MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm, many hosted on compromised CMS upload directories and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9885
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://resulgame.com/calisma2/files/uploads/suvujuzazimugojobe.pdf In PDF document text
- https://kakvkusno26.ru/wp-content/plugins/super-forms/uploads/php/files/4d79df10643682479cff1f32ceb3562c/6421053359.pdfIn PDF document text
- https://unibel.pl/pliki/upload/file/vufomaleda.pdfIn PDF document text
- https://xn-----6kcabagcgfjsxjciriy6alkh6a7aqk.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/fd108c5ace5430a4097be8b01ccc410a/mutuzamizovegibolujofu.pdfIn PDF document text
- http://dioceseofniranam.org/userfiles/file/78760525888.pdfIn PDF document text
- https://legouic-peinture.fr/userfiles/file/xulazedisidigatudefazixu.pdfIn PDF document text
- https://www.beewellrx.com/wp-content/plugins/super-forms/uploads/php/files/tmp/tarasow.pdfIn PDF document text
- https://christembassyromford.org/wp-content/plugins/super-forms/uploads/php/files/3348185c9e3e08e640990a5d0715abda/muxelogasubomukisok.pdfIn PDF document text
- https://theemperorsoldclothes.co.uk/wp-content/plugins/super-forms/uploads/php/files/sc8h2jjojt38n1o3i5jj2d0ned/6256032249.pdfIn PDF document text
- https://riverasphotovideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f5a4e9717a9---rederuxuj.pdfIn PDF document text
- http://idealhca.com/admin/images/file/pewijuwesajefukoxubix.pdfIn PDF document text
- http://irmascaritasdejesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608eb14f55f2e---galidifum.pdfIn PDF document text
- http://www.findvoters.com/userfiles/file/nubisosekowavenezigowi.pdfIn PDF document text
- https://dgssu.com/upfolder/e/files/20210621150334.pdfIn PDF document text
- https://m-co.de/wp-content/plugins/super-forms/uploads/php/files/of63pie3hpterd850gmrgslim0/92846372731.pdfIn PDF document text
- http://localhomesales.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160aafc5444e85---bopazagemexadonufolu.pdfIn PDF document text
- https://rusepress.com/uploads/wysiwyg/files/89190132651.pdfIn PDF document text
- http://moonlightmontessori.com/upload/files/ponusoxokilexop.pdfIn PDF document text
- https://roadtoring.com/wp-content/plugins/super-forms/uploads/php/files/3cbf606652dd2dadce8eae6dcea142cb/1663736591.pdfIn PDF document text
- https://llibreriaha.com/img/events/file/tubojigakowunedezozo.pdfIn PDF document text
- http://www.thaiboat.net/image/upload/File/9748180725.pdfIn PDF document text
- https://master.plus/wp-content/plugins/super-forms/uploads/php/files/67341ba8ae37501111e03d542a3c87ed/gonadupalisuvakakelapub.pdfIn PDF document text
- http://pocatellocampfire.com/wp-content/plugins/super-forms/uploads/php/files/7r63olmim4v8tedq7qflldndok/bilisaxurubizupubol.pdfIn PDF document text
- https://pointswestliving.com/ckfinder/userfiles/files/85494047510.pdfIn PDF document text
- https://skazkavdom.com/wp-content/plugins/super-forms/uploads/php/files/6954496b2527b0b0f920561bc8684347/4766685694.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=garrison+noreen+managerial+accounting+solution+14th+edition+pdfPDF 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00011c67.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C67 | 18568 bytes |
SHA-256: 901bbd33b9feb90c7f0b0a0d98aad02a7679ada334fce5a79b36e907f8bee1f2 |
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font_01_sfnt_off00014dad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14DAD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000165c4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x165C4 | 11336 bytes |
SHA-256: 9b101a6198775614cebf61853f5ba53851e329516d8c2d9be60b91e79644c0c4 |
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font_03_sfnt_off0001801b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1801B | 16084 bytes |
SHA-256: 629677e45faedee601e08dfe5d93bed8cb2cbab2933fb40e48fc5543807047de |
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