MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'dafemum.ru'. The ML classifier also strongly indicated maliciousness. While no scripts were extracted, the presence of a malicious URL suggests an attempt to lure the user to a compromised site, likely for phishing or to download a secondary payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
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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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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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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://dafemum.ru/123?utm_term=freedom+fighters+cheats In PDF document text
- https://cdn-cms.f-static.net/uploads/4426690/normal_5fdc622fab2c0.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4457849/normal_5ff762b53bf58.pdfIn PDF document text
- http://megesodore.iblogger.org/ca_full_form_in_science.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/f3acf005-0790-42d2-9d7e-97c1f0d5b8b9/574083937.pdfIn PDF document text
- http://rawuwad.epizy.com/lewis_structure_worksheet_3_bf3.pdfIn PDF document text
- http://mosararivifu.rf.gd/alabama_state_income_tax_form_40nr.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/357306e4-a967-4c5e-8cf7-f808595a7bd7/lavuvasezipiniw.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/881e67de-7bd6-4f5c-9d19-f43a0ec4cc0f/where_to_get_covid_test_in_newcastle.pdfIn PDF document text
- http://vosowetawevu.epizy.com/pezopozemajebanugozarez.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6b1b576e-38ce-4d0a-8c81-56f7d934347b/dolivesupitisoliderisi.pdfIn PDF document text
- https://s3.amazonaws.com/nowonovege/instrumen_naruto_grief_and_sorrow.pdfIn PDF document text
- http://zudosikewemer.epizy.com/why_is_ethics_important_in_the_teaching_profession.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5c300ae4-ac4f-4159-af0e-36757eb877e0/huckleberry_finn_quotes_chapter_1-8.pdfIn PDF document text
- http://gedifigo.epizy.com/frosty_the_snowman_free_movie_youtube.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c49b8790-e38c-4e07-84bb-d0941ebba1c9/malibu_landscape_lighting_led_replacement_bulbs.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/72a93671-ca05-4c8b-a293-fd44129e8faa/but_how_do_it_know_book_review.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c7a1fdac-cf42-44d0-9006-665ca7acce00/36911643963.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9dc967f0-f7c8-4214-816a-4ba5d878794b/how_to_install_windows_step_by_step.pdfIn PDF document text
- http://tawuzosidekelos.epizy.com/suniviragiletesu.pdfIn PDF document text
- https://s3.amazonaws.com/supefujoxopubu/benuxukozapizikaxiz.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/779075e7-db3d-42a0-8fca-73caf1b40dc0/lalawef.pdfIn PDF document text
- http://bogurivesinoni.rf.gd/google_chromebook_os_free.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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f14b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF14B | 5040 bytes |
SHA-256: f270390b56d1eef3b860dac2faa5ec353e10cd25db117063cf79627111f334e2 |
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font_01_sfnt_off00010270.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10270 | 10840 bytes |
SHA-256: 90ae06d2271637a77f2052f357a0e5fcc452fbb6a66977f86dd7fcae9c7ca8bb |
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font_02_sfnt_off00012792.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12792 | 4324 bytes |
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34 |
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