Malicious PDF — malware analysis report

Static analysis result for SHA-256 75185470591585ed…

MALICIOUS

PDF

69.6 KB Created: 2021-03-06 07:21:37 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-04
MD5: 8b4ce17cbddb9cc55caff4fd0243568a SHA-1: cde4689c6cc156ae0060a252f38748edb6e527a5 SHA-256: 75185470591585ed4de2262ccad23e16019067f01db486defd67e75cc54fd233
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small 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.
  • External URI info PDF_URI
    PDF contains an external URL action
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The 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.
  • Embedded URL info EMBEDDED_URL
    One 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://dugedepap.ru/award?keyword=synology+ds1515%252B+manual PDF link annotation
    • https://cdn.sqhk.co/borefigux/hgahbja/coin_drop_washing_machine_hack.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4453885/normal_6001ddcc1c367.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4461484/normal_6016531f6bc6e.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4445726/normal_5fcb90650d66d.pdfIn PDF document text
    • https://cdn.sqhk.co/matikefateri/gu5Aujc/watokewi.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4384644/normal_5fe8f134d145d.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4418584/normal_5fd097bdae16a.pdfIn PDF document text
    • https://cdn.sqhk.co/tifatuju/eajbFj7/influence_meaning_in_english.pdfIn PDF document text
    • https://cdn.sqhk.co/ravawiku/gegig68/jotidejiwirewidige.pdfIn PDF document text
    • http://xikisavi.scienceontheweb.net/xakaduvame.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4365563/normal_5fc795c7a427c.pdfIn PDF document text
    • https://cdn.sqhk.co/tuwesedujila/fKZZDgd/16801757028.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4379491/normal_600f36d2c9cd8.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://bopiguxa.atwebpages.com/what_degrees_can_you_get_at_the_air_force_academy.pdfIn PDF document text
    • https://6ddb26ad-aa8e-4a3e-a925-5cef6fc035e1.filesusr.com/ugd/d3d820_5ebcf470c20045c2b10c8632158d0913.pdf?index=trueIn PDF document text
    • https://uploads.strikinglycdn.com/files/dca23abf-9adf-4503-91a1-055992d7e44c/the_neverending_story_3_dvd.pdfIn PDF document text
    • http://sidepojedava.myartsonline.com/what_are_the_four_social_media_zones.pdfIn PDF document text
    • https://493f174a-a540-412c-bacb-e5b7b26cbfcf.filesusr.com/ugd/95bb70_fc7ae05b32e34a97addb466f5cbdfb68.pdf?index=trueIn PDF document text
    • https://uploads.strikinglycdn.com/files/a652d210-57af-4b96-b4bf-dce8a912d703/the_hidden_messages_in_water_movie.pdfIn PDF document text
    • https://5f8b0e40-2141-4341-98ab-6145db4b8156.filesusr.com/ugd/2072cd_c7dafc98fec24d0b90e5b4e9e30b1f3e.pdf?index=trueIn PDF document text
    • https://d5bea983-5bca-41ba-aae6-6b688785cc77.filesusr.com/ugd/9ec29b_a6789d8830a44c3b801a6e1bade65cac.pdf?index=trueIn PDF document text
    • https://77da94c0-0f0a-445b-87af-e489a0b5ef66.filesusr.com/ugd/db1da1_8c64374b995d44728a0b0f3788ed9404.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

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d332.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD332 5428 bytes
SHA-256: db6f7ec10af44c6ee679bafe8eb28ce1f6a1c0d41fdc5f8cbf101eebee63a890
font_01_sfnt_off0000e5a5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE5A5 10564 bytes
SHA-256: e54e2b8a4cec07e85be0a42d9885f606187686d9a30da55b2f1cc267c0d0df53

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