MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a link farm, with numerous URLs pointing to compromised WordPress sites. This is a common tactic for distributing phishing content or malware. The ClamAV detection and ML classifier strongly indicate malicious intent, likely related to phishing or malware delivery via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
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 http://www.x454.com/wp-content/plugins/super-forms/uploads/php/files/mascgedcp30fbre8smvh3u8bn0/57007031228.pdf
- https://advance-pack.com/editor_upload/file/43959397181.pdf
- http://www.alwaysflorida.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bcba48034b9---17418467683.pdf
- http://www.misshandicap.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160a8202a385c2---disivudega.pdf
- http://stpetersame.com/clients/9/91/91902b33218228c9a3691be2563b71f1/File/91780384119.pdf
- http://hong-tour.com/FileData/ckfinder/files/20210625_69D8F2BBE92A92FE.pdf
- http://www.icodar.com/wp-content/plugins/formcraft/file-upload/server/content/files/160df0640120bc---98753331674.pdf
- https://ddriu.hu/wp-content/plugins/super-forms/uploads/php/files/30b1166b03f2837d2c63ca77a211bbf4/47647654157.pdf
- https://art-gallery.mn/uploads/files/nofopagovalukew.pdf
- http://www.enfersalus.com/ckfinder/userfiles/files/wasuwirozifomawaga.pdf
- https://panificioilcavaliere.it/userfiles/files/rizivijanejatedin.pdf
- http://www.britocunhaadvocacia.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/160b97214821ee---dagunotovivusojogotomuki.pdf
- http://synagoge-stommeln.de/ckfinder/userfiles/files/63711872174.pdf
- http://chocoenglish.com/_UploadFile/Images/file/10468979832.pdf
- http://chineseclothingonline.net/File/48576750581.pdf
- https://mangonebike.com/uploads/file/38509740528.pdf
- https://connatlas.com/home/conn/public_html/ckfinder/userfiles/files/57495417434.pdf
- http://www.unidacardoso.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609a1c875ea5f---61900172051.pdf
- http://www.expertnutritionadvisor.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087a4a6124e5---22051251440.pdf
- https://kiemtoandongnghi.com/public/plugins/ckfinder/userfiles/files/42964247041.pdf
- http://isisthailand.org/file_media/file_image/file/fegubufafobiximenoxetep.pdf
- http://vds-construct.pl/userfiles/file/67094580028.pdf
- https://lemanssrl.it/file/vefiweramadulog.pdf
- http://abwferrellpkwy.com/uploads/files/79029482410.pdf
- http://adveotec.com/img/file/19971249465.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=pdf+to+text+adobe
- 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_off0000dc23.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC23 | 16792 bytes |
font_01_sfnt_off0000f435.binca2038d966bd3cb58655a45c3561948e20828c91ed07f80c696fd5dc33e7865a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF435 | 17824 bytes |
font_02_sfnt_off00012196.binbf7c599f1caf57e59a06c5b0d88139a42551214ed75f20abab2df40e3ba11d3f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12196 | 10080 bytes |
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