MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample is identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The PDF utilizes a link farm strategy with numerous embedded URLs pointing to disposable hosting, suggesting an attempt to distribute further malicious content or phish users. The heuristic PDF_SEO_DISPOSABLE_LINK_FARM specifically flags this behavior.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
Heuristics 5
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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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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://phongkhamthienhoa.vn/images/files/gufofarexajupafav.pdf In PDF document text
- https://nationalshield-uae.com/userfiles/files/79307618606.pdfIn PDF document text
- https://beautydent.hu/editor_up/fiwurakorowipi.pdfIn PDF document text
- http://ottotech.center/userfiles/file/60986902079.pdfIn PDF document text
- http://an-professional.ru/img/files/file/98287203003.pdfIn PDF document text
- https://hongmao.tw/uploads/files/202109190318408549.pdfIn PDF document text
- http://vrieshorst.nl/images/uploads/file/89978276153.pdfIn PDF document text
- http://jan-fotografie.nl/upload/files/23477360422.pdfIn PDF document text
- https://ekinyalitim.com/depo/sayfaresim/file/6098592798.pdfIn PDF document text
- http://enidental.com/userfiles/file/20210918042703.pdfIn PDF document text
- http://donghozibistore.com/luutru/files/xirenexopasoxerako.pdfIn PDF document text
- http://lawngo.net/fckfiles/gomajuwitekivomifuw.pdfIn PDF document text
- http://proficlim.ru/public/userfiles/file/41206519913.pdfIn PDF document text
- http://szjglaw.com/uploadfile/file/2021091804170873499.pdfIn PDF document text
- http://texmet.pl/userimages/file/demaxuzulula.pdfIn PDF document text
- http://montesantangelo.it/files/files/9736982905.pdfIn PDF document text
- https://dampinggame.com/calisma2/files/uploads/giwazitawatatokesuw.pdfIn PDF document text
- http://tianlanlawyer.com/filespath/files/20210912122920.pdfIn PDF document text
- https://timminsrenovations.ca/file/IVIgUiW876b1hUIQ.pdfIn PDF document text
- http://aesg2edcv.handylover.com/upload/files/wepunupuwuzap.pdfIn PDF document text
- http://samtle.net/ckupload/files/deluxagugivufejumivakopol.pdfIn PDF document text
- http://massvt.sk/editor_uploads/system/files/kepejab.pdfIn PDF document text
- https://www.lumisolar.pe/wp-content/plugins/formcraft/file-upload/server/content/files/16135ac19487d8---78192935722.pdfIn PDF document text
- https://autotrilogy.com/wp-content/plugins/super-forms/uploads/php/files/f4010ebdaa9d503e68a0d4e735400d7e/29222872267.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=warm+zone+mod+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_off0000daf6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDAF6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f30d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF30D | 10292 bytes |
SHA-256: 417e8d3d33bcd24c876c56fb2c5a725cec0f9620be8e7426e5e3a43a05dbc697 |
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font_02_sfnt_off00010a33.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A33 | 17376 bytes |
SHA-256: 6d9cb06993b77d08b34bb31e2aa610cdb0d95086d56d0d2e127fa475c6bae4a1 |
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