MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by multiple heuristics, including a critical ClamAV detection for 'Pdf.Phishing.Trojan' and an ML classifier indicating maliciousness. The presence of numerous external URIs, many with 'utm_term' parameters, suggests a link farm designed to redirect users to potentially malicious content. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports this, indicating a non-clustered link farm on disposable hosting. While no scripts were explicitly extracted, the nature of the heuristics and the numerous URLs point towards a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://huntic.ru/uplcv?utm_term=the+thinning+2016+full+movie PDF link annotation
- http://studioriboldi.eu/userfiles/files/65531929175.pdfIn PDF document text
- http://combatkuntao.com/ckeditor/ckfinder/userfiles/files/liduguguwav.pdfIn PDF document text
- http://megatex-plast.ru/pub/file/faparilorije.pdfIn PDF document text
- https://zhansq.cn/upload/file/jabujesaxalegidegub.pdfIn PDF document text
- https://adikkeempat.com/contents/files/68254012298.pdfIn PDF document text
- http://goldendazzle.com/upload/quangtri/files/wewoveliveselamejenudesox.pdfIn PDF document text
- http://lisaarkin.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/bemiwomixirawuvabi.pdfIn PDF document text
- https://hanomanberjaya.com/contents/files/tubexategosotajopizopi.pdfIn PDF document text
- http://canshu.dlzj.net/upload/files/2021091906113316081.pdfIn PDF document text
- https://waelfawzy.com/userfiles/file/In PDF document text
- http://speckrepeg.by/UserFiles/files/816409139.pdfIn PDF document text
- https://divorcioconsensual.com.br/wp-content/plugins/super-forms/uploads/php/files/9f6d5571da93f896508c5ba2b64f564c/46066396120.pdfIn PDF document text
- http://telecycling.org/files/file/vedufokavugus.pdfIn PDF document text
- http://ropesadventure.com/d/files/2014143611.pdfIn PDF document text
- https://dailyhondaotomientay.com/upload/files/xepowawadimumilisinogufig.pdfIn PDF document text
- https://t-groupvnxkld.com/uploads/news_file/bavaro.pdfIn PDF document text
- http://turismo-usa.com/files/others/74270150331.pdfIn PDF document text
- http://softwarefactory.nl/images/file/46818906758.pdfIn PDF document text
- http://annabarons.lv/files/files/79021559970.pdfIn PDF document text
- https://agrimal.pl/userfiles/file/41647755958.pdfIn PDF document text
- http://leap-egypt.com/wp-content/plugins/formcraft/file-upload/server/content/files/161312b9de54c1---jugapejasubaxibigofuluj.pdfIn PDF document text
- http://teenmag.cz/userfiles/file/21783135887.pdfIn PDF document text
- https://pasationtravellers.com/root/FCKeditor/file/39916140315.pdfIn PDF document text
- http://clair-environnement.eu/catalogue_dynamique/file/xasudupapapanujowuxiteta.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://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_off0000d112.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD112 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e924.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE924 | 19188 bytes |
SHA-256: 3309a52a3b5b0635900e26794113cb6334b46f812a933d456d97ecf46e90270c |
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font_02_sfnt_off00011b88.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B88 | 10820 bytes |
SHA-256: 21a6348e13019e52e311f11c98519add1b39cac55fe7c4c349281f1030925518 |
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