MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, with numerous URLs pointing to potentially compromised websites or disposable hosting. The presence of multiple external URIs and the 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic suggest a deliberate attempt to lure users to external sites, likely for phishing or to download further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9933
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://ngoctraithaibinhduong.com/uploads/news_file/5934934598.pdf In PDF document text
- http://toszegisuli.hu/userfiles/file/mamodigepe.pdfIn PDF document text
- http://come2menorca.com/images/file/16414364900.pdfIn PDF document text
- https://kotypsy.pl/ckfinder/userfiles/files/sanadawaveguzol.pdfIn PDF document text
- http://maginsaatmetal.com/resimlerfiles/70546781160.pdfIn PDF document text
- https://www.helpagesl.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613f6fa31e5fd---tixeragazinetena.pdfIn PDF document text
- http://forglass.sk/userfiles/file/63184654956.pdfIn PDF document text
- https://beaufortbond.com/wp-content/plugins/super-forms/uploads/php/files/9a7d3674ff26bc68bbee6e03118aee3e/tesesori.pdfIn PDF document text
- http://zjhywt.com/images/upload/File/gupuso.pdfIn PDF document text
- http://aromamahabaleshwar.com/ckfinder/userfiles/files/85652292016.pdfIn PDF document text
- http://xszhuhai.com/uploadfiles/files/83388728787.pdfIn PDF document text
- http://www.lentilles-progressives.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1613638a2cef39---75714815251.pdfIn PDF document text
- http://megaprestige.ru/uploads/files/28722726855.pdfIn PDF document text
- https://dcicz.org/userfiles/file/84085457310.pdfIn PDF document text
- https://coherence.cz/userfiles/file/57017980948.pdfIn PDF document text
- https://vhcvietnam.vn/ckeditor/images/files/kuzegewisewe.pdfIn PDF document text
- https://www.cfo-search.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136a7c3f2460---83572320028.pdfIn PDF document text
- http://cdkuysuujk.handysociality.com/upload/files/75130825979.pdfIn PDF document text
- https://www.whoamiandwhyamihere.com/ckfinder/userfiles/files/fatizonuxazewe.pdfIn PDF document text
- http://www.yemany.com/yemfiles/files/rokamizejejejotav.pdfIn PDF document text
- http://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/16135ee86c078a---gufeteselopepozusetatodi.pdfIn PDF document text
- https://coolingrealestate.com/your-home-cleaner/FCKuploads/file/losapabupodugubame.pdfIn PDF document text
- https://idealist.ro/userfiles/file/vesulogavukubotajuwikagoj.pdfIn PDF document text
- http://www.coverseg.com/uploads/ckfinder/files/xolinasal.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=life+on+top+full+episodes+online+freePDF 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d14d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD14D | 10384 bytes |
SHA-256: e480df37233fa4510eddfaaf72eaac02174544fe1ee4c713eb20bb55396b2781 |
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font_01_sfnt_off0000e8df.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8DF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000100f1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100F1 | 17468 bytes |
SHA-256: 5ec503010d35d9e57a3fb651e153ca8b722fbf18907664fd136eecf4f5bad4c1 |
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font_03_sfnt_off00012ddb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12DDB | 2132 bytes |
SHA-256: 8ad1629d78958631526aea0a74d0b163a5252944052d54f78beed5240939c1a1 |
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