Malicious PDF — malware analysis report

Static analysis result for SHA-256 d3090dbfe52202c5…

MALICIOUS

PDF

71.2 KB Created: 2021-03-07 06:14:03 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-10
MD5: d51dc98b90b08989821b584f163e4da5 SHA-1: 1178468b070b066bef86f7ade5664ddf30a7d7c4 SHA-256: d3090dbfe52202c5173777715de7d3500ad9fdd3b48158dc4f3533a93fd48197
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9995

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://soxebez.ru/wix?keyword=five+nights+at+wario%2527s+3+bathroom PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4386829/normal_5fdbbac743057.pdfIn PDF document text
    • https://cdn.sqhk.co/subesanodag/Vfhj32j/passion_for_savings_login.pdfIn PDF document text
    • http://gufurebu.medianewsonline.com/bosch_silence_plus_44_dba_error_24.pdfIn PDF document text
    • https://cdn.sqhk.co/baruduwege/EHFMjhE/32226669465.pdfIn PDF document text
    • https://cdn.sqhk.co/togokitaz/ijkhbij/drum_set_up.pdfIn PDF document text
    • http://puveputado.sportsontheweb.net/bq-cc_17_sba3.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4368227/normal_6032d552a1c1a.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4418777/normal_603c821df0de2.pdfIn PDF document text
    • http://fovoxarofej.getenjoyment.net/wine_enthusiast_18-bottle_dual-zone_wine_refrigerator.pdfIn PDF document text
    • https://cdn.sqhk.co/xifinelire/ggNgd6C/72521652259.pdfIn PDF document text
    • https://cdn.sqhk.co/zidenesek/1ihggb8/xukigonupisa.pdfIn PDF document text
    • https://cdn.sqhk.co/jotapepikota/dii4Lja/13945431021.pdfIn PDF document text
    • http://xugaguf.mypressonline.com/wimazorafibal.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4412902/normal_5fe8ff7a56e2c.pdfIn PDF document text
    • https://cdn.sqhk.co/gixedomawa/jNidhdg/ranusu.pdfIn PDF document text
    • https://cdn.sqhk.co/tefazaturar/hjyheIk/29894804730.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/8f55043c-73d0-4fb9-9500-cadd3df99815/what_is_the_culture_of_ancient_greece.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/27573235-5e86-4aa3-8d7d-02e305426ded/sarah_plain_and_tall_skylark_full_movie_online_free.pdfIn PDF document text
    • http://vakogez.myartsonline.com/73001595917.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c3e13fb3-0b97-408e-9680-eea14eb5cbd0/lutazote.pdfIn PDF document text
    • http://gurabagoderes.atwebpages.com/world_political_map_with_oceans_and_continents.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/965d564e-1e1c-4916-bbc4-049698c5d819/55087643667.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000daa3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDAA3 5512 bytes
SHA-256: 7f5902e098f9a41c6fbb2a11328da0d01b3279e8980695599ba7f8a3fa97e46f
font_01_sfnt_off0000ed5b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xED5B 9832 bytes
SHA-256: d5a01ddc3f41c7fb0349c65f9ddf503aa3288bceaab1986bad47cfe59bb09fd1

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