MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many of which point to potentially compromised CMS upload directories or are part of a link farm on disposable hosting. The primary function appears to be directing users to external, potentially malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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://chinasoftcore.com/userfiles/file///linugatarexadoxajufewik.pdf In PDF document text
- https://hotel-la-licorne.fr/userfiles/file/54585982527.pdfIn PDF document text
- http://chiangmai-esc.net/user_img/files/35758991477.pdfIn PDF document text
- http://euromarkcreations.com/new/fck_img/file/19374043027.pdfIn PDF document text
- http://www.mearesandassociatesllc.com/siteuploads/editorimg/file/99795883193.pdfIn PDF document text
- http://allgeology.ru/ckfinder/userfiles/files/sulefinikezurup.pdfIn PDF document text
- http://jiangsutravel.kr/userfiles/files/20210913_103413.pdfIn PDF document text
- http://qigong.ru/userfiles/file/bodezozadiwewoxure.pdfIn PDF document text
- http://marketingnews.fr/images/file/17621896620.pdfIn PDF document text
- http://www.herbertvanderbrugghen.nl/draft/fotosutidasimatuni.pdfIn PDF document text
- http://imhkayseri.com/resimler/files/51200246543.pdfIn PDF document text
- https://greenlandpark.com/uploads/files/bipisasegelo.pdfIn PDF document text
- https://textosolutionslinguistiques.ca/upload/editor/file/19128844727.pdfIn PDF document text
- http://protech.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/161391d4879c13---84121852177.pdfIn PDF document text
- https://petribax.nl/userfiles/file/nizanenoxitopu.pdfIn PDF document text
- https://imapcb.org/wp-content/plugins/super-forms/uploads/php/files/a3ee3c35ae448d4fcf8514cb43907887/91841072761.pdfIn PDF document text
- https://sdyh.gr/wp-content/plugins/super-forms/uploads/php/files/ui17sqmrlehnv4b27kaf4rnep6/99602931897.pdfIn PDF document text
- http://bkht.vn/userfiles/file/33854989134.pdfIn PDF document text
- http://german-ex.com/images/blog/file/91843661680.pdfIn PDF document text
- https://trimix.bg/UserFiles/File/71732991969.pdfIn PDF document text
- https://clumba-indoor.ru/files/files/wexikugogavowufabubi.pdfIn PDF document text
- http://www.ddu-hk.cz/ckfinder/userfiles/files/19961852940.pdfIn PDF document text
- http://tavaszitura.eu/userfiles/files/tovugawon.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=best+offline+fighting+games+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_off0000f1c5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1C5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000109d7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109D7 | 16964 bytes |
SHA-256: 5ea11160727c78f8e557fb1544146cf7a0248e970038a9380b19fe2afb0fdcae |
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font_02_sfnt_off00013592.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13592 | 10852 bytes |
SHA-256: 5793e9a13a1e3a2bd931994d9373541a526a28f4df2e1fde1cf0f1d93c1a19db |
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