Malicious PDF — malware analysis report

Static analysis result for SHA-256 2a819eaf61d5b3bd…

MALICIOUS

PDF

61.8 KB Created: 2021-02-17 03:09:59 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-04
MD5: 1cd6f1c9188d483ca9fc05957905f313 SHA-1: 0bba924e2c1c3788b1dbc85302f72519520370d7 SHA-256: 2a819eaf61d5b3bd88697f59e8acd840414db1efab9dbe72577ebd71fafa13bb
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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://jottigo.ru/aws?utm_term=motorola+sb6121+power+supply PDF link annotation
    • https://mupililoxer.weebly.com/uploads/1/3/5/3/135302313/disimir_masosufigifupun.pdfIn PDF document text
    • https://cdn.sqhk.co/pixorikibam/haqiaKT/47261723217.pdfIn PDF document text
    • http://debegezuvume.iblogger.org/tuvanedapaxuzowajura.pdfIn PDF document text
    • https://cdn.sqhk.co/fuluzezufe/hjAI2rr/wazikimamexo.pdfIn PDF document text
    • http://requiredjokblog.com/anarchy_online_agent_guide_2018a4g1k.pdfIn PDF document text
    • http://brosbass.com/bade_miyan_chote_miyan_remix_song8vigw.pdfIn PDF document text
    • https://cdn.sqhk.co/woteruzid/hjenjfR/hatchimals_colleggtibles_season_2_egg_carton.pdfIn PDF document text
    • http://flylovel.com/clumsy_ninja_story_endingxi4mh.pdfIn PDF document text
    • http://nupubidodeje.22web.org/fairy_tail_dragon_slayer_apk_hack.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://xarozitapakegur.epizy.com/30382070523.pdfIn PDF document text
    • https://s3.amazonaws.com/zidenigad/kung_fu_panda_4_release_date_confirmed.pdfIn PDF document text
    • http://guligakifiw.epizy.com/nefatovurasidol.pdfIn PDF document text
    • https://s3.amazonaws.com/bajuse/auralex_subdude-_ii_subwoofer_isolation_platform.pdfIn PDF document text
    • http://rajunuximu.epizy.com/export_file_cdr_to.pdfIn PDF document text
    • http://xuperag.epizy.com/gamovibil.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_off0000b4ef.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB4EF 5488 bytes
SHA-256: 0c48f4c28d0d2fce16cc59dd890dfc968cc4af5f08aab07c5930e0b2ef39d559
font_01_sfnt_off0000c7cc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC7CC 10124 bytes
SHA-256: ef95f142c52950d75dfa05c3f3d2be2facaf4e34bbc803036e2554880b0faa4b