MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and a link farm pointing to multiple compromised WordPress sites, indicating a phishing or malicious content delivery attempt. The ClamAV detection and ML classifier strongly suggest malicious intent, likely related to phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9849
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://queure.ru/uplcv?utm_term=big+brother+over+the+top+episodes
- https://414movement.com/wp-content/plugins/super-forms/uploads/php/files/c63f55e26447108e83e21dafa6f11195/79789700552.pdf
- https://247hvac.ca/fabulous1/uploads/files/gefitokujalenojivo.pdf
- http://paintingservicesonline.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160783cb9185d7---zuselokikafuvopaxupiz.pdf
- http://ziepniekkalns.lv/wp-content/plugins/formcraft/file-upload/server/content/files/1607a1debab91f---1527361239.pdf
- https://la-klamm.org/userfiles/file/63864140929.pdf
- https://criteriacambio.com.br/wp-content/plugins/super-forms/uploads/php/files/qpdsvgocs6iuabgl25saaq5rr6/9099241980.pdf
- https://infravoip.com/wp-content/plugins/super-forms/uploads/php/files/6129e6577a46bb7fd777952ca38b791b/90375222174.pdf
- https://aquariumfargo.com/wp-content/plugins/super-forms/uploads/php/files/a821ff2cbb99dfa78d979166c4188caa/wumakewovel.pdf
- http://eschool365.in/js/admin/uploadfiles/file/jarelu.pdf
- http://www.mywil.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160c92a0816f4b---nitadogirinomojijosi.pdf
- https://stakeoutllc.com/wp-content/plugins/super-forms/uploads/php/files/eaf939be4aca40c02ef6a7d8458ab3e2/35134020499.pdf
- https://wurstfargo.com/wp-content/plugins/super-forms/uploads/php/files/53103968c309f6013c967fd45a21e493/28520059475.pdf
- http://anandamsanyal.com/userfiles/file/muzas.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b106be44da8---xupikakunexudovitaj.pdf
- http://spearsyounglegacy.com/clients/b/b2/b2c23f164518415ec8f3c1c8d0af542d/File/64876516090.pdf
- http://symbioticlifetech.org/attfile/fckimg/file///20210524224451_493769128.pdf
- https://www.napariverinn.com/wp-content/plugins/super-forms/uploads/php/files/ebef8b9d31f6c34b09b894e24840b47a/xolabovizoxubufadodapelad.pdf
- http://medicapoland.pl/uploaded/file/73126477500.pdf
- http://www.look4job.gr/images/_user_na/file/ninitufijus.pdf
- https://guclupin.com/calisma2/files/uploads/womipetolakez.pdf
- https://www.espymetcalf.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091898d7df78---18184191319.pdf
- http://conwaychristian.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a7d5efb0dfb---kewotewalarexatukugetap.pdf
- https://transpack-krumbach.de/_upload_bilder/_filemanager/file/galezubadugevu.pdf
- https://www.projectorrentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084a767a9825---57371440082.pdf
- http://cngwalk.com/fckeditor/userfiles/image/jojodo.pdf
- https://spencershaulageltd.co.uk/wp-content/plugins/super-forms/uploads/php/files/94b96219e0e1675451f7469ee6e804eb/sirizijabizirozolumovim.pdf
- 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_off0000b6f4.bin30adfb13566637516d3591dccdfedc7d1a6ae053f99242e9e7bcd3272071d493 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB6F4 | 15936 bytes |
font_01_sfnt_off0000e050.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE050 | 16792 bytes |
font_02_sfnt_off0000f867.binf0e61e58aa85751a34d44dd87ac604aab0870f7d9eb702b3dcd2b4e977e8cf56 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF867 | 10616 bytes |
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