MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged as malicious by ML classifiers and ClamAV, exhibiting characteristics of a phishing lure. It impersonates a cloud document service, directing users to a suspicious URL for a 'backup free cloud storage' download. The embedded URL and the heuristic firings strongly suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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Cloud document impersonation lure medium SE_CLOUD_DOC_LUREDocument impersonates a cloud file-sharing service such as SharePoint, OneDrive, Google Drive, Dropbox, Box, or Microsoft 365 and asks the user to open, verify, or access a shared document
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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://traffnew.ru/strik?utm_term=backup+free+cloud+storage PDF link annotation
- https://cdn-cms.f-static.net/uploads/4382003/normal_5fb324ce69f8e.pdfIn PDF document text
- https://cdn.sqhk.co/bopesajan/iCBdjb8/text_to_cnc_programer.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4409619/normal_5fc601f0214d8.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4367000/normal_5f8743326a299.pdfIn PDF document text
- https://cdn.sqhk.co/zokoxirinuz/bghDfic/diy_carnival_ring_toss_game.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4370071/normal_5fe54432d5d4b.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/dobesogum/podimavekixaguda.pdfIn PDF document text
- https://s3.amazonaws.com/jinabisura/ruxidofu.pdfIn PDF document text
- https://s3.amazonaws.com/gaxuremewuger/manual_camtasia_studio_8_portugues.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/bc3a1fac-6782-420b-a3a2-c602dc239bc4/meiosis_leptoteno_zigoteno_paquiteno_diploteno_diacinesis.pdfIn PDF document text
- https://s3.amazonaws.com/zirojopemup/afasia_anomica.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/887f4c0f-4341-4ed9-af39-4237d49ed4d7/mumafelonedo.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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000db47.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB47 | 5436 bytes |
SHA-256: 0f96a991bd973528ffd13d4677a75ab1f5021669a9c12b41da3759d40c60d456 |
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font_01_sfnt_off0000eddf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDDF | 10116 bytes |
SHA-256: a549d8aec5b475e6f3b335d5e16276f3f4858a6a7e8ff351c2426c8215594d12 |
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