MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous external URLs, many of which are hosted on potentially compromised or disposable domains, suggesting a link farm or phishing lure. The PDF structure and embedded URLs point towards an attempt to redirect users to malicious content, aligning with spearphishing tactics.
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 https://0a3exp.com/upfiles/editor/files/pipixawaw.pdf In PDF document text
- http://youngthisyear.com/ckfinder/userfiles/files/13700311921.pdfIn PDF document text
- http://studiotecnicopinto.it/userfiles/files/zasugekajalakapugotudoro.pdfIn PDF document text
- https://cihangirhotel.com/upload/ckfinder/files/95141246882.pdfIn PDF document text
- https://lifetides.ca/cambridge/uploads/files/97228914474.pdfIn PDF document text
- http://www.studiolegalefusimorelli.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a9a73bf8cb---13968221582.pdfIn PDF document text
- http://flairpens.ru/uploads/files/kakefigor.pdfIn PDF document text
- http://brlairport.com/images/file/kideduf.pdfIn PDF document text
- http://edbiji.com/uploads/files/20210902071624_732721.pdfIn PDF document text
- https://isigakizima.net/img/tmp/file/fogaxuw.pdfIn PDF document text
- http://oroblupiscine.it/userfiles/files/14363252734.pdfIn PDF document text
- http://lesmashclub.com/imgUpload/files/61591476564.pdfIn PDF document text
- http://ettermanenterprises.com/ckfinder/userfiles/files/34322229645.pdfIn PDF document text
- https://dynasty888.com/image/files/20210909_183259.pdfIn PDF document text
- http://domplus.su/userfiles/files/mumoluliwelatisurow.pdfIn PDF document text
- http://mvdeastudio.it/userfiles/files/gakelu.pdfIn PDF document text
- https://wcdt.co.th/wp-content/plugins/super-forms/uploads/php/files/fa3hn27ofdt58qlleajfecitce/41189849028.pdfIn PDF document text
- https://adesso-moosburg.de/images/file/62606464705.pdfIn PDF document text
- http://s8radziejowice-paszkow.pl/userfiles/file/58583226686.pdfIn PDF document text
- https://xn-----6kcabagcgfjsxjciriy6alkh6a7aqk.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/36b42b333a64698d7373a87f4efa4100/boxunolazapi.pdfIn PDF document text
- http://lycee-elm.info/userfiles/file/rowefazepejatalewazeg.pdfIn PDF document text
- http://luxmeterthai.com/ckfinder/userfiles/files/13217181072.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=android+wear+battery+drain+fixPDF 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_off0000d580.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD580 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ed97.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED97 | 10556 bytes |
SHA-256: 7ba1199601f741e13f503e148d8f9b2f898c01790acad5b92085fe58a21abe2e |
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font_02_sfnt_off000105e2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x105E2 | 16748 bytes |
SHA-256: 98a9199d469100fe6e7de23527dc95adb9d5d78799bee9041b40487e4ddafa4f |
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