80f/rovetiduwabi.pdf
- http://irmascaritasdejesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/16082c39cbf71b---81356041426.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b304788df8---8400756747.pdf
- https://refour.eu/wp-content/plugins/super-forms/uploads/php/files/156cf7decd1f7abf21dcb5be53732af9/borodubuka.pdf
- https://brandonsmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/oi69lgok3mr2uqat2mc6drqi97/83831500891.pdf
- https://jclifeschools.org/wp-content/plugins/super-forms/uploads/php/files/9d4ed65b3904681d4a5963a3b69d8d2e/lutowivuxoguputales.pdf
- https://hotelristorantenovecento.it/wp-content/plugins/super-forms/uploads/php/files/cb278b928aace087a1874908748b6f13/senazedilulul.pdf
- https://bienenaktuell.com/sites/bienenaktuell.com/files/file/81554652566.pdf
- https://lawina-radom.pl/files/file/kukoxini.pdf
- https://ortechindustries.ca/ci/userfiles/files/42077024907.pdf
- http://plenar.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160aabec987bb5---74864939708.pdf
- https://bluetact.com/locktactyuma/userfiles/file/jafupim.pdf
- http://drinkandshrink.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160c32049dc76e---pagedadasawer.pdf
- https://ikuseikyokai.jp/ckmedia//files/xoranosisatidalefuxuzura.pdf
- https://veglifekc.org/wp-content/plugins/super-forms/uploads/php/files//mitojogumegesa.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=free+french+english+dictionary+pdf
- 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_off0000eaa9.bin3980540c16995d259b45118f15838c8fb7950627887ceb11d46ecad6d5418fcf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEAA9 | 10988 bytes |
font_01_sfnt_off000103e1.bin1a262de01fef4c1bd2c75d55106966ac5c50e4f5cd41ccfcd36dfd48bba42041 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103E1 | 17216 bytes |
font_02_sfnt_off000130ab.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x130AB | 16792 bytes |
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