Malicious PDF — malware analysis report

Static analysis result for SHA-256 a8060f6730e1c6af…

MALICIOUS

PDF

86.3 KB Created: 2021-03-21 00:46:07 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-22
MD5: 2101aaeccfdc14038cb8edd93c7c16a5 SHA-1: 3a5b0c3d47b64b7096acca6d19ccb646ccbe39c6 SHA-256: a8060f6730e1c6afcc37464df39952770f417bcd672a89c76594c2ecb809553b
96 Risk Score

Malware Insights

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

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9983

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://maypoin.ru/wix?keyword=gangstar+vegas+apkpure PDF link annotation
    • http://wulixiv.sportsontheweb.net/adding_and_subtracting_decimals_word_problems_worksheet.pdfIn PDF document text
    • http://parkji5x.xyz/casio_watch_aq-s810w_manualrb7km.pdfIn PDF document text
    • https://cdn.sqhk.co/wimiwupo/Yzidlhe/us_army_counter_stickman_rope_hero_mod_apk.pdfIn PDF document text
    • http://raisinshub.club/is_jenn_air_good_brandoxxjv.pdfIn PDF document text
    • http://silver35.ru/how_to_test_ecu_pinsypa51.pdfIn PDF document text
    • http://fifamarketbot.com/honda_hrr2168vka_drive_beltjm4b7.pdfIn PDF document text
    • http://joy-todays.online/zevuwobojctgv.pdfIn PDF document text
    • https://cdn.sqhk.co/xeloxilava/Il7QWjb/96626950756.pdfIn PDF document text
    • http://gukibipujuregof.22web.org/39686227306.pdfIn PDF document text
    • http://mimivamefigupe.sportsontheweb.net/tusovu.pdfIn PDF document text
    • https://cdn.sqhk.co/lamiwifa/dhjgchd/54363151891.pdfIn PDF document text
    • http://kidiwutimako.mygamesonline.org/espresso_english_level_3.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/dorulusof/10612221406.pdfIn PDF document text
    • http://wilaroxu.atwebpages.com/being_and_nothingness_sarah_richmond.pdfIn PDF document text
    • https://s3.amazonaws.com/fezenur/tevoruz.pdfIn PDF document text
    • https://s3.amazonaws.com/bifamomove/hulu_live_guide_new.pdfIn PDF document text
    • http://pigepitusedotet.rf.gd/52159746059.pdfIn PDF document text
    • http://mobukug.myartsonline.com/tawitet.pdfIn PDF document text
    • http://gomugugagaf.onlinewebshop.net/divergent_book_chapter_25.pdfIn PDF document text
    • http://wemiwapava.epizy.com/smart_ups_1500_battery_replacement_rack_mount.pdfIn PDF document text
    • https://s3.amazonaws.com/fajixe/how_to_setup_epson_artisan_835_wireless_printing.pdfIn PDF document text
    • https://s3.amazonaws.com/fizaxo/fannie_mae_guidelines_regarding_large_deposits.pdfIn PDF document text
    • http://lewuxaxuzodu.rf.gd/zulamafuv.pdfIn PDF document text
    • http://rovikejovejoto.rf.gd/summer_placement_report_fms.pdfIn PDF document text
    • http://nejimafalun.onlinewebshop.net/is_acne_sign_of_hiv.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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000ec16.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEC16 5108 bytes
SHA-256: a2f39677397bc1e38c62cd11f8e449249ef12ebc7d371086c9b6931ff3abc2c3
font_01_sfnt_off0000fd96.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFD96 5220 bytes
SHA-256: 03a23a104ea2e54fc6d156243a6470ecd7fa511f89e995dcd0ee77b8004f3f62
font_02_sfnt_off000110cc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x110CC 10684 bytes
SHA-256: 7971a9e3067a9b8f09b9ed7dd0fd85b65ac9944dc4912bc390c49bce546d6d16
font_03_sfnt_off000135a9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x135A9 16212 bytes
SHA-256: 1ee85d9b2018e03fb2545c7bdfd18aab3c4871b38cdebbbadf2790f840b53384

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