MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file is identified as malicious by ML classifiers and ClamAV, specifically flagged as a phishing trojan. Heuristics indicate it functions as a link farm, directing users to numerous distinct domains, many of which appear disposable. The presence of multiple external URIs and the 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic strongly suggest a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
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://nomylo.ru/uplcv?utm_term=how+to+use+mock+location PDF link annotation
- http://sinosteelcode.com/filespath/files/20210906081814.pdfIn PDF document text
- http://autosoftware.company/autoresponders_images/files/lokerovudefised.pdfIn PDF document text
- http://kraljicabih.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613042536960f---55418293053.pdfIn PDF document text
- https://inprovitvenezuela.com/ckfinder/userfiles/files/ronemitopolijazetolujuv.pdfIn PDF document text
- https://artbynela.com/uploads/file/pipumuvurizaruwamofu.pdfIn PDF document text
- https://weeb.nu/userfiles/file/sonifuwumanixazaso.pdfIn PDF document text
- https://12shio2.com/contents/files/xefutotukelugabifiso.pdfIn PDF document text
- http://stimatacasa.eu/userfiles/files/77111252216.pdfIn PDF document text
- http://bobhendrix-law.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/jepikalozinem.pdfIn PDF document text
- http://marikitaberbagi.com/userfiles/file/nabufereratoxadava.pdfIn PDF document text
- http://kristiankutschera.de/userfiles/file/92048288268.pdfIn PDF document text
- https://ajansnigde.com/resimler/files/duferadozuwaban.pdfIn PDF document text
- http://globalnetworks.de/www.galabau-poscher.de/main/preview/ckfinder/userfiles/files/7627501544.pdfIn PDF document text
- http://cplust.com/upload/serback/files/20210916182755.pdfIn PDF document text
- http://rund-sro.cz/UserFiles/File/29732310829.pdfIn PDF document text
- http://dtyxbpzx.com/filespath/files/20210921122138.pdfIn PDF document text
- http://zhizhencn.com/filespath/files/20210915155232.pdfIn PDF document text
- https://shidoremicrosys.com/media/divek.pdfIn PDF document text
- https://www.oalysa.cz/ckfinder/userfiles/files/kodulosemi.pdfIn PDF document text
- https://mimpiindahsatu.com/contents/files/popesebulijuruvabiwatawa.pdfIn PDF document text
- http://www.carolglassman.com/wp-content/plugins/formcraft/file-upload/server/content/files/16146ceb96fb5b---winojexifoxuzunusanog.pdfIn PDF document text
- http://papienbanana.com/user_file/file/59452608402.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_off0000b258.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB258 | 10560 bytes |
SHA-256: f01f0fd26a0550e956f56b537188423a8dfb06194989d63d2dea8ccfe9368b56 |
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font_01_sfnt_off0000ca74.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA74 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e286.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE286 | 14540 bytes |
SHA-256: ce221383c2368e810cc618b89ec7ac30f0bfb135e58c3af6fb109d509f9ff463 |
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