MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier. It contains numerous links, many pointing to compromised CMS upload directories, suggesting it's part of a phishing or malware distribution campaign. The presence of a 'download button' lure further supports this malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9970
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 http://am-assets.com/aom/magnolia/userfiles/file/guzokujeferotakunefatinu.pdf In PDF document text
- https://popcouncilinstitute.org/wp-content/plugins/super-forms/uploads/php/files/eb51d9cc10ebe712f2a07e35d2c955f3/jitubaxemukatalat.pdfIn PDF document text
- https://archltginc.com/wp-content/plugins/super-forms/uploads/php/files/a2706cb69215ee629c51e61dad86d594/89916759133.pdfIn PDF document text
- https://nestuby.com/userfiles/file/9455861024.pdfIn PDF document text
- http://cutskytools.com/d/files/zidamokudupuvi.pdfIn PDF document text
- http://sendedianqi.com/upload_fck/file/2021-7-27/20210727061931521131.pdfIn PDF document text
- https://www.syah.org/wp-content/plugins/super-forms/uploads/php/files/2a588dfdd47d0692adfd87b0709f9b10/32350530874.pdfIn PDF document text
- https://bindazzled.com.au/wp-content/plugins/super-forms/uploads/php/files/5b33908d25d773666fe0b2aba819025b/rinexa.pdfIn PDF document text
- https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/aee591d74e52211218eae29a0ca9cbc8/86976214932.pdfIn PDF document text
- http://supair-lux.hu/ckfinder/userfiles/files/wabamoxedifojuguroz.pdfIn PDF document text
- http://asirius.su/wp-content/plugins/super-forms/uploads/php/files/a2b232a8d4f55426391503b68e8c6d03/46974995604.pdfIn PDF document text
- http://botanicgardenscafe.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a378a8d1178---rumidigaz.pdfIn PDF document text
- https://halobysciton.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611b6c90d73f2---79159527569.pdfIn PDF document text
- http://parejalecaros.com/adjunto/upload/fck/files/81464987389.pdfIn PDF document text
- http://j-line.ca/fck_upload/file/52005387122.pdfIn PDF document text
- https://j-kowalewski.pl/uploads/userfiles/files/lanipewivukina.pdfIn PDF document text
- https://beautifullifeuk.com/wp-content/plugins/super-forms/uploads/php/files/b3e233eaf87bf85b10e18f1c87877f02/kamezawefinofanut.pdfIn PDF document text
- https://astoriareiki.com/wp-content/plugins/super-forms/uploads/php/files/b35b682d3aff138991ef87a33fb98764/15889736258.pdfIn PDF document text
- https://www.rockandroll.blog.br/wp-content/plugins/super-forms/uploads/php/files/jp4f5hh77vnaleifg75t1ncok0/verejomevipuvuziradovezi.pdfIn PDF document text
- https://buddingheights.org/wp-content/plugins/formcraft/file-upload/server/content/files/16070328805e3d---60633090501.pdfIn PDF document text
- http://rc-modeller.se/images/file///97764457252.pdfIn PDF document text
- https://travelworld.ro/userfiles/file/riluzenoxizi.pdfIn PDF document text
- http://permianhighschool1970.com/clients/e/ef/efee9fcbc667252fc4b649c8163d3733/File/99184871911.pdfIn PDF document text
- http://foto-preiss.at/upload_files/files/wizexukazudibaxalexaxafe.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=manual+de+instrucciones+maquina+de+coser+singer+florencia+63PDF 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_off000114b4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x114B4 | 1692 bytes |
SHA-256: 6df00093d1a1fd8b8f95901b42ba2863538c90606311dd4adf1993a433792d13 |
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font_01_sfnt_off00011cb8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11CB8 | 22584 bytes |
SHA-256: dd79eb3ca291b5c8e7b1b572fcfbacd6721bc8964be00fdf9ebf66c64b0057c7 |
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font_02_sfnt_off00015445.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15445 | 11396 bytes |
SHA-256: 1182f6aa3131d52663cb2d969da2932431a9644aca33e000bad2cc642387e141 |
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font_03_sfnt_off00016ea7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16EA7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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