MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF employs a common phishing tactic by presenting itself as an image to entice user interaction. It contains numerous links to external PDFs hosted on various domains, suggesting a link farm designed to distribute malicious content. The ClamAV detection and ML classifier strongly indicate malicious intent, likely related to phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
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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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LUREPDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 66 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
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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://burragebrothers.com/demo/jolie/beta/userfiles/files/lovatizukomikofoda.pdf In PDF document text
- https://mccartha-cobb.com/userfiles/files/delotonozisowagogomikirak.pdfIn PDF document text
- https://ripedesign.com/app/webroot/files/fckeditor/file/68265817299.pdfIn PDF document text
- http://bolt-go77.com/fckeditor/userfiles/file/93988062339.pdfIn PDF document text
- http://zenobiacultura.it/userfiles/file///60852167948.pdfIn PDF document text
- http://lucidarepavimentimarmogenovaealessandria.it/userfiles/files/81994154999.pdfIn PDF document text
- https://insinkerator.us/images/uploaded/file/11110171769.pdfIn PDF document text
- http://hnyinfeng.com/d/files/36413024598.pdfIn PDF document text
- http://hotel-gerard-dalsace.com/upload/document/98589857516.pdfIn PDF document text
- http://nagymester.com/userfiles/file/subifezoraserer.pdfIn PDF document text
- http://thebrownbag.vn/upload/files/nesegurovamemodi.pdfIn PDF document text
- https://wasael.com/userfiles/file/28182007643.pdfIn PDF document text
- https://maharajganjtimes.com/assets/ckfinder/core/connector/php/uploads/files/43912712912.pdfIn PDF document text
- http://inewbus.com/wp-content/plugins/super-forms/uploads/php/files/hbepekudso7qga71p6rem2q1i5/31051814978.pdfIn PDF document text
- https://wscnaturalhealings.com/wp-content/plugins/super-forms/uploads/php/files/d28ed8a977de9bb5c9c19aa4d06071a9/83191112292.pdfIn PDF document text
- https://saikekanglun.com/filespath/files/20210915181057.pdfIn PDF document text
- http://karmakonnect.org/DrumiBhatt/karmakonnect.org/Final/ckeditorimage/files/76610572889.pdfIn PDF document text
- http://redeyeldn.com/userfiles/file/soniravar.pdfIn PDF document text
- https://millinerandassoc.com/files/file/67440956976.pdfIn PDF document text
- https://dolaodong.com/userfiles/file/31134329074.pdfIn PDF document text
- https://driftwoodcc.com/userfiles/files/nokosepubifipirozepus.pdfIn PDF document text
- https://audit-advisers.com/userfiles/file/majogekawinufulamutuz.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=heat+wave+in+the+westPDF 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_off0000acbc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xACBC | 14028 bytes |
SHA-256: 4eafce6be37ea0d5269066ee0eec10de480cce768fa2568ba390f92742576c89 |
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font_01_sfnt_off0000cf5a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCF5A | 10084 bytes |
SHA-256: 0a2ea461206617624f4b7304fe01941e1c4c076479c37d4dcf6e6c9c4f0c1658 |
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font_02_sfnt_off0000e5be.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE5BE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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