MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, with a high probability of being a phishing or trojan distribution. The PDF contains numerous embedded links pointing to various domains, many of which appear to be part of a link farm designed to obscure the ultimate destination. While no scripts were explicitly extracted, the heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a strong likelihood of malicious intent through link manipulation.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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 https://hoangmailogistics.com/asset/site/files/kozunazigobipu.pdf In PDF document text
- http://telek-trans.hu/editor_up/12406176028.pdfIn PDF document text
- http://copingconversations.com/userfiles/file/14635673265.pdfIn PDF document text
- https://realimpacto.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613ac8fac6393---92753161349.pdfIn PDF document text
- https://autoskola-scp.com/files/wadelulas.pdfIn PDF document text
- http://tomaszfilipczak.pl/userfiles/file/63329819299.pdfIn PDF document text
- http://comp-art.ru/userfiles/file/91032257202.pdfIn PDF document text
- http://wsospice.org/uploads/userfiles/file/file/fedobepebokamufatominopat.pdfIn PDF document text
- http://fongyoskert.hu/userfiles/files/gedirinugovobopidivizafe.pdfIn PDF document text
- http://lauraestetica.com/userfiles/files/madubi.pdfIn PDF document text
- http://songdolandmarkcity.com/userfiles/file/tufenumo.pdfIn PDF document text
- http://maymaygiaydachidang.com/upload/files/vanemepijoravo.pdfIn PDF document text
- http://xn--80ahcjevtqq.xn--p1ai/ckfinder/userfiles/files/22345798977.pdfIn PDF document text
- http://bndweb.nl/upload/files/17214337306.pdfIn PDF document text
- http://dailyxedayhang.com/userfiles/files/74407274248.pdfIn PDF document text
- https://linkevicius.com/upload/galery/file/25315077859.pdfIn PDF document text
- https://parvazyab.com/basefile/api203/files/2201823200.pdfIn PDF document text
- https://mwasafat.com/uploads/files/vutoturogusi.pdfIn PDF document text
- http://dwornawodzie.pl/userfiles/file/kolokuzefa.pdfIn PDF document text
- http://home-hj.com/up_photo/file/32478264020.pdfIn PDF document text
- https://teater77.nl/userfiles/file/50944044629.pdfIn PDF document text
- http://zoscm.zohukum.com/ckfinder/userfiles/files/41432704414.pdfIn PDF document text
- http://feg.vn/uploads/files/62691665430.pdfIn PDF document text
- http://gadkowski.pl/repository/filemanager/file/56401076217.pdfIn PDF document text
- https://ht-cooling-j3t.com/contents/files/6092961568.pdfIn PDF document text
- https://akproauto.com/nbloom/fckuploads/file/fujowokadinizadejuli.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=mobdro+alternatives+for+firestickPDF 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_off0000daff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDAFF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f311.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF311 | 17288 bytes |
SHA-256: 2667be219871dfcf7a26ac635a70d044ea63d5d52d55381d5a76eecedb85eec3 |
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font_02_sfnt_off0001200c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1200C | 10760 bytes |
SHA-256: 40ff6130900c95a9afce41be92c551458174f9ef054934588bde7e9d4c72a653 |
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