MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection for 'Pdf.Phishing.Trojan'. It functions as a link farm, directing users to various websites, some of which are hosted on compromised CMS platforms. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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://huangs.tw/uploads/files/202109191803025252.pdf In PDF document text
- http://houselandia.ru/files/bikipawixepofabunama.pdfIn PDF document text
- https://pasarant0g3l-turbo-h1t.com/contents/files/furugorov.pdfIn PDF document text
- http://wu-pao.com/upfiles/editor/files/9045420725.pdfIn PDF document text
- http://okmarin.ru/userfiles/file/61647809267.pdfIn PDF document text
- http://mobydick-band.de/fckdata/file/44077738379.pdfIn PDF document text
- https://www.lowdoc-loans.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1614234500a417---12857095866.pdfIn PDF document text
- http://cudicio.it/images/file/robex.pdfIn PDF document text
- https://www.hagensmarketing.com/wp-content/plugins/formcraft/file-upload/server/content/files/161520706a7498---dusexigibibamegewi.pdfIn PDF document text
- http://etoprosto.ru/ckfinder/userfiles/files/lanijosejigojivog.pdfIn PDF document text
- http://tpt.taipei/asset/uploads/files/loniwilukireji.pdfIn PDF document text
- https://www.accidentinjurylascruces.com/wp-content/plugins/super-forms/uploads/php/files/48fjav7k9finkqobudji6hmf73/tudiselejutofep.pdfIn PDF document text
- https://aglogistics-bo.net/userfiles/file/96812668803.pdfIn PDF document text
- http://atomiccm.com/userfiles/files/sivekisatuviliraviraki.pdfIn PDF document text
- http://tpt.taipei/asset/uploads/files/vaxaxurarasunovilu.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615e2d7712310---koxolibi.pdfIn PDF document text
- https://mytalk7.com/_UploadFile/Images/file/lusebefi.pdfIn PDF document text
- https://www.hotel-palladium.gr/wp-content/plugins/super-forms/uploads/php/files/6713l7pt7kfmcoejt7qbkl7qvb/50137515138.pdfIn PDF document text
- http://valentine.tutaylamhet.com/storage/ckfinder/files/68007121645.pdfIn PDF document text
- http://tdjl.com/uploadfile/file///2021091219571542.pdfIn PDF document text
- https://www.tunnel.de/files/uploaded/file/61275295260.pdfIn PDF document text
- http://faurau.com/luodan/images/userfiles/file/duzubukoriwiti.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=sd+card+manager+apkPDF 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_off0000d599.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD599 | 18460 bytes |
SHA-256: 63a11afc3d1f1c046099453b66f630f547ddb7fd31033d88d4bd093afcf0cde6 |
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font_01_sfnt_off0001066c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1066C | 10500 bytes |
SHA-256: 637e5579bb2308d2b872a45c8e81c4b01759dab412feadc197c4f4993af0b04e |
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font_02_sfnt_off00011e13.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E13 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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