Malicious PDF — malware analysis report

Static analysis result for SHA-256 26972b533ec8d2b6…

MALICIOUS

PDF

71.0 KB Created: 2021-03-06 10:11:14 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-04
MD5: 899d31c10d893082c54768d04f3eee31 SHA-1: 1ce4c10708da77ced30466f8ab3501a3e59ff8f2 SHA-256: 26972b533ec8d2b6fa33a626712008676205ac70d0cda8daa9e205cfc2d30dee
136 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9995

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
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • 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://maypoin.ru/wix?keyword=ballz+game+online+unblocked PDF link annotation
    • https://gekitudofu.weebly.com/uploads/1/3/4/4/134403565/5296315.pdfIn PDF document text
    • https://cdn.sqhk.co/sugutomipu/iajEBii/playstation_5_pre_order_restock_date.pdfIn PDF document text
    • http://zinuxuf.22web.org/external_style_sheet_in_html_css.pdfIn PDF document text
    • http://jonotijero.medianewsonline.com/volomopasivexopab.pdfIn PDF document text
    • https://duvafoxugijotad.weebly.com/uploads/1/3/5/3/135305538/d3111c71d23b.pdfIn PDF document text
    • https://cdn.sqhk.co/tosuwukiwate/iae9Pjg/85317063364.pdfIn PDF document text
    • http://sipataj.sportsontheweb.net/68457112339.pdfIn PDF document text
    • https://cdn.sqhk.co/matelasoguje/bA0j9gf/dibasic_sodium_phosphate_dihydrate_usp_monograph.pdfIn PDF document text
    • https://jizotigop.weebly.com/uploads/1/3/0/8/130874082/8567772.pdfIn PDF document text
    • http://nebemor.mywebcommunity.org/what_is_the_meaning_of_stanza_in_a_poem.pdfIn PDF document text
    • https://cdn.sqhk.co/winogolelog/hicJGje/ant_farm_season_2_episode_3_cast.pdfIn PDF document text
    • http://fupemagis.mywebcommunity.org/69436233667.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • http://lopumupukerodu.epizy.com/vegetable_spring_rolls_nutrition_information.pdfIn PDF document text
    • https://s3.amazonaws.com/dowavelaxam/kobawaputasegadefulotimek.pdfIn PDF document text
    • https://s3.amazonaws.com/wegemebufojafak/sahih_al_bukhari_in_roman_english.pdfIn PDF document text
    • http://pofiwun.rf.gd/gozexekerilunilake.pdfIn PDF document text
    • https://s3.amazonaws.com/livivuvuwugeb/bexudapako.pdfIn PDF document text
    • https://s3.amazonaws.com/dazuxujepov/digital_advent_calendar_template.pdfIn PDF document text
    • http://zuxokoberibaw.atwebpages.com/fofeloxajufenoxolimuzokuv.pdfIn PDF document text
    • http://soranodabiwegi.myartsonline.com/58018587055.pdfIn PDF document text
    • https://s3.amazonaws.com/tezofuretejom/felanapuz.pdfIn PDF document text
    • http://tudixuzaw.onlinewebshop.net/charisma_on_command_charlie_houpert.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000cdb3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCDB3 5088 bytes
SHA-256: ef8d428f93586b9ed16f5a23fb89ed25bb2b170667064a472e0565d2dcb37432
font_01_sfnt_off0000dee6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDEE6 9856 bytes
SHA-256: 95f567727ea6dd221b0cd27911b9e17f0250991f105d7a84e921ce0f0a764c84
font_02_sfnt_off0001009a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1009A 4324 bytes
SHA-256: 4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3

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