MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious File
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics reveal it functions as a link farm, pointing to compromised CMS uploads and disposable hosting, suggesting a phishing or malware distribution scheme. The embedded URLs and the nature of the link farm indicate the file's purpose is to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://czytamzezrozumieniem.pl/userfiles/file/80686394994.pdf In PDF document text
- http://prvugkh.ru/uploads/files/vuwejegawaboterap.pdfIn PDF document text
- https://ohcsi.com/ckfinder/userfiles/files/91293733970.pdfIn PDF document text
- http://loca-granderoue-montaletang.com/ckfinder/userfiles/files/83560170036.pdfIn PDF document text
- http://www.slenderclub.cz/ckfinder/userfiles/files/24946916680.pdfIn PDF document text
- https://matfplayer.com/calisma2/files/uploads/26367953210.pdfIn PDF document text
- http://statewideroadservices.com/clients/879378/File/71495560099.pdfIn PDF document text
- http://ropesadventure.com/d/files/vasivilozunonebik.pdfIn PDF document text
- http://ssp.by/var/upload/51929660563.pdfIn PDF document text
- http://totalfinance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1609b1f2725199---3293711331.pdfIn PDF document text
- https://ehblending.com/wp-content/plugins/super-forms/uploads/php/files/74e512654f75862cbadbe4832224f776/96321933218.pdfIn PDF document text
- http://tvoirostov.ru/ckfinder/userfiles/files/93393428376.pdfIn PDF document text
- https://fieldofgreen.com/wp-content/plugins/super-forms/uploads/php/files/b96e8f78ce2044e9dfb5e80cb7096c20/guvajasavopusilijef.pdfIn PDF document text
- https://eclearusa.com/images/file/8638688877.pdfIn PDF document text
- http://vbs.pl/dat//file/34302423849.pdfIn PDF document text
- https://mollis.rs//files/nopuxanureximadixifixiw.pdfIn PDF document text
- https://sdyh.gr/wp-content/plugins/super-forms/uploads/php/files/s5ft72up9lvmt303g265a2iro2/bozafarikido.pdfIn PDF document text
- https://camile.vn/wp-content/plugins/super-forms/uploads/php/files/290genrlop63igiqpae2r8gdr7/jenalew.pdfIn PDF document text
- https://net-mex.hu/ckfinder/userfiles/files/bimujolifuxige.pdfIn PDF document text
- https://avayemehr-carpet.ir/data/file/2573735394.pdfIn PDF document text
- http://kath-kiga-bw.de/bilder/berichte/file/56166488914.pdfIn PDF document text
- https://digireg.org/upload/99213621124.pdfIn PDF document text
- http://thaihotelsale.com/FileData/ckfinder/files/20210808_29CDBC39425EFE76.pdfIn PDF document text
- http://maraulsan.com/ckfinder/userfiles/files/zonosigimedidigoxajofil.pdfIn PDF document text
- http://abcbyspu.net/ckfinder/images_store/files/89616902049.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=declaration+of+independence+text+printable+pdfPDF 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_off0000efb9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFB9 | 17924 bytes |
SHA-256: a5c1fe5bdb1c480a40ec0abd03d107572a4c481f0ae0cad5740a2bca5a6f41f2 |
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font_01_sfnt_off00011e64.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E64 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001367b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1367B | 10688 bytes |
SHA-256: 1cbe91ba6416688cab34519baa4a41ac333c260b72500db4bd05bd1f96f23735 |
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