MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is identified as malicious by ML classifiers and ClamAV. It functions as a link farm, with numerous embedded URLs pointing to external resources. Several heuristics indicate that these links are hosted on compromised CMS uploads or disposable domains, suggesting a phishing or malware distribution scheme. Although no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9837
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://marthomaktrplrdiocese.org/ckfinder/userfiles/files/12070331151.pdf
- http://www.korayozelguvenlik.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ffba70f71f---remoxotusegukosop.pdf
- http://djapm.com/userfiles/file/58512609102.pdf
- http://actybrain-consult.com/Upload/files/69944199432.pdf
- http://alacarte-grafik.de/userfiles/file/30762967396.pdf
- https://insolite.lu/img/userfiles/files/radofogiki.pdf
- https://full-e.com/app/webroot/userfiles/files/20210919_040104.pdf
- http://stavebnevyrobky.sk/www/upload/files/nevoliwaruriv.pdf
- http://toanthinh.vn/webroot/img/files/17665323261.pdf
- http://bayernglobal.de/userVZ/file/91958989924.pdf
- http://idealhca.com/admin/images/file/82662486616.pdf
- https://hps-gruppe.com/wp-content/plugins/super-forms/uploads/php/files/j85vfpqakrf1igi424o60egokp/fenizimemufifi.pdf
- https://webgirls-studio.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f62631f666---91943459543.pdf
- http://jj-metals.com/userfiles/file/2021090922524373499.pdf
- http://gearcon-eng.com/file_media/file_image/file/lufogobemasojuga.pdf
- http://mzch.pl/userfiles/file/52882575845.pdf
- http://platcometals.com/images/file/zafivuwusuredup.pdf
- https://adesso-moosburg.de/images/file/80524315808.pdf
- http://webbolt.fono.hu/data/editorfile/kuxadutulidor.pdf
- http://thesciencenetwork.org/uploads/files/tejesodidusexosawidodiju.pdf
- http://studiosantese.eu/userfiles/files/tatedipuweji.pdf
- http://xn--80adpfaaeictf0c6c7i.xn--p1ai/public/file/98478522744.pdf
- https://kamarkosong.com/contents/files/bogusanijunumexolodo.pdf
- http://www.hebrewforreadingcomprehension.com/content/84955551260.pdf
- https://cingenito.ca/upload/editor/file/85715795516.pdf
- http://swhos.com/upload/files/bavasetuzalafejero.pdf
- http://taxplus.in/images/contentimages/files/xonilezedofamemepo.pdf
- http://handgun.ee/media/file/dipebigoxuta.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=dnd+e5+character+creator
- 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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b382.bin2899c4560d4a867fb767f685ecf3053369b273f0d67f4565218059cc7e6f49eb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB382 | 16132 bytes |
font_01_sfnt_off0000dcb2.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDCB2 | 16792 bytes |
font_02_sfnt_off0000f4c9.bine9bacdcbc2e7cbe27bd98f5ada035bfbf881ee740c5de8531b95d2e5c890f889 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4C9 | 10296 bytes |
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