MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, many pointing to compromised WordPress sites or disposable hosting, indicating a link farm designed to redirect users to malicious content. The ClamAV detection and ML classifier strongly suggest this PDF is malicious, likely serving as a phishing lure or a distribution point for further malware. No scripts were extracted, but the extensive use of external links is the primary attack vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
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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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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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 https://oniceh.ru/uplcv?utm_term=street+corner+society+pdf PDF link annotation
- http://178.62.148.222:300/ckeditor/ckfinder/userfiles/files/94897455747.pdfPDF link annotation
- https://kueapem.com/contents//files/65482331422.pdfIn PDF document text
- http://anonelectronics.com/admin/fckeditor/editor/filemanager/connectors/php/upload_jpg/file/202105130047423580.pdfIn PDF document text
- http://ztkammer.at/uploads/file/gudabivemujuradozus.pdfIn PDF document text
- http://www.lavalledesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071cae9b57e4---tetanupaxevomitolexumok.pdfIn PDF document text
- https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/41qpd9fkm1elan0na91r6op6jm/83178986975.pdfIn PDF document text
- https://www.ppmcare.co.uk/wp-content/plugins/super-forms/uploads/php/files/7s3ja6pck4q5jv1k755mv4kevg/10217534050.pdfIn PDF document text
- http://pleasanthillpchurch.com/clients/5/55/55aa087cacc886b2254ddcc242c0699b/File/1202304640.pdfIn PDF document text
- http://shangrilatheshow.com/ckfinder/userfiles/files/55893373799.pdfIn PDF document text
- http://joshuadacosta.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bdde85e7a80---90623877322.pdfIn PDF document text
- http://finsura-lifedirect.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160c8ee78e0352---94883809239.pdfIn PDF document text
- http://www.jhannahs.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b7f5de949ae---82543700638.pdfIn PDF document text
- http://humanitool.ru/userfiles/file/movufufomiki.pdfIn PDF document text
- https://sipsib.ru/wp-content/plugins/super-forms/uploads/php/files/f4c5de77cf52268a1f7fdc879d80bc70/27010832852.pdfIn PDF document text
- https://mecaniquekd.ca/upload/file/47139686282.pdfIn PDF document text
- https://nsck-cykelmotion.dk/userfiles/file/badedekate.pdfIn PDF document text
- http://bezpieczna-strefa.pl/wp-content/plugins/super-forms/uploads/php/files/57702eb74244e809720bbfa584f8338a/susunubusitidazoduxamated.pdfIn PDF document text
- https://na-nule.ru/wp-content/plugins/super-forms/uploads/php/files/q6e4s61anhgjplfuqdvu185o60/95634083025.pdfIn PDF document text
- https://nyirfa.hu/uploads/files/87152410495.pdfIn PDF document text
- https://deconkhoemanh.com/wp-content/plugins/super-forms/uploads/php/files/4iptq8j3d6mvhak9ugimoaenm5/xenupubogemej.pdfIn PDF document text
- http://designklasse.de/ckfinder/userfiles/files/98149963956.pdfIn PDF document text
- https://harpethvalleypto.org/wp-content/plugins/super-forms/uploads/php/files/4dd367afde991e19feadd643c47ad1d8/83773925422.pdfIn PDF document text
- http://tortsurprise.ru/upload/redactor/files/levixitalarabuz.pdfIn PDF document text
- https://guijek.com/userfiles/file/dinonefideporigux.pdfIn PDF document text
- https://broadstripe.com/wp-content/plugins/super-forms/uploads/php/files/1c245e7d5c482f8248eb5498184a5093/wabinaxudezazu.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000cec7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCEC7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e6d9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6D9 | 17756 bytes |
SHA-256: 5bedfdc93174de1d8357c83e16c207d272800d6a92f02fc54d17abb2608c1655 |
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font_02_sfnt_off00011475.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11475 | 10592 bytes |
SHA-256: 3eb5b74c548981e59dba64afe86f3094fe8e0ddf607456b595f489d6a1ff64fd |
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