MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, with many URLs pointing to compromised CMS uploads or disposable hosting, likely to distribute malware. The presence of a 'download button' lure further supports a malicious intent to trick users into downloading a payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://ourgans.org/userfiles/files/wumonamufonewoja.pdf In PDF document text
- http://namadagaskare.ru/ckfinder/userfiles/files/lewodutuxit.pdfIn PDF document text
- http://tks-forever.com/upload/2021/09/01/file/nidepeze.pdfIn PDF document text
- https://yesilkoyluleriz.biz/resimler/files/71678783948.pdfIn PDF document text
- http://kwik-it.ru/wp-content/plugins/formcraft/file-upload/server/content/files/161444219638c0---27088195322.pdfIn PDF document text
- http://greensketch.in/userfiles/file/pogefo.pdfIn PDF document text
- http://odpadykj.cz/UserFiles/File/18912234129.pdfIn PDF document text
- http://intechsol.kz/wp-content/plugins/formcraft/file-upload/server/content/files/1613c64ca7da52---wesasazogelosabak.pdfIn PDF document text
- http://dmychadla.eu/UserFiles/File/panifirotomide.pdfIn PDF document text
- https://virker-ikke.dk/files/93480783869.pdfIn PDF document text
- http://auswallendorf.de/userfiles/file/jitoguderafujak.pdfIn PDF document text
- http://nt-module.ru/ckfinder/userfiles/files/62054075862.pdfIn PDF document text
- http://szerecsengyogyszertar.hu/editor_up/fapuwibadozodevisobevepa.pdfIn PDF document text
- http://inannamsao.com/uploads/files/kevaluwib.pdfIn PDF document text
- http://php-lounge.de/userfiles/file/57041210923.pdfIn PDF document text
- https://at-studio.tw/app/webroot/userfiles/files/20210904_212136.pdfIn PDF document text
- https://parvazyab.com/basefile/api203/files/wenuxan.pdfIn PDF document text
- http://santeh.md/img/files/womepoj.pdfIn PDF document text
- https://hamzakocakoglu.com/userfiles/file/92609005518.pdfIn PDF document text
- https://cbolean.com/wp-content/plugins/super-forms/uploads/php/files/dcc0fac9599e20313d36b46dc18322ee/gafuzixomebaxewem.pdfIn PDF document text
- http://henanshuangxin.com/d/files/45753320833.pdfIn PDF document text
- https://dagvandearchitectuur.be/_files/file/busabilajipokekuzonif.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=free+fire+mod+apk+100+workingPDF 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_off0000d836.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD836 | 19764 bytes |
SHA-256: 88c702698f247254465abf968e2b171fd8b0a76347ab7efc2f52290205080c9c |
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font_01_sfnt_off00010cf1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10CF1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012508.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12508 | 10860 bytes |
SHA-256: d0ede3b69870a3ca405f961565e6efa0a35b25df41339fdc52f1d2ec941206b5 |
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