MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
T1059.007 JavaScript
The PDF file was flagged by ML classifiers and ClamAV as malicious, indicating a phishing or trojan payload. It contains a link farm pointing to multiple compromised WordPress sites, suggesting an attempt to host and distribute malicious files. The presence of a 'download button' heuristic further supports the lure-based attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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 https://spherule.org/wp-content/plugins/super-forms/uploads/php/files/a199252742f0bab87d760c52ef9a9bb9/86543324561.pdf
- http://occahomesearch.com/userfiles/files/36430375157.pdf
- https://bentzendesign.se/wp-content/plugins/formcraft/file-upload/server/content/files/160b68d78953d2---80740334726.pdf
- https://www.aserspa.net/wp-content/plugins/super-forms/uploads/php/files/l1rlv0mp65v4nb57qj5g9q6cr3/6766367605.pdf
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606fb820176e9---komopaxa.pdf
- http://www.everhouse.lt/wp-content/plugins/formcraft/file-upload/server/content/files/160b94b3fe6c5b---sinuxekadosix.pdf
- http://www.corazondelsol.es/ckfinder/userfiles/files/32975866525.pdf
- https://aftaplan.com/works/peepsparty/html/upload_files/file/pukepisep.pdf
- http://pvsystexperts.com/wp-content/plugins/super-forms/uploads/php/files/bvovkp2l86v52flhkcqqfq40d2/fobawedudatunamoxudi.pdf
- http://woonhuislift.info/wp-content/plugins/formcraft/file-upload/server/content/files/16098806247d50---49671796881.pdf
- http://www.argentum.com/wp-content/plugins/super-forms/uploads/php/files/td9q796lhqi2ok6c7mkrddbt71/pixomowedukanofobi.pdf
- http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/rugpvb9ht7td6bmb1hghubarf5/fasopapuji.pdf
- http://alicekhenrylawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/labedufalef.pdf
- https://ilmercatinosottocasa.com/file/81794327687.pdf
- https://grafitpoint.ru/wp-content/plugins/super-forms/uploads/php/files/3db91db84e385e964056363f463b2b52/72014675403.pdf
- https://www.kadinlarsitesi.org/wp-content/plugins/formcraft/file-upload/server/content/files/160b97c3f92b46---99880834681.pdf
- https://bacninhonline.com/webroot/img/files/47982709100.pdf
- https://artlabjo.com/userfiles/file/23728160168.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=scan+multiple+pages+to+pdf+windows+10
- 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e2e1.binef74cef622834e2fb8e809a6f17a97918352e9cd805bf7792e73f0e98465090c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE2E1 | 2904 bytes |
font_01_sfnt_off0000ed2d.bina04804de4a72738ca4647661f1953be12b5453a51102f8e82a0217e8f884d66f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED2D | 5648 bytes |
font_02_sfnt_off00010064.bin344ce900f7385213f652c1a9f4e3436f55982afb7ee4e004b4201aab458b4913 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10064 | 11080 bytes |
font_03_sfnt_off00012628.binb50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12628 | 4324 bytes |
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