Malicious PDF — malware analysis report

Static analysis result for SHA-256 b1e0c08000b1aac1…

MALICIOUS

PDF

80.5 KB Created: 2021-03-23 01:23:36 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-06-13
MD5: 1669366885be01c0e725d4f62a88233f SHA-1: e47f1831468f6526573cc34e5037b47ed2378ea4 SHA-256: b1e0c08000b1aac10d9e7b1e4c25eb6d85df90169b41dda7d3eab90a8cbb29f0
96 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF document contains embedded URLs, with one prominent URL pointing to a suspicious domain. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware distribution. Although no scripts were explicitly extracted, the presence of external URIs and the overall detection profile suggest the document is designed to redirect users to malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9993

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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://bologen.ru/strik?utm_term=higher+status+the+new+science+of+success+and+achievement PDF link annotation
    • http://wawesoja.sportsontheweb.net/rewrite_exercises_intermediate.pdfIn PDF document text
    • http://xoxuvajes.mywebcommunity.org/nixon_watches_near_me.pdfIn PDF document text
    • http://gufutaca6.xyz/jatajuxeso4oj6.pdfIn PDF document text
    • http://goodshopsales.xyz/ccrt_senior_fellowship_form_2017klhcf.pdfIn PDF document text
    • http://hookup154.site/vlookup_importrange_google_sheetsjkkhp.pdfIn PDF document text
    • http://lnstagramverifiedbadge-form.com/175226186891jnfe.pdfIn PDF document text
    • http://vedivux.mygamesonline.org/lyrical_ballads.pdfIn PDF document text
    • http://zapapoberok.iblogger.org/nonujinida.pdfIn PDF document text
    • http://lulilafemavivog.mygamesonline.org/adding_and_subtracting_rational_expressions_notes.pdfIn PDF document text
    • http://creamspait.xyz/jogurz0w4m.pdfIn PDF document text
    • http://rodisawikikofu.medianewsonline.com/triveni_turbines_campus_placement_papers.pdfIn PDF document text
    • http://womenita.fun/chunar_video_song_pagalworldk151o.pdfIn PDF document text
    • http://reactivaperu-viabcpi.com/breitling_aerospace_e75362_reviewz1sz2.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/47bf1c1e-727f-4189-be40-629a111ebdca/indianapolis_breaking_news_twitter.pdfIn PDF document text
    • https://s3.amazonaws.com/zarusegibitumet/nozam.pdfIn PDF document text
    • https://s3.amazonaws.com/juzowilipi/95501026191.pdfIn PDF document text
    • https://s3.amazonaws.com/rodakarugupoko/chalta_chalta_kannada_video_song.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/50015c2d-a2fe-4f2d-ae67-a2b4d24c448d/xerutumopasekuluridevexo.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d284db9a-f432-4727-8412-1e95709a6cdc/asus_p8z77_v_lx.pdfIn PDF document text
    • https://s3.amazonaws.com/bagisi/kaxefokifon.pdfIn PDF document text
    • http://kajoxuf.epizy.com/51284188829.pdfIn PDF document text
    • https://s3.amazonaws.com/dojivewobasuval/low_oxalate_diet_meal_plan_filetype.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d301b4ea-8b59-4262-8726-e1a720fc8bfb/redagizifusabeguwire.pdfIn PDF document text
    • http://vazegazu.epizy.com/alelos_multiples_genetica.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_off0000fba2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFBA2 5516 bytes
SHA-256: a26f631d7d496b2b367e7ade16931decaba86249511d48102b3f8e228993bfdf
font_01_sfnt_off00010e52.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10E52 10504 bytes
SHA-256: 235e5b84a0523a0005f20fad9580b458a32d069278a32a970a4a701f1015d9fa

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