Malicious PDF — malware analysis report

Static analysis result for SHA-256 57f80f65e496a8c0…

MALICIOUS

PDF

68.3 KB Created: 2021-02-17 03:38:08 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-15
MD5: 886fa1f3094f109367fec92bc2fccb99 SHA-1: 435eadf324e0bf47fed912f2cb277ac694d9e275 SHA-256: 57f80f65e496a8c092ea6abbe72af23eb1cae81b33c9400c2431c991b5f5b01e
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9993

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://druttle.ru/wix?keyword=1v1+lol+unblocked+games+77 PDF link annotation
    • https://vojoritus.weebly.com/uploads/1/3/1/1/131164067/vubetikipoze.pdfIn PDF document text
    • https://fuwefepitebu.weebly.com/uploads/1/3/4/7/134709748/3540333.pdfIn PDF document text
    • https://sejexogubason.weebly.com/uploads/1/3/1/0/131070030/rujiwamedux.pdfIn PDF document text
    • https://tamaxanafe.weebly.com/uploads/1/3/1/8/131856242/boviw_monutevimekud_ronubadigomivux.pdfIn PDF document text
    • https://dikajumexuw.weebly.com/uploads/1/3/4/3/134324924/96c8a3d0c80e9a.pdfIn PDF document text
    • http://itslm.fun/spades_royale_gamez71zy.pdfIn PDF document text
    • http://50offshop.info/vovowegurosejewidozowemalvmqnp.pdfIn PDF document text
    • https://cdn.sqhk.co/ranotigu/UWDLJTS/song_hopeless_wanderer.pdfIn PDF document text
    • http://tegor.xyz/pizepowjkgpw.pdfIn PDF document text
    • http://lizakoku.22web.org/bajumopijojamakitidobita.pdfIn PDF document text
    • http://navalny.design/batman_arkham_knight_all_skins7wcoe.pdfIn PDF document text
    • http://drnextact.xyz/what_is_material_in_science_termscyk6e.pdfIn PDF document text
    • http://ryursew.space/acupuncture_points_chart_freeboxr0.pdfIn PDF document text
    • https://cdn.sqhk.co/viforoge/jaTijBX/tokeluworepinogamomo.pdfIn PDF document text
    • http://virona.org/sijiregix9suo.pdfIn PDF document text
    • https://cdn.sqhk.co/lovuzegonu/5GNgB3n/pokemon_quest_pc_hack.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://kavimefejemud.rf.gd/vaastav_movie_songs_free.pdfIn PDF document text
    • http://zufagubiles.epizy.com/supergirl_season_4_episode_guide_wiki.pdfIn PDF document text
    • http://memenusaduso.rf.gd/kruger_park_guided_game_drives.pdfIn PDF document text
    • http://tipewonapifaguf.epizy.com/bimubuxegitofaxadakixebo.pdfIn PDF document text
    • https://s3.amazonaws.com/vebisop/38090338141.pdfIn PDF document text
    • https://s3.amazonaws.com/tujeviwakirawu/game_studio_tycoon_3_apk_full_version.pdfIn PDF document text
    • https://s3.amazonaws.com/nefomojuwet/android_floating_action_button_example.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_off0000ce3e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCE3E 5464 bytes
SHA-256: ea42abfe2a1c5019a151f43b3bd80efd6089facda95c12fd18b0d2290815f8d7
font_01_sfnt_off0000e0d4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE0D4 10304 bytes
SHA-256: 6e768850a8a5a9c96583aa8dfb0069788c458b3538b98cef2e1e901d72f6f420

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