MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was flagged by ML classifiers and ClamAV as malicious, with heuristics indicating it functions as a link farm directing users to numerous external PDF files. The presence of embedded URLs and the PDF_SEO_DISPOSABLE_LINK_FARM heuristic suggest a phishing or malware distribution scheme. No scripts were extracted, but the overall structure points to a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
Heuristics 5
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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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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://urbanshapes.in/userfiles/file/8771458355.pdf In PDF document text
- http://universalgroupautos.com/files/others/zutipipugaxovozekabeko.pdfIn PDF document text
- http://mylodge-naoshima.com/52093109910.pdfIn PDF document text
- https://villadorottya.hu/uploads/frontend/files/30020252096.pdfIn PDF document text
- http://abwcrainhwy.com/uploads/files/girefasixom.pdfIn PDF document text
- http://xn--80aikni6a0b.xn--p1ai/images/file/27829791306.pdfIn PDF document text
- https://thingstodobahrain.net/ckfinder/userfiles/files/35058116435.pdfIn PDF document text
- http://eia-edu.com/userfiles/file/vebexit.pdfIn PDF document text
- http://1yunnan.com/ckfinder/userfiles/files/jejelapojebovotinovitage.pdfIn PDF document text
- http://mirutte.com/newsfiles/files/4282017112.pdfIn PDF document text
- http://oasis-inwaste.asia/files/file/jaxakafidufabewezusugemab.pdfIn PDF document text
- http://swaptoys.org/ckeditor/uploads/files/96525961463.pdfIn PDF document text
- http://kriosispl.com/cote_dor_import/admin/ckfinder/userfiles/files/47600955619.pdfIn PDF document text
- http://tianlanip.com/filespath/files/20210921190904.pdfIn PDF document text
- https://hlj-vibration.com/uploads/image/20210907/files/20210907172712.pdfIn PDF document text
- http://asliev.coco1490.com/upload/file_folder/file/xijapawuju.pdfIn PDF document text
- http://kemnhapkhau.com/upload/files/80506243333.pdfIn PDF document text
- http://irpuyesh.com/cache/fck_files/file/nugenova.pdfIn PDF document text
- https://mobiligennari.com/userfiles/file/vilibuxuki.pdfIn PDF document text
- http://thenikharvconsultancy.com/userfiles/file/mezipifuwewemo.pdfIn PDF document text
- https://www.tai.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1614825524908c---julutatoxoxunus.pdfIn PDF document text
- https://cabinetscounters.com/ckfinder/userfiles/files/sutori.pdfIn PDF document text
- http://beloezoloto.ru/userfiles/file/wumiwuguboxopor.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=hex+to+decimal+converter+in+cPDF 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_off0000b0ad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB0AD | 16056 bytes |
SHA-256: 989287ac1d569df8ef0ee8e3af59afe4fe44a8316d887370c792e98d09ef0d54 |
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font_01_sfnt_off0000d9a9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9A9 | 10524 bytes |
SHA-256: 589033a878bec38c8e5fd41660fb7dd8200037279eec9a539844a70caebf1bae |
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font_02_sfnt_off0000f18a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF18A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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