Malicious PDF — malware analysis report

Static analysis result for SHA-256 46617ca8dc478cd1…

MALICIOUS

PDF

87.7 KB Created: 2021-04-02 02:03:22 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 236cde30cdbe90cd14a338f3539e1bce SHA-1: 83ea8f63641748e92d01f95c9ec0e32af4c1f2fb SHA-256: 46617ca8dc478cd1001a83d20daeca4261f529c235150a90225e9bc19d7e52dd
96 Risk Score

Malware Insights

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

This PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains an embedded URL that mimics a search result, likely intended to trick users into visiting a malicious site. No scripts were extracted, but the presence of external URIs and the overall detection profile strongly suggest a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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://botokaw.ru/strik?utm_term=what+is+machine+learning+in+layman+terms
    • https://cdn.sqhk.co/kitujesijak/gKijjdL/true_football_national_manager_2020.pdf
    • https://cdn-cms.f-static.net/uploads/4376600/normal_6012ded02d3bf.pdf
    • http://ins.expert/printable_jack_and_the_beanstalk_story_with_picturesgzbqg.pdf
    • http://potolkilife.ru/castle_clash_gems_generator_no_surveyguaam.pdf
    • https://static.s123-cdn-static.com/uploads/4421042/normal_5feb7bd7b54d6.pdf
    • https://cdn.sqhk.co/fozuwasixeja/aahhyFC/pottery_designs_drawing.pdf
    • http://haustova.com/mv_master_video_status_maker_app_download_apk32pz5.pdf
    • https://cdn.sqhk.co/fapetemiji/fgd1iev/boston_fruit_slices_passover.pdf
    • https://cdn.sqhk.co/dibitarebizu/TdibWii/23994709142.pdf
    • https://cdn.sqhk.co/dapumexader/cgjiccz/tuning_forks_for_healing_reviews.pdf
    • http://goodshopsales.xyz/how_to_write_a_diversity_statement_for_medical_schoolyp1cg.pdf
    • http://complect-tech.ru/star_wars_rpg_adventure_hooksttnhz.pdf
    • https://cdn.sqhk.co/tipekafomube/FhfOjg6/mupiwus.pdf
    • http://help-feedback-amzn8.xyz/131531893515bys0.pdf
    • https://cdn.sqhk.co/zixifazod/ciaggg4/mamajuruxepix.pdf
    • http://barberking.best/pumuxapasoyi442.pdf
    • https://cdn.sqhk.co/puwipaneke/emQZiaY/missile_defense_system_israel.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://uploads.strikinglycdn.com/files/34564c9d-ae61-4f23-af85-ad7df26c2df3/what_episode_of_vampire_diaries_does_elena_and_damon_dance.pdf
    • https://uploads.strikinglycdn.com/files/15dd82d3-e1d1-4d72-b24e-6c02ea6fceea/general_science_physics_questions_and_answers_in_hindi.pdf
    • https://uploads.strikinglycdn.com/files/e1fac803-7486-4605-b694-47bb2cb3e05c/pavagudekisezuvoxexaso.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/
    • http://scripts.sil.org/OFL

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00010d91.bin
68d094faf81d2ea9f62e68ee4e789e40b6192f27e323b9e50c58fbaa8f881837		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10D91 2900 bytes
font_01_sfnt_off000117d4.bin
93dab0b297b84196c5c61d56340063b5008700c9c271090b6c7825e3c1203df5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x117D4 5328 bytes
font_02_sfnt_off000129da.bin
b3814f99d7f998703d3da2b91c0036a619ee8de612f1ff836fa2e6011a476a69		 pdf-font-stream PDF embedded font (sfnt) at offset 0x129DA 11484 bytes

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