Malicious PDF — malware analysis report

Static analysis result for SHA-256 e68a669e1583fd5e…

MALICIOUS

PDF

69.1 KB Created: 2021-03-05 10:00:06 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: 183cbcbb9672a8756ed8dd881381bfb0 SHA-1: ebacdb6611837db3abe34e8968c3dc0103ad9aec SHA-256: e68a669e1583fd5e8310eaecb030c85c5c9032577c48b8737c19023c0f3606e6
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://xajibur.ru/123?utm_term=how+to+program+jumbo+universal+remote PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4408464/normal_601a5e7020dd1.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4450240/normal_601735c7463dd.pdfIn PDF document text
    • http://apparently-home.com/what_is_due_date_meansc4t0t.pdfIn PDF document text
    • http://faceskinagainbeauty.xyz/nazm_hikmetin_szleri_ksa99cmc.pdfIn PDF document text
    • http://storedubai.shop/1728125720b84co.pdfIn PDF document text
    • http://savinijemaxor.iblogger.org/64463398196.pdfIn PDF document text
    • http://itclick.pro/pandigital_tablet_r80b400m6gfs.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://dimizisunope.epizy.com/1316816603.pdfIn PDF document text
    • https://s3.amazonaws.com/woxewiwupir/zabodakodufawijanej.pdfIn PDF document text
    • http://jefokid.rf.gd/how_to_find_the_half_life_of_iodine_131.pdfIn PDF document text
    • http://lufeneweb.epizy.com/mowowisuwumases.pdfIn PDF document text
    • http://lozadubevapoke.epizy.com/duxobamamezabetatejuxixi.pdfIn PDF document text
    • https://s3.amazonaws.com/baxegezivumi/walogatomixitusa.pdfIn PDF document text
    • https://s3.amazonaws.com/mubemutolewe/amazon_kindle_reader_for_windows.pdfIn PDF document text
    • http://pugijomo.epizy.com/gemuzetukirofos.pdfIn PDF document text
    • https://s3.amazonaws.com/ruzumeb/funniest_yahoo_answers_reddit.pdfIn PDF document text
    • http://gumelojapa.epizy.com/how_to_add_hp_deskjet_3050_to_wireless_network.pdfIn PDF document text
    • http://bozetuv.rf.gd/welakuzojemulorexuxi.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_off0000d18b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD18B 5468 bytes
SHA-256: f6f5ee49283e9a0dd4c3259cb6a483d1a41bc5f3d6df0127a110a8c47a2e8824
font_01_sfnt_off0000e426.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE426 10428 bytes
SHA-256: 50120b63edb5b5858c2a62974a0547a6343378769fd83a245d79615c531cda35