Malicious PDF — malware analysis report

Static analysis result for SHA-256 7ff99c604ad6afa3…

MALICIOUS

PDF

71.6 KB Created: 2021-03-28 08:20:07 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-18
MD5: 0bb3c111ae4c3d5b0bda7814a222b869 SHA-1: 116509e1ef0402767a592945791a8da48f3218f4 SHA-256: 7ff99c604ad6afa39849fd5ae51233f00d597ae5ce7866d03f56aae384dffe8d
96 Risk Score
Tags
free-cdn-ebook-manual-lure

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 0.9960

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://crophysi.ru/123?utm_term=jimmy+choo+choo+video++pagalworld PDF link annotation
    • https://cdn.sqhk.co/fulaxanew/4iejgEl/most_extreme_mountain_bike_race.pdfIn PDF document text
    • http://pejelurim.getenjoyment.net/didav.pdfIn PDF document text
    • http://fajesamosini.sportsontheweb.net/aisthesis_jacques_ranciere.pdfIn PDF document text
    • https://cdn.sqhk.co/sarimotel/Ro6xja2/kunasosilovezer.pdfIn PDF document text
    • https://cdn.sqhk.co/tedisebufen/jishfic/english_japanese_picture_dictionary.pdfIn PDF document text
    • https://cdn.sqhk.co/feluxolid/eWjbqgj/fantasy_name_generator_dwarf_dnd.pdfIn PDF document text
    • http://majikok.mygamesonline.org/addams_family_theme_song_piano.pdfIn PDF document text
    • https://cdn.sqhk.co/medujebukoma/jbL9cn0/projectm_music_visualizer_pro_apk_free_download.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/winumigutam/tarzan_man_of_the_apes_movie.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/6343e37e-0545-4c03-ada9-1803e63cde6c/fugawufopakiboxenope.pdfIn PDF document text
    • https://s3.amazonaws.com/fadadedezeker/91197764928.pdfIn PDF document text
    • https://s3.amazonaws.com/pazerogasarinu/luvokozurejetipurusavexeb.pdfIn PDF document text
    • http://kipazafar.atwebpages.com/22013659701.pdfIn PDF document text
    • http://zuvuzevo.atwebpages.com/wivugugelexupezufegaxod.pdfIn PDF document text
    • https://s3.amazonaws.com/ropidadegaxut/55933402678.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/652576ee-6af3-4f13-9645-d0f9e6db4164/36946009318.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/0a847e66-2bfd-4e3c-bccf-2621d40af202/what_means_monkey_business_in_spanish.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/a200348f-2f37-4219-ba85-3d753dd83d21/wimopaxubemutevi.pdfIn PDF document text
    • https://s3.amazonaws.com/xamapebonijos/49811170477.pdfIn PDF document text
    • https://s3.amazonaws.com/tajimipojimo/tamil_best_love_feeling_songs.pdfIn PDF document text
    • https://s3.amazonaws.com/lixisariwulo/rigone.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c0748dfe-02db-4014-8962-de2bf12bbe76/29424958765.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/9b032be0-2b13-4dda-9e2b-641ed78f7d73/how_to_work_viking_oven.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/5e2a8cfb-b8a4-4077-9ae3-2dc89859f051/fikedikajiti.pdfIn PDF document text
    • https://s3.amazonaws.com/tejuvonixag/jinizowofinoz.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/0fe430a0-3c6a-4d26-86e3-0863e2319a0b/what_are_some_good_dare_ideas.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_off0000d9b7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD9B7 5552 bytes
SHA-256: 211dfe7b39cf75a7c12fba593577e05d1627e325dbbeb849d1a9f8a4dc6a6a39
font_01_sfnt_off0000ec8b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEC8B 10608 bytes
SHA-256: 958f267771ed8f56ac326d8316eb7c0ab3ec17e6967a859bc31779976736b7d9

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