Malicious PDF — malware analysis report

Static analysis result for SHA-256 adea09792d5859cb…

MALICIOUS

PDF

70.4 KB Created: 2021-02-12 01:43:36 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-15
MD5: 05fd7c74af9c7a625eb9a711e663f818 SHA-1: cb8bcb6334aca071c7cad48889d132fb1c8fd9cf SHA-256: adea09792d5859cb65889f0bd09dcb713dcea08ec2196240a32a2dd47bca6e29
134 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 6

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://jottigo.ru/wix?keyword=national+auto+sales+cobb+pkwy PDF link annotation
    • https://cdn.sqhk.co/zonelatu/ighhi1M/diniluzugekited.pdfIn PDF document text
    • https://newekozowoni.weebly.com/uploads/1/3/0/7/130738578/a362517948b28.pdfIn PDF document text
    • https://cdn.sqhk.co/kewusikata/jigcMgf/jikikebelaradojolodi.pdfIn PDF document text
    • https://cdn.sqhk.co/dajebala/Jjemic7/new_areas_of_law_uk.pdfIn PDF document text
    • http://zakilifawurafed.22web.org/47128862216.pdfIn PDF document text
    • https://losanuritajog.weebly.com/uploads/1/3/4/7/134730792/1051783.pdfIn PDF document text
    • http://rerulekoba.66ghz.com/guided_hypnosis_for_sleep_and_healing.pdfIn PDF document text
    • https://cdn.sqhk.co/luwukamuku/JgiwgD7/let_s_talk_impala.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://ximitexus.epizy.com/kukokewokefewawubesaw.pdfIn PDF document text
    • http://femavumifixomud.rf.gd/32515321794.pdfIn PDF document text
    • http://vadibezodaxilez.rf.gd/14189618584.pdfIn PDF document text
    • http://fimageparoxa.rf.gd/gunaxukisoletowijolade.pdfIn PDF document text
    • http://fanififogijer.epizy.com/word_story_escape_alcatraz_apk.pdfIn PDF document text
    • http://jotowit.rf.gd/fezug.pdfIn PDF document text
    • http://molojagevatabu.rf.gd/11381095423.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_off0000d735.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD735 5196 bytes
SHA-256: aef75dff19d5fd5e6f9d866f4ea8c6bcf0a1b57118cf90a483dc87bd6a952f88
font_01_sfnt_off0000e916.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE916 10428 bytes
SHA-256: cf42a19783c8a32bb9dd4aff437a59ad4b5bbf8f76f4f070dadda7ab8ae9935d