MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm, many hosted on compromised CMS upload directories and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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 https://synerhu.ru/uplcv?utm_term=sultan+the+saviour+full+movie+download PDF link annotation
- http://uyaviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bca82a0f4d0---januxewaduninirawajisun.pdfIn PDF document text
- https://www.goldenplanet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16077243a1866c---76196653959.pdfIn PDF document text
- http://ipjanah.ir/wp-content/plugins/super-forms/uploads/php/files/so5qhucapnmfjvttbv62v8gs01/sojibunilogususin.pdfIn PDF document text
- http://meyergarden.com/ckfinder/userfiles/files/mojukowaviniwagedumo.pdfIn PDF document text
- http://nuyewpilot.academy/wp-content/plugins/super-forms/uploads/php/files/427a9ee4d8a872d29bf4bca7d8fa24b8/vedofalaxi.pdfIn PDF document text
- https://atx-stroy.ru/wp-content/plugins/super-forms/uploads/php/files/6df076d5b5d1a98134fe31dfb0b730e6/gutesapaxorojedokaj.pdfIn PDF document text
- http://www.kliningstroy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160829cd7b8ba4---30005036945.pdfIn PDF document text
- https://valserve.in/web/k/main_admin/ckfinder/userfiles/files/44101253079.pdfIn PDF document text
- http://ccswcd.com/userfiles/file/liregewokoxuzulaxob.pdfIn PDF document text
- http://szyldkj.com/luodan/images/userfiles/file/panugajomakuneporulogunu.pdfIn PDF document text
- https://www.pal-kont.hu/wp-content/plugins/super-forms/uploads/php/files/902f7dd099301e3029b283c89b8e790e/timokirum.pdfIn PDF document text
- https://endoaccessories.com/wp-content/plugins/super-forms/uploads/php/files/767c6s5gglpkc6oe9uo9vf3ki2/visuvobeset.pdfIn PDF document text
- https://area34.info/wp-content/plugins/super-forms/uploads/php/files/0mle7d5iev7i4ad017414d4ee7/17611692078.pdfIn PDF document text
- http://bugaboo-buffalo.eu/UserFiles/File/66445420274.pdfIn PDF document text
- http://kythuatviet.vn/uploads/userfiles/file/64279141680.pdfIn PDF document text
- http://ahcxdq.com/uploads/file/042244144478.pdfIn PDF document text
- http://ahxxzx.com/userfiles/202104/file/mufowurenorilimidipirisa.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ebe2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBE2 | 5404 bytes |
SHA-256: cdb2e23b9f4bebc030c7ee8415d4d725ac96c94768f2db293d8641dd2692d742 |
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font_01_sfnt_off0000fe27.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE27 | 11072 bytes |
SHA-256: a5123d42900b9297bf24ad45363ab665f289dd51a6577668539846de7d55ccc2 |
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