MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a link farm hosted on multiple domains, many of which appear to be disposable or compromised. The presence of a 'download button' heuristic and the ClamAV detection as 'Pdf.Phishing.Trojan' strongly suggest a phishing or malware distribution attempt. The ML classifier also flagged the PDF with high confidence.
Machine Learning
- Nyx PDF Classifier malicious score 0.9961
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://brooklynsmokeshops.com/admin/images/file/12334183942.pdf
- https://spazmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c66e708443---daruwuzoxududidib.pdf
- https://www.americanapi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5ea5132b44---nezowanirunenuvizu.pdf
- http://tms-technology.com/ckfinder/userfiles/files/bizetavamewusimida.pdf
- http://orhs86reunion.com/clients/6/67/6744625166a0df26c7abb40948833271/File/93359443236.pdf
- https://www.medicalart.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16094a432ea900---83349777945.pdf
- http://wedding-ideas.ru/ckfinder/userfiles/files/navusatekemasafino.pdf
- https://slezanie.eu/userfiles/file/99792844449.pdf
- http://biolabsrl.org/userfiles/files/rexifesirepubinudetosep.pdf
- http://nuyewrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/5d03c3fb35da543910f4954a6ee036a9/45793052942.pdf
- https://connect.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/934ab5023c8199720b1de8c0b7cf2240/tunujasunolokejina.pdf
- http://hublihorse.com/uploads/userfiles/files/wadegogafitotasigorobo.pdf
- https://cualuoihoanmy.com/uploads/userfiles/file/25647134840.pdf
- http://debden.org/userfiles/file/satopodawepefigetepuz.pdf
- https://www.hausbootgeiseltalsee.de/wp-content/plugins/super-forms/uploads/php/files/5snumr1aqorg517vscfb929bcd/21951659724.pdf
- https://alutat.com/data/file/84103069263.pdf
- http://www.deadclan.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607487483a930---20287464207.pdf
- https://transilvaniafishing.ro/app/webroot/files/userfiles/files/34741919793.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=serial+number+of+autocad+2021
- 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00012a25.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A25 | 16792 bytes |
font_01_sfnt_off0001423c.bin4a82dbc7aaf5295b5277f1bc14c93aad1efe1eef6e905368e795a3caf1988c6d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1423C | 11080 bytes |
font_02_sfnt_off00015c0d.bin2e80fc5f347d89e0a29b6a08f1cd89be667c6e1ac0cd5bf7be72e0a36b992dfe |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15C0D | 19276 bytes |
font_03_sfnt_off00018de4.bin0d91b93c30cdb4b9fcc5287ef31e0f6d3b75050094e35c3303e90e7f2c1d387e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18DE4 | 2296 bytes |
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