MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF document was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. The document contains numerous embedded URLs, many pointing to compromised WordPress sites, suggesting a link farm designed to redirect users to malicious content. While no scripts were explicitly extracted, the nature of the embedded URLs and the overall structure indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://chcial.ru/uplcv?utm_term=how+deep+are+treasure+chests+in+minecraft PDF link annotation
- https://medok18.ru/wp-content/plugins/super-forms/uploads/php/files/3b3630d9ca38a2b655f51a165f608cb5/43986985595.pdfIn PDF document text
- http://cbelmira.com/wp-content/plugins/super-forms/uploads/php/files/7fs30cq97j4mviac45a0fdmia6/53045795290.pdfIn PDF document text
- http://www.marcado.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160b9130a9c65b---1221130110.pdfIn PDF document text
- http://astro2sphere.com/admin/images/file/51868528684.pdfIn PDF document text
- http://megat.pl/uploaded/fck_files/file/duvofu.pdfIn PDF document text
- https://stcatherine.ac.ug/wp-content/plugins/formcraft/file-upload/server/content/files/16072dc9986bdd---kibiwipagok.pdfIn PDF document text
- https://www.colegiodesafio.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/160873611e34ae---lorajixasugew.pdfIn PDF document text
- https://abugfreemind.com/userfiles/file/komuxok.pdfIn PDF document text
- https://emotionalgift.com/ckfinder/userfiles/files/62551718738.pdfIn PDF document text
- http://www.vivelamusica.es/wp-content/plugins/formcraft/file-upload/server/content/files/1608888732cea7---puziwufon.pdfIn PDF document text
- https://biogenetixpharma.com/ci/userfiles/files/67922655161.pdfIn PDF document text
- https://accuratesearch.com/userfiles/file/40147808093.pdfIn PDF document text
- http://worthingtonpark101.com/userimages/vobezitabuf.pdfIn PDF document text
- http://vincityhomes.vn/wp-content/plugins/super-forms/uploads/php/files/srb1e3fepjlc0f959gm1fum3qu/zutifavopejanotezip.pdfIn PDF document text
- http://grupomarsamo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1d5e9c5b7e---podavejusopenudugo.pdfIn PDF document text
- http://ainut.fi/userfiles/file/50944288928.pdfIn PDF document text
- https://sharzh-ufa.ru/wp-content/plugins/super-forms/uploads/php/files/cb09612347c0b087aa972cf672843a68/basoz.pdfIn PDF document text
- https://businesslife.com/content/file/38992140603.pdfIn PDF document text
- https://nscs.org/wp-content/plugins/super-forms/uploads/php/files/3cb87190ca46daceb34d0a4ee14d75f2/wigejopiniwirirupaduxip.pdfIn PDF document text
- https://beaufortbond.com/wp-content/plugins/super-forms/uploads/php/files/180b7ef1377baca076f91fe21b9adf60/72067932581.pdfIn PDF document text
- http://www.advancedevents.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160c7a3d1b5fab---84881796284.pdfIn PDF document text
- https://www.andrecampbell.ca/wp-content/plugins/super-forms/uploads/php/files/272e859eb1bdfc9a2a8ac928c71b5d4d/14727465719.pdfIn PDF document text
- http://thanhlamresort.vn/wp-content/plugins/formcraft/file-upload/server/content/files/1606f6d6c532b2---wazurawojiselo.pdfIn PDF document text
- https://michaels-limo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b03cae9e7a---65738794595.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_off0000e96b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE96B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001017d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1017D | 17028 bytes |
SHA-256: 9010c2566daca73791fa282d14aae2ab05342ca7eb31ab3c9e59c525e0091f97 |
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font_02_sfnt_off00012deb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12DEB | 11016 bytes |
SHA-256: fe490d719749e40f28d6beca7098982b1584dfddb0dd387383fa028cfb9ad932 |
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