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 a machine learning classifier and ClamAV, indicating a high likelihood of malicious intent. It functions as a link farm, with numerous embedded URLs pointing to various websites, some of which are hosted on compromised WordPress installations. This suggests a phishing or malware distribution campaign, where the PDF serves as a lure to direct users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
Heuristics 6
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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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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://bnovum.hu/downloads/zawevip.pdf In PDF document text
- http://sevgineslianaokulu.com/ckfinder/core/connector/php/uploads/files/51845823567.pdfIn PDF document text
- http://iamsoldierfit.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099c2cf7a166---33143027289.pdfIn PDF document text
- http://botanicgardenscafe.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160c7bfea78c3d---finakavigunafotexo.pdfIn PDF document text
- http://standardamulet.com/files/files/13428688761.pdfIn PDF document text
- http://www.nisbd.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e7c3d7aac8e---2778576979.pdfIn PDF document text
- http://quaretti.it/userfiles/files/jidigowafefodixebavinofik.pdfIn PDF document text
- https://die-elke.de/cms/elke_page_files/file/rugemekivezojojutisetaj.pdfIn PDF document text
- http://billsky.ee/files/file/jedenekowekozudemukal.pdfIn PDF document text
- http://www.rec39.ru/wp-content/plugins/super-forms/uploads/php/files/f64aadb6bf357a2b59bd17b8a648b6a7/nujasuwojujagogozilubet.pdfIn PDF document text
- http://tropo-design.com/ckfinder/userfiles/files/15506679767.pdfIn PDF document text
- http://cdhsalumni.com/clients/28864/File/47168389544.pdfIn PDF document text
- http://flexicourse.cz/res/file/83158319019.pdfIn PDF document text
- http://sosonomo.com/ckfinder/userfiles/files/69778689283.pdfIn PDF document text
- https://www.heainc.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082a5346befd---88884500393.pdfIn PDF document text
- http://www.oschouston.com/osc/wp-content/plugins/formcraft/file-upload/server/content/files/160cde807d87bb---wolojijumavumidukumebu.pdfIn PDF document text
- http://aajude.pt/backoffice/ckfinder/userfiles/files/32080064290.pdfIn PDF document text
- http://gianphoiduyloimodel.com/Images_upload/files/99986890878.pdfIn PDF document text
- https://greenvalleykerala.com/ckfinder/userfiles/files/suxamafa.pdfIn PDF document text
- http://mineraux-et-lithotherapie.fr/ckeditor/upload/files/2102222064.pdfIn PDF document text
- http://lightningriskassessment.com/ci/userfiles/files/wavafamefomulegizuv.pdfIn PDF document text
- http://softwarefactory.nl/images/file/pejukovogivuwetipovam.pdfIn PDF document text
- http://marinapogon.pl/upload/file/subiserabadapadiriv.pdfIn PDF document text
- http://awkontrakt.pl/ckfinder/userfiles/files/gatudolefopobigusazaboku.pdfIn PDF document text
- http://garmagostaran.com/Upload/file/kovonufufimaxikativozek.pdfIn PDF document text
- http://freemansphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/160774f1839d13---28202026760.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=apalancamiento+operativo+y+financiero+problemas+resueltosPDF 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_off0000dff0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFF0 | 11044 bytes |
SHA-256: 6f00505bc410fccf1397e05cbb7b0bde9c240533e7bcb4ef92a99ced742a2b85 |
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font_01_sfnt_off0000f979.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF979 | 18208 bytes |
SHA-256: f7b4124bf39e0b108e3f31e8b2efc6a565eaca4448754fa7ae2539c93f688715 |
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font_02_sfnt_off000127d8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x127D8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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