MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Static analysis revealed numerous embedded URLs that form a link farm, many hosted on compromised WordPress sites or disposable domains. These links are likely intended to redirect users to phishing pages or download further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 6
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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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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://huntic.ru/uplcv?utm_term=mi+box+s+problem+wifi PDF link annotation
- https://www.pension-chevaux-haras-gabereau.fr/ckfinder/userfiles/files/bugizuxenemamonofoxivujef.pdfIn PDF document text
- http://a-daily.jp/app/webroot/contents_img/files/parivisopawerifi.pdfIn PDF document text
- http://xhzhengli.com/upload/jasurododapapukonuje.pdfIn PDF document text
- http://residenzaeden-albisola.com/userfiles/files/48909606973.pdfIn PDF document text
- https://woodfur.in/userfiles/file/89610700072.pdfIn PDF document text
- http://motolargo.pl/userfiles/file/7707429237.pdfIn PDF document text
- http://lycee-elm.org/userfiles/file/40664610212.pdfIn PDF document text
- https://deewo.de/wp-content/plugins/formcraft/file-upload/server/content/files/16135955f4aa3d---zegakikedesonimap.pdfIn PDF document text
- http://www.romanschatztruhe.de/img/files/musobixemezuwet.pdfIn PDF document text
- https://udachi.co.th/wp-content/plugins/super-forms/uploads/php/files/b4ebmcne02kreopvtrld817oib/61013933059.pdfIn PDF document text
- http://nadiadsa.org/userfiles/file/nuwanaserivedarujas.pdfIn PDF document text
- http://nemochem.cn/upload/files/zejalewigokisegefapigarel.pdfIn PDF document text
- http://jd6618.com/jd6618/file/2021-9/file/LwpCms2021_09_08_20_13_22_2790.pdfIn PDF document text
- http://kisito.com/userfiles/file/37205427576.pdfIn PDF document text
- https://art-lamps-rali.eu/files/file/damufowuwidol.pdfIn PDF document text
- https://kham.vn/userfiles/file/veferamojegusaxajepix.pdfIn PDF document text
- http://nail-free.com/ckfinder/userfiles/files/68695043352.pdfIn PDF document text
- http://apvn.info/userfiles/file/vemibo.pdfIn PDF document text
- https://lederstuehle-shop.de/ckfinder/userfiles/files/lenifijize.pdfIn PDF document text
- https://www.keystonecare.co.uk/wp-content/plugins/super-forms/uploads/php/files/3ba5afd0d5073aea912870b27813345f/nudimisidujorefenafof.pdfIn PDF document text
- http://gorod-r.com/userfiles/file/ganeguweperusiz.pdfIn PDF document text
- http://architects-desk.com/uploadsfile/63588328982.pdfIn PDF document text
- https://pediatricpotentialsnj.com/PP/PPpng/files/72697273173.pdfIn PDF document text
- https://alharithiforcameras.com/ckfinder/userfiles/files/98774985178.pdfIn PDF document text
- 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_off0000ec00.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC00 | 10476 bytes |
SHA-256: 64b18cfe7c7b3ed972ce2cbf51983f69106e94c7379fdd160af5065f39f3cda3 |
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font_01_sfnt_off000103a4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103A4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011bb6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11BB6 | 17304 bytes |
SHA-256: d5a79da85b658c10d959669012b6a50820598c0ab29755193c1e73473feae2ae |
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