MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. It contains numerous embedded URLs, many pointing to disposable hosting or compromised CMS upload directories, suggesting a link farm designed to redirect users to malicious sites. While no scripts were explicitly extracted, the presence of external URI links and the overall detection profile indicate a likely phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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 http://dvg.asia/ckfinder/uploadfiles/files/76094680779.pdf In PDF document text
- https://permargi.com/files/galeria/files/tunugibiku.pdfIn PDF document text
- http://www.taimaobi.com/admin/ckfinder/userfiles/files/5545429921.pdfIn PDF document text
- http://www.frank-diagn.hu/userfiles/files/raluvoxut.pdfIn PDF document text
- https://dispomydeal.com/wp-content/plugins/super-forms/uploads/php/files/1cb94d2d57117f603da24001fa2421ab/xitefib.pdfIn PDF document text
- https://hotelreviewreserve.com/basefile/hotelreviewreservecom/files/lawezuroguviwepafifex.pdfIn PDF document text
- http://snieznik.pl/userfiles/file/fivukudisakokizera.pdfIn PDF document text
- https://hkparkkonutlari.com/image/files/giresefeteb.pdfIn PDF document text
- https://nuevocoach.co.uk/wp-content/plugins/super-forms/uploads/php/files/8857e64cd229efae6c273e8377f88378/fodowo.pdfIn PDF document text
- https://loonbedrijfschimmel.nl/userfiles/files/44776683198.pdfIn PDF document text
- http://iccjsc.com/images/uploads/files/93314882222.pdfIn PDF document text
- http://www.scea.edu.mn/ckfinder/userfiles/files/reduleba.pdfIn PDF document text
- http://thebeautyofdesign.nl/ckfinder/userfiles/files/95704288076.pdfIn PDF document text
- http://boxshop.mn/userfiles/files/jaribiwupuwip.pdfIn PDF document text
- http://zzzwchem.com/upload/files/95179089619.pdfIn PDF document text
- http://kbidc.kr/upload/editor/file/1630798619.pdfIn PDF document text
- https://aquatrustfina.com/userfiles/file/96562165722.pdfIn PDF document text
- https://www.gs-gleichmann.de/wp-content/plugins/formcraft/file-upload/server/content/files/16136c14475852---61649736968.pdfIn PDF document text
- http://dfanchem.com/upload/files/95250708557.pdfIn PDF document text
- http://kapalishakti.com/ckfinder/userfiles/files/20552745819.pdfIn PDF document text
- https://stmarys-perthamboy.com/upload/File/foturexim.pdfIn PDF document text
- http://silver.jo/ckfinder/blanc/files/70296617626.pdfIn PDF document text
- https://polandpools.com/contents/files/gotelukexurasexaritowe.pdfIn PDF document text
- https://dragonexpressml.com/userfiles/files/27287389623.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=administra%C3%A7%C3%A3o+p%C3%BAblica+conceitos+introdut%C3%B3rios+pdfPDF 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_off0000ecbc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECBC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000104ce.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104CE | 20380 bytes |
SHA-256: 5c2d702210cfb6652d726fb30ab1252bdeb4c09bbf07dc2d5a3f494847768044 |
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font_02_sfnt_off00013770.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13770 | 11720 bytes |
SHA-256: b69dfdeb584485022ee69c86749dc56c47ef0f952e92f2f0ca5e8631f3630f6d |
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