MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The document contains a link farm with numerous URLs, many pointing to compromised WordPress upload directories or disposable hosting, suggesting a phishing or malware distribution scheme. The presence of external URIs and link farm heuristics strongly indicates the document's purpose is to redirect users to potentially harmful external content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://nuovartea.eu/userfiles/files/13746132423.pdf In PDF document text
- https://baongochoa.com/upload/file/baseparitim.pdfIn PDF document text
- https://emergent-partners.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f6c0f4e3d5---bopumorazajukim.pdfIn PDF document text
- http://geoplan.su/userfiles/file/90085043014.pdfIn PDF document text
- http://fittbikese.hu/files/file/65473989338.pdfIn PDF document text
- https://www.nobleorthodontic.com/wp-content/plugins/super-forms/uploads/php/files/eb7cf2585c9a1bda42eeba51edfdb716/tukusozatibu.pdfIn PDF document text
- https://arerp.kr/data/file///jobuwis.pdfIn PDF document text
- http://sarlampa.ru/upload_picture/numew.pdfIn PDF document text
- http://bazis-expertiza.ru/ckfinder/core/connector/php/files/kibisoboxemifesikuxidigu.pdfIn PDF document text
- https://hmv.ir/wp-content/plugins/formcraft/file-upload/server/content/files/160a153df1eacd---vidan.pdfIn PDF document text
- http://ikoi-es.club/yamituki-n/uploads/files/munovebo.pdfIn PDF document text
- https://www.hadlowsecurityshutters.com/wp-content/plugins/super-forms/uploads/php/files/70bc7917c91376ce0e48b78256b234f1/37124411816.pdfIn PDF document text
- https://mkontakt.pl/dat//file/18867017507.pdfIn PDF document text
- http://mko-yug.ru/wp-content/plugins/super-forms/uploads/php/files/3679f3dbc36f25def4c119f7efc913da/21880955013.pdfIn PDF document text
- https://autoroman-service.ro/imagini_ws/fawejafogapapaf.pdfIn PDF document text
- https://akproauto.com/nbloom/fckuploads/file/45399092224.pdfIn PDF document text
- http://holycrossyouthministryasp.org/clients/f/fa/fa15eac34f6f8ef5a8ada011ffef1578/File/54279514435.pdfIn PDF document text
- https://ratsimae.ee/media/contents/file/75494792594.pdfIn PDF document text
- http://hrzservices.com/uploadfiles/file/lilutolibibowewiwil.pdfIn PDF document text
- https://hitpoint.tw/userfiles/file/58177776625.pdfIn PDF document text
- http://dienlanhlongan.com/upload/files/vabogo.pdfIn PDF document text
- http://kimbuunguyen.com/uploads/userfiles/file/bikedik.pdfIn PDF document text
- http://www.guaitoli.eng.br/wp-content/plugins/formcraft/file-upload/server/content/files/16098619d1ad9c---foganefaxitilomukagana.pdfIn PDF document text
- https://astek-telem.fr/userfiles/file/36946545279.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=how+to+create+a+real+estate+company+namePDF 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_off0000fba7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBA7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000113b9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x113B9 | 17748 bytes |
SHA-256: e981457b9552956b2e292d91f5c768082dd067bfed56d781809f7aff3591a919 |
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font_02_sfnt_off00014263.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14263 | 10636 bytes |
SHA-256: 4313b1fea5ab7241c241e94aafbc539d26ebc9e5de6efb7741e7a6e7d35ce332 |
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