MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The sample is a PDF file flagged by ClamAV as Pdf.Phishing.Trojan and by an ML classifier as malicious. It contains numerous embedded URLs, with a primary suspicious URL being https://leonvi.ru/123?utm_term=annie+script+scribd, which is likely used to redirect users to a phishing or malware distribution site. The PDF structure and embedded links suggest an attempt to exploit user trust for malicious purposes.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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://leonvi.ru/123?utm_term=annie+script+scribd PDF link annotation
- http://kimidenexikox.getenjoyment.net/who_manufactures_ducane_furnaces.pdfIn PDF document text
- http://helpcopyright-service.com/zadugewomudon1o.pdfIn PDF document text
- http://vulezojemitowo.22web.org/rukapofizelosa.pdfIn PDF document text
- http://pravagims.net/xanejogokesifet1v9wf.pdfIn PDF document text
- http://onatural.space/77327575673bag98.pdfIn PDF document text
- http://optamorem.com/adding_rational_expressions_worksheet_docp67bv.pdfIn PDF document text
- http://arendagg.xyz/nikon_coolpix_l310_specsl0zmo.pdfIn PDF document text
- http://medefoduma.iblogger.org/en_nombre_de_la_rosa_pelicula_completa_online.pdfIn PDF document text
- http://xovuwowim.mypressonline.com/what_is_the_half_life_of_iodine_131.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://uploads.strikinglycdn.com/files/d4168865-f0b4-4028-b31d-d9b294699e67/cute_heart_drawings_for_him.pdfIn PDF document text
- http://tevedelowudori.epizy.com/elena_and_damon_episode_guide.pdfIn PDF document text
- https://s3.amazonaws.com/limepusotanal/free_powerpoint_template_for_economics.pdfIn PDF document text
- https://11ab4cf5-156d-4417-99e9-5039b2a7eb5f.filesusr.com/ugd/82d61e_f035e2a6d9a44063b910ab3e58a53c8f.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/liwafo/angular_create_templateref_from_string.pdfIn PDF document text
- http://joxumokuri.epizy.com/2016_movies_tamil_songs.pdfIn PDF document text
- https://s3.amazonaws.com/nuxomigo/apk_tahu_bulat_mod_apptoko.pdfIn PDF document text
- https://e8dc5420-792a-4861-90db-09cfc8d8a7d1.filesusr.com/ugd/1378f5_630b2c6c23764669abc025def52d1919.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/d65034d7-0f79-46ba-9232-44fc7327b46c/what_is_the_density_of_the_unknown_liquid.pdfIn PDF document text
- https://s3.amazonaws.com/sitok/busodajitot.pdfIn PDF document text
- http://zejusamipokera.myartsonline.com/kemper_amp_manuale_italiano.pdfIn PDF document text
- https://0296ecfc-28ae-4fa5-925c-67a25994cace.filesusr.com/ugd/c88839_ef8e8165bd0d49a0aa0e63672c8748fb.pdf?index=trueIn 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://scripts.sil.org/OFLIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0001915d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1915D | 4632 bytes |
SHA-256: a404e8102737c5ada282e9e96ba50ba91304a3b62d4266eca08c2d39c814d660 |
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font_01_sfnt_off0001a114.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1A114 | 13512 bytes |
SHA-256: f2e469b1442f9f9e3bb6f57f76d0fe8d0625c049ba0f1b4bde02e5cd3a160fa8 |
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font_02_sfnt_off0001cba2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1CBA2 | 16104 bytes |
SHA-256: 2f1fe4602ca6c25d8f88fac4412a1447e7104f1cd2bf65166df052dbd1f77eb6 |
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font_03_sfnt_off0001e072.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1E072 | 4324 bytes |
SHA-256: a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f |
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