Malicious PDF — malware analysis report

Static analysis result for SHA-256 07af2038e0501d7d…

MALICIOUS

PDF

71.9 KB Created: 2021-03-20 13:57:35 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-20
MD5: 09b68b00c0af157f5df9a1d14a467d3f SHA-1: 2590818fb07778771a8242f62681c66216a390bb SHA-256: 07af2038e0501d7d23eaa9d495c656be43454cc74b18a7c827f8ebcafe2a6633
96 Risk Score

Malware Insights

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

The file is identified as malicious by ML classifiers and ClamAV, with a high risk score. It contains an embedded external URI pointing to a suspicious domain, likely intended to redirect the user to a malicious site. The document body, though partially corrupted, suggests a lure related to 'Dunkin donuts nutrition' to mask the malicious intent. No scripts were extracted, but the presence of external URLs and the nature of the detection suggest a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9995

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://pelibifir.ru/strik?utm_term=dunkin+donuts+ham+egg+and+cheese+croissant+nutrition PDF link annotation
    • http://leqqurint.online/87299671264cerpv.pdfIn PDF document text
    • http://rozujed.sportsontheweb.net/discipline_equals_freedom_book_depository.pdfIn PDF document text
    • http://jusukigib.sportsontheweb.net/96958498067.pdfIn PDF document text
    • http://rivilidopu.medianewsonline.com/how_does_amazon_echo_auto_work.pdfIn PDF document text
    • http://g2am2e.xyz/96326988846oj4xy.pdfIn PDF document text
    • http://redtea.space/faxokelerunanebogikzx98.pdfIn PDF document text
    • http://sethel.xyz/41756319501xyo73.pdfIn PDF document text
    • http://beremoter.online/stephen_king_it_sky_movies_rankedynij4.pdfIn PDF document text
    • http://italysummer.fun/al_anon_step_study_guidelcs5d.pdfIn PDF document text
    • http://lazadacostumercenter.com/english_grammar_learn_practice_tests_level_b1_2019srhhz.pdfIn PDF document text
    • http://yesitalia.fun/tixifubozojefonx6fzh.pdfIn PDF document text
    • http://limecash.xyz/flame_hero_apk_android_oyun_clubiybg9.pdfIn PDF document text
    • http://stroy-level.ru/south_movie_2018_new_sabwap7x03t.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
    • https://s3.amazonaws.com/bikikanafopavu/95458798879.pdfIn PDF document text
    • https://s3.amazonaws.com/tubukeganuji/berabe.pdfIn PDF document text
    • https://s3.amazonaws.com/vebisop/chak_de_india_full_song_pagalworld.pdfIn PDF document text
    • https://s3.amazonaws.com/vawoginele/bunamumidoleluvivel.pdfIn PDF document text
    • https://s3.amazonaws.com/farowug/ditiwasufaxenetojimus.pdfIn PDF document text
    • https://s3.amazonaws.com/midaguvimabof/aaradhike_song_whatsapp_status.pdfIn PDF document text
    • https://s3.amazonaws.com/gebukil/byzantine_guide_civ_5.pdfIn PDF document text
    • https://s3.amazonaws.com/vikukinumet/arsenic_in_foods_consumer_reports.pdfIn PDF document text
    • https://s3.amazonaws.com/lumixi/medieval_2_total_war_stainless_steel_download_6.3.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_off0000cd92.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCD92 5268 bytes
SHA-256: 6f8dfc66e88435d099199b3b99eb9f3023e6041a980336b6dde81aaa88ed1552
font_01_sfnt_off0000df50.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDF50 10680 bytes
SHA-256: c95396fc6404ca585a37e97d64e625cfded1cbf8143809f22279f935d1ffe36d
font_02_sfnt_off000103e7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x103E7 4324 bytes
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378

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