MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, indicating a high likelihood of malicious intent. It contains numerous embedded URLs that point to external websites, many of which are hosted on compromised CMS uploads or disposable domains, suggesting a link farm designed to redirect users to potentially malicious content or phishing sites. No scripts were extracted, but the overall structure and URL distribution strongly suggest a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://philabc.ru/uplcv?utm_term=cinema+on+firestick+2021 PDF link annotation
- http://flooroverstock.com/admin/userfiles/file/37360554225.pdfIn PDF document text
- https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613be6e369bbf---jigof.pdfIn PDF document text
- http://condosworld.com/abisol1/userfiles/files/98455830718.pdfIn PDF document text
- https://kratky.eu/files/file/mimirepoguzog.pdfIn PDF document text
- http://sintellect.ru/Repository/file/79740761902.pdfIn PDF document text
- http://telesson.net/_UploadFile/Images/file/80388064300.pdfIn PDF document text
- https://elegune.net/files/galeria/files/3818335068.pdfIn PDF document text
- http://dlastudenta.org/Upload/file/4447077988.pdfIn PDF document text
- https://i-try.tw/upfile/files/2021/09/09/18179873117.pdfIn PDF document text
- https://autotronics.vn/userfiles/file/22772255307.pdfIn PDF document text
- https://red-adlay.com/upload/files/20125826271.pdfIn PDF document text
- http://asirius.su/wp-content/plugins/super-forms/uploads/php/files/8d3477471e8f33d534f55f6ad1ceff20/kixipofogeza.pdfIn PDF document text
- http://pcserviszlin.cz/ckfinder/userfiles/files/45998762843.pdfIn PDF document text
- https://eduinfinite.com/wp-content/plugins/super-forms/uploads/php/files/ad3238c99494e2b5d818204167e6b39d/11394398364.pdfIn PDF document text
- https://veaodaibrahma.com/uploads/image/files/8152203934.pdfIn PDF document text
- http://taociren.com/upload/file/210914013129742252yy2ejp6po7gg.pdfIn PDF document text
- http://vipdiler.ru/files/file/88013715020.pdfIn PDF document text
- http://thienthaopc.com/upload/FCK/file/12258307071.pdfIn PDF document text
- https://deshpanday.com/ckfinder/userfiles/files/38879895294.pdfIn PDF document text
- https://innotek.vn/uploads/news_file/24871536055.pdfIn PDF document text
- https://nsstore.mx/ckeditor/ckfinder/archivossubidos/files/zilopuzazamamadogek.pdfIn PDF document text
- https://7mark3t2-7aya.com/contents/files/xejejomakukexivuponugo.pdfIn PDF document text
- http://blossomtour.net/FileData/ckfinder/files/20210909_90DDBBDDFA82E6D1.pdfIn PDF document text
- http://househouse.it/userfiles/files/55753918901.pdfIn PDF document text
- 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_off0000d24e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD24E | 18744 bytes |
SHA-256: de3d2f8f900dd4050617319e1198604f475ec6a01b754bff897e24be684ffb6a |
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font_01_sfnt_off000102eb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102EB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011b02.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B02 | 10868 bytes |
SHA-256: a9d69a9810d74a465edea150656a39d34bff3a97e4ace4cfaaefd4beecec1ba1 |
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