MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains a large number of embedded URLs, many pointing to compromised CMS upload directories and disposable hosting, forming a link farm designed to redirect users to malicious sites. The presence of these link farms and the nature of the detection indicate a phishing or scamming attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9983
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://oniceh.ru/uplcv?utm_term=death+note+ep+1+dub PDF link annotation
- http://infrabud.eu/fckpliki/file/rufudilamarasikixogadaf.pdfIn PDF document text
- http://www.magicapro.it/wp-content/plugins/formcraft/file-upload/server/content/files/1609771adae34e---19142557537.pdfIn PDF document text
- https://www.cdscabling.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16090da9b8e53a---387078189.pdfIn PDF document text
- http://serendipityorlando.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c0c16440390---fotara.pdfIn PDF document text
- https://qualitylightsolutions.com/wp-content/plugins/super-forms/uploads/php/files/d4f5adfcdc063e08f424cb57913abb58/tetebiwinenefeweveketuse.pdfIn PDF document text
- http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/cc0c9a8da11220eefa533625866d3d08/sazupinodi.pdfIn PDF document text
- http://i-harmonics.com/upload/files/8837907208.pdfIn PDF document text
- https://bestcaps99.com/ckfinder/userfiles/files/dewevemosezuwobomodosajas.pdfIn PDF document text
- https://avenue102.com/uploads/file/15548542480.pdfIn PDF document text
- http://igigeothermal.jp/userfiles/file/jujizamemegumo.pdfIn PDF document text
- http://terapie-psi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160ca3a5b12c90---tadopuvi.pdfIn PDF document text
- http://lamdecal.com/Images_upload/files/fumedabekevovo.pdfIn PDF document text
- https://marwaautorepair.com/nbloom/fckuploads/file/67410595704.pdfIn PDF document text
- https://nhabe.com.vn/ckfinder/userfiles/files/76317563576.pdfIn PDF document text
- http://stpatricksreunion.org/clients/84553/File/xupik.pdfIn PDF document text
- http://ersatzmonitor.de/userfiles/file/29452862552.pdfIn PDF document text
- https://www.sussexweddingservices.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16077eb558e892---6048787197.pdfIn PDF document text
- https://thefencedocumentary.com/adminfiles/file/gumakobabis.pdfIn PDF document text
- https://galerieportelouise.be/userfiles/files/6588771791.pdfIn PDF document text
- http://plusbateria.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd39326d23f---21423953718.pdfIn PDF document text
- https://hoovermaids.com/wp-content/plugins/super-forms/uploads/php/files/9206a097815926548af23088f319c59c/82557100429.pdfIn PDF document text
- https://www.davinci.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160c8ebc644b79---wikupepa.pdfIn PDF document text
- https://hgb.se/filer/file/xapegewatomilarumaxonog.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_off00011a63.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A63 | 10376 bytes |
SHA-256: f17d4803cced091410fd77ab401a50eb64311b4781e977d7c9cf3b2221488cda |
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font_01_sfnt_off00013189.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13189 | 19124 bytes |
SHA-256: 84334c1a9071f9ffad766a40b115c7651c69a56d7011a9f266b9c2c548e6198a |
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font_02_sfnt_off000163c8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x163C8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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