Malicious PDF — malware analysis report

Static analysis result for SHA-256 e8e2a1981bcc222c…

MALICIOUS

PDF

66.3 KB Created: 2021-03-04 20:27:53 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: aaa653cfb21d764acdb0ee3c8369dbc1 SHA-1: c0c7ccf1b5a8bf6dfd6128eccaaaaa635ea9671a SHA-256: e8e2a1981bcc222ce885099c1edfdedd171be68437c7193116ed97a2d16884d3
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://fokemale.ru/wix?keyword=hoover+max+extract+all+terrain+manual PDF link annotation
    • https://cdn.sqhk.co/nezusoxe/avgh6jc/prison_break_season_3_cast_gretchen.pdfIn PDF document text
    • https://cdn.sqhk.co/sewadokoka/cic2Ygg/oceanhorn_2_review_ios.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4449616/normal_5fd3cdcd7e505.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4491688/normal_602615cb5bd27.pdfIn PDF document text
    • http://redpandarecycling.com/asamblea_nacional_constituyente_colombia61jsr.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4459034/normal_5fe3a4984b173.pdfIn PDF document text
    • http://formblckr1.xyz/the_hitmans_bodyguard_online_free1bihl.pdfIn PDF document text
    • http://smotrikino.fun/football_tactics_and_glory_guidek4toz.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4425514/normal_6040132c90b29.pdfIn PDF document text
    • http://raifaisentapp.online/lavender_blue_dilly_dilly_piano_sheeecjfq.pdfIn PDF document text
    • http://zisuroto.mygamesonline.org/free_download_driver_printer_hp_laserjet_p1006_for_windows_10.pdfIn PDF document text
    • http://natlab.ru/how_to_operate_primo_water_dispenser6bfps.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4482671/normal_601ad988cd2b9.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4372737/normal_603f1515e967d.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4500201/normal_60322afe19d85.pdfIn PDF document text
    • http://pasetbs.xyz/birthday_girl_short_story_summaryc8ri7.pdfIn PDF document text
    • http://sweetmeet.online/small_oreo_blast_sonic_priceexrjw.pdfIn PDF document text
    • http://bettermoneytips.com/organic_chemistry_vollhardt_7th_edition9ifwp.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://bolirazebaf.myartsonline.com/45391258465.pdfIn PDF document text
    • http://zejibanunepi.myartsonline.com/what_size_battery_for_2008_dodge_avenger.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_off0000c68d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC68D 4856 bytes
SHA-256: 0f44e6070963d43d07eed5fec88e4bd687aafd870bc2fe1e446d0c86c2acfea6
font_01_sfnt_off0000d6f9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD6F9 10428 bytes
SHA-256: 95bf52179b8f12b24852e3c208acd97374cef6f1cc40d52ba327b5bc4aa466c9

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