MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ML classifiers and ClamAV, indicating it is likely a phishing or trojan delivery mechanism. The document functions as a link farm, containing numerous URLs pointing to compromised websites and disposable hosting, designed to redirect users to malicious content. The presence of multiple distinct hosts and the use of 'utm_term' parameters suggest an attempt to obscure the final destination and potentially engage in SEO manipulation for malicious purposes.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://davidhammerstein.org/userfiles/file/kakolowakafawijesadegifuf.pdf In PDF document text
- http://accomplishtheimpossible.com/userfiles_ati/file/63827744497.pdfIn PDF document text
- http://www.benvenutialmare.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5bc519b77f---50280228020.pdfIn PDF document text
- https://camile.vn/wp-content/plugins/super-forms/uploads/php/files/hisuiuusus7hq62j86v7c076eu/60551280447.pdfIn PDF document text
- https://www.eziblank.com/wp-content/plugins/super-forms/uploads/php/files/jtnqsoj165cvdnmjc2tpj2k1n6/wawosinemuvabokiketafe.pdfIn PDF document text
- https://razdolle.by/wp-content/plugins/super-forms/uploads/php/files/b54ssdn9j61rmci61cvalbg7d7/latoxesu.pdfIn PDF document text
- https://www.arc-welding.co.uk/wp-content/plugins/super-forms/uploads/php/files/fv3jq58dj3upm91auttg1l14lg/66145337774.pdfIn PDF document text
- http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/0tumh9alt4u3s065duodnmd0nf/fudepuxolevuwaxajetogakeg.pdfIn PDF document text
- https://ivfnna.gr/wp-content/plugins/super-forms/uploads/php/files/f3955cb186ccdf1f2fee9d5e27df7c57/85846164499.pdfIn PDF document text
- http://ayurveda-shiatsu-nice.com/upload/files/fedojobixud.pdfIn PDF document text
- http://www.a-fairys-choice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac0a073c743---13986123130.pdfIn PDF document text
- https://nsck-cykelmotion.dk/userfiles/file/97990827367.pdfIn PDF document text
- http://lafenicealcamo.it/userfiles/files/77355541411.pdfIn PDF document text
- http://www.circoloaletrium.it/wp-content/plugins/formcraft/file-upload/server/content/files/160aeb60f08064---zuzizojobazusimerubodofi.pdfIn PDF document text
- http://amazingindiaphotos.com/amazingindiaphotos//upload/fckimage/file/kugexabakisukeza.pdfIn PDF document text
- https://maturana.cl/upload/file/lupunazigov.pdfIn PDF document text
- http://manavpublicschool.org/manav/userfiles/file/85736680076.pdfIn PDF document text
- http://simonhoirup.dk/userfiles/file/wapavawomupofuno.pdfIn PDF document text
- https://beaumont-residence.com/wp-content/plugins/super-forms/uploads/php/files/4h8okoop7k0ll4tic384hg7up8/gowuwu.pdfIn PDF document text
- https://pousadamarazul.tur.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608013fcb7df9---4869266149.pdfIn PDF document text
- https://lesartsdansmonjardin.com/userfiles/file/20210525042648.pdfIn PDF document text
- https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/281a1f989120413dad3499f9cfee73e8/rugajesuza.pdfIn PDF document text
- https://www.blackandwhite-salon.com/wp-content/plugins/super-forms/uploads/php/files/679bb6a2961b9d123ded6977dec1f073/remoxatobo.pdfIn PDF document text
- http://autowagon.it/userfiles/files/zavinasuf.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=fishing+day+after+rainPDF link annotation
- 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_off0000ea61.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA61 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010278.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10278 | 10556 bytes |
SHA-256: 0795a2ca961efe040c97ad25dccb176afccd39994ee3709100d3ef9bf203c407 |
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font_02_sfnt_off00011a3c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A3C | 16476 bytes |
SHA-256: a2e28c6c807636cda71c1c28a3cdabb872fc5422880e5f8057a7812454f26840 |
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