MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains a link farm pointing to multiple domains, many of which appear to be compromised or disposable hosting, suggesting an attempt to obscure the ultimate destination. The presence of external URIs and a link farm indicates a likely phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
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://phyllisrubensteinlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/23345102513.pdf In PDF document text
- http://famcareconnect.org/wp-content/plugins/formcraft/file-upload/server/content/files/16139ae7b8f3a8---fejuxatuli.pdfIn PDF document text
- http://joomlacode.org/fckeditor/editor/filemanager/img.php?file=file/wegozomavefodinirewuk.pdfIn PDF document text
- http://jan-fotografie.nl/upload/files/pawizutaposalatuzid.pdfIn PDF document text
- https://rrvchefs.com/wp-content/plugins/super-forms/uploads/php/files/7a501fd7499b211af5b729bce58434e5/patekulebezujozove.pdfIn PDF document text
- http://thamcohoaian.com/webroot/img/files/54641785102.pdfIn PDF document text
- http://greenbrier101.com/userimages/57696525888.pdfIn PDF document text
- http://badgerhillfarm.uk/85621561358.pdfIn PDF document text
- http://snieznik.pl/userfiles/file/78608802817.pdfIn PDF document text
- http://velapower.com/glwh/UploadFile/file/2021090915154573499.pdfIn PDF document text
- https://texigo.tw/upfile/files/2021/09/05/wasufejojodipufivotev.pdfIn PDF document text
- http://talentfuturesservices.com/sharpinstitute/images/files/bisoxazizusizilun.pdfIn PDF document text
- https://ubk-sad.de/azubi/userfiles/files/jojem.pdfIn PDF document text
- http://chelseacarpet.com/ckfinder/userfiles/uploads/12934722076.pdfIn PDF document text
- http://lonniestireandauto.com/nbloom/fckuploads/file/turajov.pdfIn PDF document text
- https://actaviaserica.org/board/file/files/93566786496.pdfIn PDF document text
- http://securitydirect.it/wp-content/plugins/super-forms/uploads/php/files/fe298fee4560c96b3609699969aaa6e1/meremobovenopozavozedigig.pdfIn PDF document text
- http://yjeverspeed.com/userfiles/file/55199853005.pdfIn PDF document text
- https://alcoquimicos.com/ckfinder/userfiles/files/regeser.pdfIn PDF document text
- http://www.ks-klinika.ru/ckfinder/userfiles/files/zapogarimezit.pdfIn PDF document text
- https://europartner2.pl/uploads/juwafuzilojiturejolesa.pdfIn PDF document text
- http://smart-ventures.ch/upload/Editor_Images/files/xinip.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=how+to+make+a+video+your+wallpaper+windows+10PDF 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_off0000d497.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD497 | 11176 bytes |
SHA-256: 55b2a172b5450a478563e42e8f956dda80c065e9cb12fd335735c1f2712b58b5 |
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font_01_sfnt_off0000eebb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEBB | 16776 bytes |
SHA-256: c030590e8104950ebb521ed10ccef78362c60aa0cda89048b7f605fd67228c43 |
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font_02_sfnt_off00011a72.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A72 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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