MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The 'SE_BROWSER_INSTALL_LURE' heuristic suggests the document prompts the user to install a browser extension or update, a common social engineering tactic. The presence of multiple links to compromised CMS upload storage and disposable hosting further supports a phishing or malware distribution scheme. No scripts were extracted, but the overall structure and heuristics point to a phishing or downloader attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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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Browser extension / update installation lure high SE_BROWSER_INSTALL_LUREDocument tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
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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://eduomania.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609fd323710b4---zuwodogun.pdf
- https://amd-export.com/site/upload/file/33679567995.pdf
- https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/9567dbf443171929248f72c5c297bb48/poretosafujov.pdf
- http://alarcon-v.com/editor_upload_image/file/gotit.pdf
- https://www.hadlowsecurityshutters.com/wp-content/plugins/super-forms/uploads/php/files/35f90098584a740ff2ed82bcac9f4f68/29292224365.pdf
- https://stakeoutllc.com/wp-content/plugins/super-forms/uploads/php/files/d732feef31f9bc507ffb5a097f8b9829/ripelejanek.pdf
- https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/bf7099a44b6ea95872944b8a4080743d/27727129338.pdf
- https://thewentworthco.com/wp-content/plugins/super-forms/uploads/php/files/s8vmbdmj3lgs1i3qtck9hhp1ab/vereburededusofirodifuf.pdf
- http://claudiodauelsberg.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16098669a397ed---5201158250.pdf
- https://stewsites.com/wp-content/plugins/super-forms/uploads/php/files/d39c20033dbf15ed675aaaff775e8974/76059590200.pdf
- http://inezorviskids.com/clients/37546/File/73432185490.pdf
- http://scamps.biz/userfiles/file/7670095143.pdf
- https://transcendenceit.com/wp-content/plugins/super-forms/uploads/php/files/63ebd9beb336a1c135f993e1040c8d85/35351161616.pdf
- https://apexforestservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b5c02602f24---jadinajaw.pdf
- https://mithermomix.com.mx/wp-content/plugins/super-forms/uploads/php/files/c7ef7a8bc1c49b35b79024507e0fdfa4/namurifujunuwuvorasowuvu.pdf
- https://webmodeli.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071c3557508a---xuzotopogiwituxugipobe.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=insta+downloader+hd
- 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://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000dd2a.binf703867876cb86dc40c34909010c5bd156446c640e1c4f45eca5ab001e6f7bf4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD2A | 4940 bytes |
font_01_sfnt_off0000edfc.binfe5caceaff2783c5c9b8a16584dd73a0aede81b9ef8a8f8bad36b89589216ad7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDFC | 13352 bytes |
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