MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs and is identified as a link farm, suggesting an attempt to redirect users to malicious sites. While no scripts were explicitly extracted, the nature of the PDF and its embedded links strongly indicate a phishing or malware distribution vector, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 7
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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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QR-code redirect lure medium SE_QR_LUREDocument instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://wasserentkalkung.at/ckfinder/userfiles/files/65991199223.pdf In PDF document text
- https://majorsagilekvaros.hu/uploads/file/80760036292.pdfIn PDF document text
- https://sabagdasarov.ru/upload/file/zimuwu.pdfIn PDF document text
- http://geologicatoscana.eu/userfiles/files/zelituluvasinoru.pdfIn PDF document text
- http://www.diplomat2014.ru/ckfinder/userfiles/files/kimuduwikipazonaro.pdfIn PDF document text
- https://penzion-palice.cz/content/vupaduwalisotixixaleb.pdfIn PDF document text
- http://sromedical.com/file_media/file_image/file/19412073407.pdfIn PDF document text
- http://kpghomerepairs.com/uploads/image/files/90410214590.pdfIn PDF document text
- https://nocenzura.space/web/img/podborky/files/nomufuvepo.pdfIn PDF document text
- http://tryinvest.eu/userfiles/files/73939951474.pdfIn PDF document text
- http://bdsps.org/slbdavbatala/userfiles/file/zuxunuropivuvizabodojawaw.pdfIn PDF document text
- http://csc0351.com/userfiles/file/20210908080648_4yf7nx.pdfIn PDF document text
- http://foto-recepty.sk/images/fotky/73655420150.pdfIn PDF document text
- https://comodee.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141106fae45f---miguwibidotoveposob.pdfIn PDF document text
- http://interiorconsignments.com/media/file/luzamudinixezok.pdfIn PDF document text
- http://cgpreceptor.com/ckfinder/userfiles/files/5711143863.pdfIn PDF document text
- http://iwort.de/userfiles/file/48245682222.pdfIn PDF document text
- http://topmebli.com/content/xuploadimages/file/golojataxudu.pdfIn PDF document text
- http://kaiyudachem.com/filespath/files/20210903082148.pdfIn PDF document text
- https://mahanakhon.pacedev.com/ckupload/files/pipupazig.pdfIn PDF document text
- https://ofly.om-digitalsolutions.cn/upload/files/9136827337.pdfIn PDF document text
- https://hurghadalife.net/userfiles/files/74147061392.pdfIn PDF document text
- http://marikitaberbagi.com/userfiles/file/xoseraluvagutiw.pdfIn PDF document text
- http://www.peplex.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613fee8884882---94366538742.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=the+invisible+man+streamingPDF 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_off0000dce7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDCE7 | 18520 bytes |
SHA-256: 6c635183306bb44cf8dfba3086ee027d126f2689038f39c6317d0bd1ace486e0 |
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font_01_sfnt_off00010dec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10DEC | 10604 bytes |
SHA-256: 9f61a7bd5e48721ebcd7212b96cc3bb41680836448555f15e23cf21bf9f36381 |
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font_02_sfnt_off000125fa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x125FA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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