MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links, many pointing to compromised CMS uploads or disposable hosting, suggesting it functions as a link farm to distribute further malicious content or phish users. The document body is heavily obfuscated and unreadable, providing no direct textual clues, but the heuristic findings strongly indicate a phishing or malware distribution lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9784
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://k9-warrior.com/wp-content/plugins/super-forms/uploads/php/files/2jsq8ka4321kgd88lqu76sfecd/27934671252.pdf In PDF document text
- https://www.dentaltaxpros.com/wp-content/plugins/super-forms/uploads/php/files/62c8e5a69ea080049f5f8dde6584d77f/nifoxojotewafujawadela.pdfIn PDF document text
- http://cohn-vossen.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092fd962a635---mozokupomufev.pdfIn PDF document text
- https://provisionsinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c886c0a1bc9---43016413288.pdfIn PDF document text
- https://www.hontoys.com.au/wp-content/plugins/super-forms/uploads/php/files/18mqmniuva8n0vepmb5p9heesk/92666381695.pdfIn PDF document text
- https://www.numberoneporthill.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160b2b3b7f0702---rulusuwu.pdfIn PDF document text
- https://www.quatainvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16072e3b81f8be---nofolizamukarubobewupi.pdfIn PDF document text
- https://www.financedeclined.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160891d0bdd015---jiguxobomuv.pdfIn PDF document text
- https://www.northamericatalk.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aced9181f25---pefusowod.pdfIn PDF document text
- https://beautifullifeuk.com/wp-content/plugins/super-forms/uploads/php/files/6faab7407e26de98331ddbc8240af326/xowozotudenuvoxavugomu.pdfIn PDF document text
- http://cristal-in.fr/userfiles/file/8846720400.pdfIn PDF document text
- https://bluza-shop.ru/content/File/57210987876.pdfIn PDF document text
- http://kennyre.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b5bcebbb13---98288681223.pdfIn PDF document text
- https://tlproduct.com/userfiles/file/85728716420.pdfIn PDF document text
- http://grupomarsamo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b1aee61553---47885401944.pdfIn PDF document text
- http://mwflower.com/upimagesfile///58638633841.pdfIn PDF document text
- https://www.audioclinica.pt/wp-content/plugins/super-forms/uploads/php/files/7cp1sggieihq9mn7ituvhba062/50603192766.pdfIn PDF document text
- https://uaqbakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d0f2c73a0d---noxorejimozujeduvax.pdfIn PDF document text
- https://mavismanagement.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e096b56aa2---7936176837.pdfIn PDF document text
- https://gbagencement.fr/uploads/file/kobibogatevaxikinax.pdfIn PDF document text
- http://presssimayeshahr.ir/pic/file/43142982092.pdfIn PDF document text
- https://k-kompany.ru/wp-content/plugins/super-forms/uploads/php/files/f4a36c3f8cb03ca789fb269bd50f5cf3/lajuvem.pdfIn PDF document text
- http://chhsmahs.com/clients/8/83/83f479e57a8bbaec88b4a04d821ef24e/File/zemomo.pdfIn PDF document text
- http://gewoongroen.eu/app/webroot/files/userfiles/files/xemosenufukikijuf.pdfIn PDF document text
- https://www.dartmusicfestival.co.uk/wp-content/plugins/super-forms/uploads/php/files/c88a38b3da57e82f837e3625884f5045/jefaxa.pdfIn PDF document text
- https://www.intermediastudios.com.mx/wp-content/plugins/super-forms/uploads/php/files/30f9d82dfbaf45bff37dc7445787c6a1/kixejoliwiziwodu.pdfIn PDF document text
- http://cgt-fo-csc.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16083483098aeb---71104308663.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=css+interview+questions+2021PDF 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_off000120e1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x120E1 | 18636 bytes |
SHA-256: 50567963a98b6789914d48ead87f0219a387dd004f0f50a545b82fe467bef9f2 |
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font_01_sfnt_off0001523d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1523D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00016a54.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16A54 | 10616 bytes |
SHA-256: 5ab481b7d35c2e7fd121fdc6d46d681d18c09337ee6ee506e49e92c72fbc8d5f |
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