Malicious PDF — malware analysis report

Static analysis result for SHA-256 695c403327771f7a…

MALICIOUS

PDF

73.6 KB Created: 2021-03-08 07:49:13 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-22
MD5: 8e9202d14a1ccf07dd79c0c4fe04b5b3 SHA-1: ceb01a2d8b66e048b0687216401b9cbd9366592e SHA-256: 695c403327771f7a3323cfdc33a2d97aa79cce35b9f127ff7b404356ebe96346
96 Risk Score

Malware Insights

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

The PDF file contains an embedded URI that points to a suspicious domain, likely intended to trick the user into visiting a phishing or malware distribution site. The ML classifier and ClamAV detection strongly indicate malicious intent. The document body, though heavily obfuscated, appears to be a lure related to a movie title to encourage clicks on the embedded URL.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9956

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://golowaki.ru/award?keyword=guildenstern+and+rosencrantz+are+dead+movie PDF link annotation
    • http://zabogena.iblogger.org/suwanujubuzimupufitelipoj.pdfIn PDF document text
    • http://dasopifumos.iblogger.org/calculating_volume_and_density_worksheets.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/bufexa/block_strike_mod_apk.pdfIn PDF document text
    • https://s3.amazonaws.com/kukupunopedon/profit_and_loss_sheet_for_rental_property.pdfIn PDF document text
    • http://vulitogegitutop.rf.gd/bhutanese_song_2018.pdfIn PDF document text
    • http://wimidisa.epizy.com/xetevimaw.pdfIn PDF document text
    • http://dogibuboka.rf.gd/merefagopo.pdfIn PDF document text
    • http://xakarejosav.epizy.com/how_do_you_check_your_voicemail.pdfIn PDF document text
    • https://s3.amazonaws.com/xipavir/zifixopafawavugab.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e7bc0e63-075b-48fe-a698-9c2f32b3e885/44556082756.pdfIn PDF document text
    • https://s3.amazonaws.com/fewunadupop/6th_grade_math_algebra_problems_with_answers.pdfIn PDF document text
    • http://lafibuwed.rf.gd/57575966737.pdfIn PDF document text
    • http://vikipabolukizi.rf.gd/agni_devi_tamil_movie_in_isaimini.pdfIn PDF document text
    • https://s3.amazonaws.com/ropidadegaxut/english_dictionary_oxford.pdfIn PDF document text
    • http://kobitosen.epizy.com/fonumujoderisibu.pdfIn PDF document text
    • http://janofegiwene.epizy.com/aluminium_sheet_sizes.pdfIn PDF document text
    • https://s3.amazonaws.com/jajoxulabojaso/teneligliptin_and_metformin_hydrochloride_uses.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/6001af67-9f98-41c6-ba6b-4535e94d1f99/5_dysfunctions_of_a_team_book.pdfIn PDF document text
    • https://s3.amazonaws.com/fejififimaketo/46999395797.pdfIn PDF document text
    • http://pekijokedod.rf.gd/what_is_average_household_income_in_russia.pdfIn PDF document text
    • http://samanoniminowut.epizy.com/32461650443.pdfIn PDF document text
    • http://sidakofonol.epizy.com/is_there_a_super_mario_sunshine_2.pdfIn PDF document text
    • https://s3.amazonaws.com/dovulavavo/activesheet._range_autofilter_variable.pdfIn PDF document text
    • https://s3.amazonaws.com/zupenafud/13889694771.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/64f885de-137b-4495-b98b-7dd313cc8c0a/kokig.pdfIn PDF document text
    • http://xisebugiraji.epizy.com/who_is_executive_director_of_world_bank.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_off0000e47f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE47F 5224 bytes
SHA-256: 8fd20e10e0de85bac2d6fbb74a48fcbde220e7d47663d85ae6f6eb64d36d142e
font_01_sfnt_off0000f641.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF641 9992 bytes
SHA-256: 359c8dc20cc759b447e53c1876bb7a870dac44c417f274cf4e2cb6d4ab02974e

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