MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
The PDF contains a large number of external URIs and link farm heuristics, indicating a likely attempt to direct users to malicious websites. The ML classifier and ClamAV detection strongly suggest malicious intent, classifying it as a phishing or trojan PDF. The document body is unreadable, but the heuristics and numerous unknown URLs point towards a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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 http://plenaseguroseprevidencia.com/fotosempresa/files/34162677715.pdf In PDF document text
- http://shmountaineering.co.uk/wp-content/plugins/super-forms/uploads/php/files/nileiur1hnjc9fel1a0uv6l4j1/17029124936.pdfIn PDF document text
- https://www.alongsideasia.com/wp-content/plugins/super-forms/uploads/php/files/eaedf0f554cc986ec02fe0194bf60df8/pomajor.pdfIn PDF document text
- https://sabunwangi.com/contents/files/bapeked.pdfIn PDF document text
- http://www.marsagri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd633355e18---rimasazi.pdfIn PDF document text
- http://etabetasurvey.com/userfiles/files/vatojexilafutumo.pdfIn PDF document text
- https://ohligschlaeger-berger.de/wp-content/plugins/formcraft/file-upload/server/content/files/1610de58000150---82996940447.pdfIn PDF document text
- http://mosjob.ru/images/file/sufonitarojisukilade.pdfIn PDF document text
- http://adabaskimerkezi.com/upload/file/xipinasexaxivuxoti.pdfIn PDF document text
- http://air-con.ru/upload/files/wenagotuwofoso.pdfIn PDF document text
- https://discoverapartmentsforrent.com/wp-content/plugins/super-forms/uploads/php/files/97328bb3a05f7635971a01a663d09e0b/wunez.pdfIn PDF document text
- http://bhs1966maui.com/clients/64750/File/pazubagubojapafumoganola.pdfIn PDF document text
- http://studionegrelli.it/userfiles/files/11271544683.pdfIn PDF document text
- http://venkateshservices.com/uploads/wusam.pdfIn PDF document text
- http://rnsnider-classof-68.com/clients/9/9a/9aaec9a1f64917203b32d8bba7bf2533/File/norejagemibekalanixepo.pdfIn PDF document text
- http://huile-de-nigelle.info/userfiles/file/lebirufovo.pdfIn PDF document text
- http://precedent.by/_newsite/images_from_html_editor/file/newuxadafeduvokawukapuzid.pdfIn PDF document text
- http://renknh.com/ckupload/files/23854958397.pdfIn PDF document text
- https://mabuksusu.com/contents/files/4127107552.pdfIn PDF document text
- https://ancoraeducacion.com/images/rabejutixejidumu.pdfIn PDF document text
- http://infunplastic.com/d/files/12507192106.pdfIn PDF document text
- http://engroupe.ca/aym_image/files/wazabaxesoneba.pdfIn PDF document text
- https://belgradenightlife.info/wp-content/plugins/super-forms/uploads/php/files/magrhfaqborc7je0do0rsq1eom/vasixowu.pdfIn PDF document text
- https://www.cir.cloud/wp-content/plugins/formcraft/file-upload/server/content/files/1607158b98c7a0---22673828224.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=oxford+learner%27s+grammar+and+composition+4+answers+pdfPDF 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_off0000bdbe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBDBE | 16132 bytes |
SHA-256: f820d94399567132e813d27b1788e681e132540a7578f328c20d3a7b3eaf8dd8 |
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font_01_sfnt_off0000e77a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE77A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000ff91.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF91 | 11288 bytes |
SHA-256: c17e28de022e2a5b08c694ab282a7aae101707bd8652b29cbe11fea19bc38398 |
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