MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links, many pointing to compromised WordPress sites, indicating it functions as a link farm. The ClamAV detection and ML classifier strongly suggest malicious intent, likely for phishing or distributing further malware. The presence of multiple distinct hosts and the use of 'utm_term' parameters in some URLs suggest an attempt to obscure the final destination and potentially track user engagement.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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://mudateconmigo.cl/wp-content/plugins/super-forms/uploads/php/files/ee6ae3c641a14c5ee08a4ddb4c12cd48/21819922680.pdf In PDF document text
- https://teenvolunteerdallas.org/wp-content/plugins/super-forms/uploads/php/files/7f32ce78a4a469cc652d23643cf533ba/zidubaf.pdfIn PDF document text
- https://ilc.ua/wp-content/plugins/super-forms/uploads/php/files/g4h7fajadr41r78elflh5ja987/godirojefipukubet.pdfIn PDF document text
- https://advancedcheckcashadvance.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b05b59481bf---91028931434.pdfIn PDF document text
- http://anhuifan.com/upload_fck/file/2021-4-29/20210429190520564742.pdfIn PDF document text
- http://fields-on-earth.com/13111446519.pdfIn PDF document text
- http://gwardiajuvenia.pl/zdjecia/fck/file/tibunigizugukeg.pdfIn PDF document text
- https://www.jemelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098c1c8a6c93---lixijuzavutafamoj.pdfIn PDF document text
- http://jagatjyotischool.org/jagatjyotischool/userfiles/file/15278909171.pdfIn PDF document text
- https://cms.blauraum.com/wp-content/plugins/super-forms/uploads/php/files/308e448944083781fac9e4a9b2f83da1/90619920199.pdfIn PDF document text
- https://www.kngroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/16095f84f6a471---jopawep.pdfIn PDF document text
- http://urbanconstructions.org/images/uploadedimages/file/70579893624.pdfIn PDF document text
- http://www.christinemartin.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160d2362ee81f8---kujipe.pdfIn PDF document text
- http://tutek.eu/userfiles/file/95087004524.pdfIn PDF document text
- https://t2sc.me/userfiles/fapab.pdfIn PDF document text
- https://flycam.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1608c0d40c7c15---69483870594.pdfIn PDF document text
- https://www.northamericatalk.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ff1b331181---kafuxujozu.pdfIn PDF document text
- https://thriveelearning.com/wp-content/plugins/super-forms/uploads/php/files/dd6ca63cb1e4a5aca03d19dc6dbaa089/93194475909.pdfIn PDF document text
- https://www.darrellstuckey.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607716e10cefc---kimisukakuxisa.pdfIn PDF document text
- https://hotelristorantenovecento.it/wp-content/plugins/super-forms/uploads/php/files/2a3b2f9fad78b4fff436c913a1067995/94541590132.pdfIn PDF document text
- https://www.jahnigterbraak.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160d6382344efa---dunovodil.pdfIn PDF document text
- http://lisahyatthealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a79fde037a---4049034568.pdfIn PDF document text
- https://www.espymetcalf.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b796c2b778---vetibaxenamosel.pdfIn PDF document text
- https://trouver-une-ssii.com/img/pics/files/pavawumuxerepukomotiguli.pdfIn PDF document text
- http://www.gametimecatering.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa4ed03e36e---10751936999.pdfIn PDF document text
- http://deauville.ru/files/file/66071497856.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=guided+meditation+to+find+answersPDF 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_off0000f323.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF323 | 10696 bytes |
SHA-256: 2057004f0e62b08d1d70a3e676f84880b605f847bf66b75c994157fa352a81ec |
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font_01_sfnt_off00010bc8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10BC8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000123da.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x123DA | 17436 bytes |
SHA-256: bac5396b4d21ef6b1d2b455a4efa5393a449b9e8651e726ef66671e75f835c04 |
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