MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous external URIs and is flagged as a link farm on disposable hosting, suggesting it's part of a phishing or malware distribution campaign. The PDF structure itself appears to be a lure, directing users to various external PDF files hosted on potentially compromised or malicious domains.
Machine Learning
- Nyx PDF Classifier malicious score 0.9833
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://osiindia.org/ckfinder/userfiles/files/40315135829.pdf In PDF document text
- https://kabelkyaobuv.sk/editor_uploads/files/2567972027.pdfIn PDF document text
- https://aristi-trap.com/upload/users/files/supovu.pdfIn PDF document text
- https://smwebtechnology.com/arishayurveda.com/userfiles/file/pewuxawim.pdfIn PDF document text
- http://wmasgroup.com/userfiles/file/gexeparogidazi.pdfIn PDF document text
- http://fu-xin.tw/uploads/files/202109072333447412.pdfIn PDF document text
- http://datavincity.com/uploads/ckfinder/files/wiwufinatogatok.pdfIn PDF document text
- https://kimcert.com/E/file/4881292140.pdfIn PDF document text
- https://flomogroup.com/upload/files/60162387147.pdfIn PDF document text
- https://zoldlaptop.hu/ckfinder/userfiles/files/dimawiba.pdfIn PDF document text
- https://o2opr.co/userfiles/files/bigavukiba.pdfIn PDF document text
- http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/pf5te4bsqh8tvh01df0n3ndpc7/kudoxavijiwalawose.pdfIn PDF document text
- http://dossalas.com/wp-content/plugins/super-forms/uploads/php/files/d28b8246e5c1e2c8d1a84e5500f681b4/resimumuliwake.pdfIn PDF document text
- https://ermolino.mebel18.com/uploads/files/60292104353.pdfIn PDF document text
- http://www.novosib-sport.ru/ckfinder/userfiles/files/gupixisaripotebasevajin.pdfIn PDF document text
- http://miraesusan.com/ckupload/files/72512781326.pdfIn PDF document text
- https://eravikulamnationalpark.org/ckfinder/userfiles/files/bedoperegugorome.pdfIn PDF document text
- http://yishiweb.com/upfiles/files/20210901_131949.pdfIn PDF document text
- http://talani.nl/userfiles/image/file/xupagoduvepenuku.pdfIn PDF document text
- http://senseoftourism.dk/userfiles/file/81822402952.pdfIn PDF document text
- http://sfssolution.com/userfiles/file/73591662848.pdfIn PDF document text
- http://vagtteam.dk/userfiles/Files/50978291825.pdfIn PDF document text
- https://posaonakosovu.com/ckfinder/userfiles/files/29030577645.pdfIn PDF document text
- http://gesundheit-im-blog.de/userfiles/file/58031581637.pdfIn PDF document text
- http://sapthagireesyathra.srikarpagavinayagamills.com/userfiles/file/18172360633.pdfIn PDF document text
- http://dailyxedayhang.com/userfiles/files/fanefebaxibutanonabofo.pdfIn PDF document text
- https://cartolmania.it/file/77325414614.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=protection+bottle+witchcraftPDF 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_off0000d6ab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6AB | 18716 bytes |
SHA-256: dde2d8328a11affb6e30f7a9312365c67d57aeff757d4306c0b09c294fed437b |
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font_01_sfnt_off00010709.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10709 | 10492 bytes |
SHA-256: 6f573bacd2ee4c342dab5c7fde4bfd5db6edc8ee5032707830873bd309f6df0c |
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font_02_sfnt_off00011edd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11EDD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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