MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample is identified as malicious by ClamAV and an ML classifier. It contains a link farm pointing to multiple distinct hosts, many of which appear to be compromised CMS uploads or disposable hosting. The presence of numerous unknown URLs suggests a redirection chain designed to obscure the final malicious destination, likely for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://kursadowicz.pl/Upload/file/vojatuxasotutamutigux.pdf In PDF document text
- https://luatsubienhoa.com/upload/ck/files/galibijadanip.pdfIn PDF document text
- http://carszana.com/image/upload/File/nuvof.pdfIn PDF document text
- http://ipsaix.com/ckeditor/ckfinder/userfiles/files/67441208163.pdfIn PDF document text
- https://sunkamalzemecilik.com/userfiles/file/tumelagorixone.pdfIn PDF document text
- http://xn--80aatg4aaaddkhfhbf3evf.xn--p1ai/ckfinder/userfiles/files/82426505937.pdfIn PDF document text
- http://zerosquareonline.com/file/79453956312.pdfIn PDF document text
- https://asiatravel.kg/wp-content/plugins/super-forms/uploads/php/files/76d31e6c6fc21dcd2754356abfda53da/72376355735.pdfIn PDF document text
- http://china-engine.net/ckfinder/userfiles/files/41128854840.pdfIn PDF document text
- https://zzhqhi.com/d/files/nedapenenum.pdfIn PDF document text
- http://peoplefineart.com/assets/202109/files/20210913114527592639.pdfIn PDF document text
- https://jecoexports.com/ckfinder/userfiles/files/17140096280.pdfIn PDF document text
- http://banghetretruc.com/media/ftp/file/84019734586.pdfIn PDF document text
- http://le-lemniscus-incandescent.fr/ckeditor/upload/files/xuwigaser.pdfIn PDF document text
- http://ieltsadd.ir/cache/fck_files/file/regoxurajowivabug.pdfIn PDF document text
- https://duragloss.pl/userfiles/file/49697922305.pdfIn PDF document text
- http://excitechem.com/userfiles/file/3142072102.pdfIn PDF document text
- http://www.fonfe.com/uploads/files/jexefuj.pdfIn PDF document text
- https://jairdefreitas.com/ckfinder/userfiles/files/89195782940.pdfIn PDF document text
- http://foire-fromages-et-vins.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a85ed9373f---10425376509.pdfIn PDF document text
- http://paymentsbusiness.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16158b29d32d71---vibaze.pdfIn PDF document text
- http://besteva.com/upload/files/mofari.pdfIn PDF document text
- http://mimarathi.live/assets/ckfinder/core/connector/php/uploads/files/xutukegavugib.pdfIn PDF document text
- http://bm-shower.com/userfiles/files/tekokurarurow.pdfIn PDF document text
- https://tranhtreo.com/images/ckeditor/files/foxosuremepata.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=simple+morning+routinePDF 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_off0000b271.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB271 | 17312 bytes |
SHA-256: 893848abf9414043f9a6763081780c585090e2a82d0db143b6a8f6a90b07d388 |
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font_01_sfnt_off0000dedb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDEDB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f6f2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6F2 | 10440 bytes |
SHA-256: a27f9a2b860c8660652a0468108374738a69fbaf71555b34817b8f833b314f66 |
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