MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link farm with numerous URLs, several of which point to compromised WordPress upload directories, indicating a potential phishing or malware distribution scheme. The ML classifier and ClamAV detection strongly suggest malicious intent. Although no scripts were extracted, the structure and URL analysis point to a malicious document designed to lure users to potentially compromised sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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 http://spreewaldpension-luebben.de/meineBilderAlbertGrundschule/file/vubimibifofakugin.pdf In PDF document text
- https://landatur.com/files/galeria/files/68075814200.pdfIn PDF document text
- http://tubelessons.net/cms_images/file/kenavutatimavawewodop.pdfIn PDF document text
- http://maremania.net/img_pagine/file/93566600268.pdfIn PDF document text
- https://tiguan-wiki.ru/file/49739742385.pdfIn PDF document text
- http://mesterteto.hu/userfiles/file/sotefupoza.pdfIn PDF document text
- http://www.acefence.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613afc16ef20f---kepuwosejizaz.pdfIn PDF document text
- https://trucraftsmanship.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130286eeb58b---61718413705.pdfIn PDF document text
- https://dobski.pl/userfiles/file/mezelokig.pdfIn PDF document text
- http://csc-021.com/userfiles/file/20210914123535_socghl.pdfIn PDF document text
- http://originalbau.hu/imagesfiles/magidegu.pdfIn PDF document text
- http://kadh.kr/bobod/upload/file/mimawirop.pdfIn PDF document text
- http://utuin.net/files/fckeditor/file/63167060140.pdfIn PDF document text
- https://dawnraytech.985.tw/data/file/userfiles/files/54179548669.pdfIn PDF document text
- http://amghanoi.com/images/ckeditor/files/54970084432.pdfIn PDF document text
- https://theshairpodcast.com/wp-content/plugins/super-forms/uploads/php/files/6f3ab6d3d7ccfd337ecabaec56cf1ac5/2970118824.pdfIn PDF document text
- https://tselectromechanical.com/uploads/CKfiles/files/49574692033.pdfIn PDF document text
- http://locum-system.pl/userfiles/file/36551790349.pdfIn PDF document text
- https://mycocoa.org/images/upload/files/kavamilopu.pdfIn PDF document text
- http://megatex-plast.ru/pub/file/wanelutolatelozosa.pdfIn PDF document text
- http://hanasushimenifee.com/uploads/files/56091563672.pdfIn PDF document text
- https://adikketiga.com/contents/files/46542528147.pdfIn PDF document text
- https://www.sexualaufklaerung-schule.ch/ck/ckfinder/userfiles/files/7468649951.pdfIn PDF document text
- https://xpress2.eu/ckfinder/userfiles/files/rakejakox.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=best+toon+app+for+androidPDF 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_off0000d9f8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9F8 | 10500 bytes |
SHA-256: 2db907565daf500dea23809c9213ba3e4b52c901f5e152995e634812ac4a783d |
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font_01_sfnt_off0000f1ff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1FF | 17684 bytes |
SHA-256: 183aa2d8f96a1a4eec201a7e47664ca97981c665621a3180ad23a2668e115473 |
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font_02_sfnt_off00011fa5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11FA5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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