MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, many pointing to compromised CMS uploads or disposable hosting, suggesting a link farm designed to redirect users. While no scripts were explicitly extracted, the PDF structure and embedded URLs strongly suggest a phishing or malware distribution attempt, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
Heuristics 6
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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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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://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081d05f89bd7---topetumuzumulofedezunapod.pdf In PDF document text
- http://costanzolegal.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/28746849221.pdfIn PDF document text
- http://mppscstudy.com/admin/usercontent/file/44122174056.pdfIn PDF document text
- http://jimsclub.net/new/board/img_tinfo/file/20210902030306.pdfIn PDF document text
- http://texinpack.com/uploadfile/file///2021080713431544.pdfIn PDF document text
- http://cafehinglung.com/uploads/files/vofafururajofereridis.pdfIn PDF document text
- http://sostrevalli.it/userfiles/files/89836910311.pdfIn PDF document text
- https://www.tahitotfalu.hu/ckfinder/userfiles/files/55405315659.pdfIn PDF document text
- http://qlinairnv.be/userfiles/file/25984206577.pdfIn PDF document text
- http://speaklifeiamgreatness.com/files/files/bavibomavipa.pdfIn PDF document text
- https://dispomydeal.com/wp-content/plugins/super-forms/uploads/php/files/75aa37ed862129eec264d6895cdde232/10197837781.pdfIn PDF document text
- https://moniimpex.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ba32964ef4---dizerepovevepawogabaxe.pdfIn PDF document text
- https://thehero88vip.com/ckfinder/images_store/files/betodov.pdfIn PDF document text
- http://zonwering-nederland.com/ckfinder/userfiles/files/71919110229.pdfIn PDF document text
- http://15449010.com/FileData/ckfinder/files/20210622_0621269C97C2A18C.pdfIn PDF document text
- https://luminex.pl/upload/file/kaxubixag.pdfIn PDF document text
- https://sumangold.net.vn/wp-content/plugins/super-forms/uploads/php/files/t3uod72u40rp43l53gv80mhnmg/litiwaxisurifepikifotej.pdfIn PDF document text
- https://www.lowdoc-loans.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1606d444d55a39---39168947425.pdfIn PDF document text
- https://livres-d-art.com/ckfinder/userfiles/files/9480695849.pdfIn PDF document text
- http://pileshoppen.dk/userfiles/file/xoxesapoka.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=hemodinamia+en+pediatria+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_off0000d759.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD759 | 10436 bytes |
SHA-256: 10ca93ede25dac5efa34642d8fa7c566a89b7d21f202432eeca2052a4996652f |
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font_01_sfnt_off0000eee2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEE2 | 19492 bytes |
SHA-256: 17ffebc3dc1e6f30279e1f802aa592f2a344c4db413e8ac14fe693be60c6ce82 |
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font_02_sfnt_off0001205d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1205D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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