Malicious PDF — malware analysis report

Static analysis result for SHA-256 e59a0fbfa85743d8…

MALICIOUS

PDF

70.2 KB Created: 2021-02-25 23:59:32 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-10
MD5: 44695e99ead233f6aa852a09a58b715a SHA-1: 9e01001b04e9cf45b67ffb22a2b3e840e6d1a0a4 SHA-256: e59a0fbfa85743d8085e9df951d38c8796729a5cc4a33c21c79b68af3d5dc7eb
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9992

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://bologen.ru/award?keyword=spanish+1+family+tree+worksheet PDF link annotation
    • http://bonusiotsbera.online/my_t_mobile_website_not_workingobc9x.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4426699/normal_5fc95e8aa0da2.pdfIn PDF document text
    • https://cdn.sqhk.co/kubafipefo/iiibhQf/lebara_mobile_recharge_online.pdfIn PDF document text
    • http://cg-designer.xyz/learn_how_to_speak_mandaloriant4ihm.pdfIn PDF document text
    • http://gesizuwumog.iblogger.org/11045039634.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4393889/normal_5fdb3b56994b4.pdfIn PDF document text
    • https://cdn.sqhk.co/bomumuxa/ijbUmDE/guvanufijewo.pdfIn PDF document text
    • https://cdn.sqhk.co/wogokodu/b7wjihg/houseparty_sign_in.pdfIn PDF document text
    • https://cdn.sqhk.co/vipujitebiki/3MDyic4/rodilujakasu.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4393044/normal_6036a4222a7ac.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4476757/normal_5fe54f5d0a44a.pdfIn PDF document text
    • http://freshnatur.fun/how_many_calories_in_dunkin_donuts_frozen_matcha_lattew3u5s.pdfIn PDF document text
    • http://samozanyat.info/348686404472njl3.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/puretulenuza/enterprise_architecture_diagram_visio_template.pdfIn PDF document text
    • http://laxuzakefojo.epizy.com/aladin_2009_full_movie_1080p.pdfIn PDF document text
    • http://mukoluduxoge.rf.gd/html5_buttons_template.pdfIn PDF document text
    • http://nowavef.epizy.com/49159187430.pdfIn PDF document text
    • https://s3.amazonaws.com/benubapopikaj/osaka_travel_map.pdfIn PDF document text
    • http://gexokole.rf.gd/jegigufaparawafon.pdfIn PDF document text
    • https://s3.amazonaws.com/viromibukoleliw/archon_android_emulator_linux.pdfIn PDF document text
    • http://rovuwuruw.epizy.com/51527274315.pdfIn PDF document text
    • https://s3.amazonaws.com/mojivikapeti/52076043889.pdfIn PDF document text
    • http://kopuperoki.epizy.com/79782727284.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_off0000d5d2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD5D2 5556 bytes
SHA-256: 6e0fc1cbaeb91ba05c9e7d0ba90a052332d32ecf947416ed507b75b5873d8ef6
font_01_sfnt_off0000e8ac.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE8AC 10148 bytes
SHA-256: 97f5705226fc5999d2e0939a1b4a9d18916576fa6e1f68348a0c0a9975a42be3

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