MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of links, many of which point to compromised CMS upload directories. The ML classifier and ClamAV detection strongly indicate maliciousness, consistent with a phishing or redirection tactic. The file's purpose appears to be to lure users into clicking links that lead to further malicious content or compromise.
Machine Learning
- Nyx PDF Classifier malicious score 0.9946
Heuristics 6
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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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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://www.trimbleexpress.sk/wp-content/plugins/formcraft/file-upload/server/content/files/160b8a0eac1cf9---wekipapidaterudixixuluzol.pdf
- http://english-island.pl/wp-content/plugins/super-forms/uploads/php/files/8l4gns69pr5tfqif1k3b0acg22/waluzorugekojamelolip.pdf
- https://outsourcedbackoffice.co.uk/wp-content/plugins/super-forms/uploads/php/files/300d6838697c356c4a3674135638b9fe/zabiragugav.pdf
- https://mamproducciones.es/wp-content/plugins/formcraft/file-upload/server/content/files/160d930bb92f1d---87998369492.pdf
- https://www.alignerco.ca/wp-content/plugins/super-forms/uploads/php/files/2f24bf812f7218627bccce29c550fe2c/8885574774.pdf
- https://www.qlsny.com/wp-content/plugins/super-forms/uploads/php/files/f4c83de691a842ed8467e535e0179731/lavowebokerapivuzazin.pdf
- https://jodhpurtravels.com/nbloom/fckuploads/file/fetewoluxokokunesobonawik.pdf
- https://realestateconnect.pro/wp-content/plugins/super-forms/uploads/php/files/1ukboge7uaj5kcusn440uqmij0/17723047987.pdf
- https://comesa.com.pe/wp-content/plugins/super-forms/uploads/php/files/v48i2j4ltuoqrbl2lsaugogv44/nasetoza.pdf
- https://profbuhotchet.ru/wp-content/plugins/super-forms/uploads/php/files/13d0bed0e3fd921e083c2b005aaac94b/62457360482.pdf
- http://decaiyun.com/upload/file/21062518531056776732vy1j8lo31w.pdf
- https://www.web2business.pt/wp-content/plugins/formcraft/file-upload/server/content/files/160d8fc75b212c---woborukananurozevunef.pdf
- http://www.majorisinvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160be55e8153e9---13604194651.pdf
- https://independentmusicleague.com/wp-content/plugins/super-forms/uploads/php/files/8f85f03f04bc8476fead77bfadfd5471/femijikujemidukekazexavob.pdf
- https://grafitpoint.ru/wp-content/plugins/super-forms/uploads/php/files/56bafaa72b5c5b438b64687899c18b10/12513425401.pdf
- https://apexforestservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086cf6e5b6c7---9586884377.pdf
- https://www.gasserbush.com/wp-content/plugins/super-forms/uploads/php/files/eea052aaea3844198f64ad0347d618e8/45441114744.pdf
- http://www.training4thefuture.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160aebaf28e712---bokemakutumizetof.pdf
- http://brodart01.com/wp-content/plugins/super-forms/uploads/php/files/d06pt2ifugf0ic48sn69jd9go1/30441481932.pdf
- https://luxmarketing.agency/wp-content/plugins/super-forms/uploads/php/files/s7jckgjj2mn4h76ltts2e533sq/21279235878.pdf
- https://edu-mate.kr/_UploadFile/Images/file/masunipesugusix.pdf
- https://motionslam.com/wp-content/plugins/super-forms/uploads/php/files/25c359a8209c6edde2129eadb1ab2d4c/1915392994.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=married+by+mistake+whitman%27s+sinner+wife+pdf+download
- 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_off0000f144.bin4a8a405f89f06ea3316527c8b0ab985cb58beaf0f6c7bce6a1cd083e4930d778 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF144 | 11224 bytes |
font_01_sfnt_off00010b42.bine5e475034218a77af25e8ca81b8ac3825a48abf97676d316f2038d62672127b9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B42 | 19316 bytes |
font_02_sfnt_off00013cac.bin0a4af374cb035e676210909e4790276a619635896d879aefac6ffd5912e9aefa |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13CAC | 1668 bytes |
font_03_sfnt_off000144a0.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x144A0 | 16792 bytes |
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