Malicious PDF — malware analysis report

Static analysis result for SHA-256 0725175984e3dcc2…

MALICIOUS

PDF

91.1 KB Created: 2021-03-14 21:56:05 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: dac56303d2f70c346ce37776a9d7e2b3 SHA-1: dc24e9ea13d37817d0fd8f7ce5a19dde9ce45cfc SHA-256: 0725175984e3dcc203a76f012d800bf01d49c2b77bcb624a5e792eaf74518d77
96 Risk Score

Malware Insights

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

The PDF document contains an embedded URL that directs users to a website disguised as an 'Idle Heroes' leveling guide. This is a common social engineering tactic to trick users into visiting potentially malicious sites. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or malware distribution.

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://seumenha.ru/wix?keyword=idle+heroes+leveling+guide+2020
    • http://hyipinvest.site/wumagepauj5.pdf
    • http://help-copyrighteamservice.com/peligumovojuzonst0c.pdf
    • http://bottlechainworld.com/swgoh_new_charactersstckd.pdf
    • http://tesar-krd.ru/applied_mathematics_bookl0cnd.pdf
    • http://reduslimitalia-official.website/how_much_does_it_cost_to_repair_pctikv16.pdf
    • http://jitutirujemi.22web.org/forudafekubarawotekifine.pdf
    • http://gisisavodure.22web.org/27392772938.pdf
    • http://vuvefezod.iblogger.org/does_sears_still_have_appliance_repair.pdf
    • http://domavera.ru/prentice_hall_biology_textbookrdado.pdf
    • http://center-about.com/linuguxewoqb1fn.pdf
    • http://coolstudent.space/huffy_disney_princess_bike_trailer9osz3.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://s3.amazonaws.com/fopalew/96287587025.pdf
    • http://nakulugexogi.rf.gd/jixumit.pdf
    • https://s3.amazonaws.com/tonisefoteka/frontgate_resort_cotton_bath_sheet.pdf
    • https://s3.amazonaws.com/befarekogol/non_verbal_reasoning_test_questions_and_answers.pdf
    • http://vomogowejupilu.rf.gd/13254908187.pdf
    • https://s3.amazonaws.com/fadadedezeker/kohler_command_pro_27_parts_diagram.pdf
    • http://toromatajixuru.epizy.com/xbox_360_wireless_controller_pc_software_windows_10.pdf
    • https://s3.amazonaws.com/fosalizuzu/povureje.pdf
    • http://xodamekexu.epizy.com/94219482388.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
    • http://dejavu.sourceforge.net
    • http://dejavu.sourceforge.net/wiki/index.php/License

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00010f77.bin
dde172ac401035c9cacfafc37121e663fc037aaac4330bfd088b3469997b05bd
pdf-font-stream PDF embedded font (sfnt) at offset 0x10F77 5148 bytes
font_01_sfnt_off000120fd.bin
5dc2199a91598a4d9becd3de687513bc918c7dd5893d1049b73265482bc3a55f
pdf-font-stream PDF embedded font (sfnt) at offset 0x120FD 11572 bytes
font_02_sfnt_off00014866.bin
9af6fc3bf9d751f70540aea0fa47faa159a3604992cda23d2adcda3ffc5346b2
pdf-font-stream PDF embedded font (sfnt) at offset 0x14866 16092 bytes