Malicious PDF — malware analysis report

Static analysis result for SHA-256 20e352bae4ff3178…

MALICIOUS

PDF

78.1 KB Created: 2021-03-07 08:53:56 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-04
MD5: 4c3814060f9d44b23cc99e30078c6254 SHA-1: 4ae310de6cc1581f2e1a66e1bc07ce4cb3a6f5d4 SHA-256: 20e352bae4ff3178f7d7bfa0fa481633a9df595c4b3556ff1f3f8ae3e14fa2eb
136 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9995

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • 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://xezojetit.ru/aws?utm_term=modo+de+producci%25C3%25B3n+feudal+y+capitalista PDF link annotation
    • https://cdn.sqhk.co/laxegipo/khgiejg/lurofasobajizesik.pdfIn PDF document text
    • https://cdn.sqhk.co/lubometusoz/ifigggA/top_music_player_app_2020.pdfIn PDF document text
    • https://cdn.sqhk.co/vinizedanuve/iigidHa/fantasy_genre_definition_worksheet.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4403118/normal_5fc87a5602267.pdfIn PDF document text
    • https://cdn.sqhk.co/nowonipewo/c6he1zn/likee_app_reviews.pdfIn PDF document text
    • https://cdn.sqhk.co/sovokeduseb/giiDAcW/lituz.pdfIn PDF document text
    • https://cdn.sqhk.co/bemaxopig/dAw6vib/27631767697.pdfIn PDF document text
    • https://cdn.sqhk.co/govazilose/5Fidx7V/ludo_king_hack_apk_2020_download_for_android.pdfIn PDF document text
    • https://cdn.sqhk.co/tifomogoketu/DgffehC/rc_heli_flight_simulator_for_mac.pdfIn PDF document text
    • https://cdn.sqhk.co/kogewole/cQAAjbY/adventure_time_maze_full_episodes_free_dailymotion.pdfIn PDF document text
    • https://cdn.sqhk.co/xanovixewin/T6Gujbv/gears_logic_puzzles_pc.pdfIn PDF document text
    • https://cdn.sqhk.co/vubiwete/TwgcCjb/radiant_energy_meaning_in_telugu.pdfIn PDF document text
    • https://cdn.sqhk.co/vixemujomu/sRvicEY/masita.pdfIn PDF document text
    • https://cdn.sqhk.co/goxobuve/ge3eEUQ/phora_to_the_moon_lyrics_az.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4485799/normal_5fe2dde4e276b.pdfIn PDF document text
    • https://cdn.sqhk.co/zarejesorufo/CZheggh/koan_cary_reviews.pdfIn PDF document text
    • https://cdn.sqhk.co/zezegawutogu/gwFxTjd/park_it_on_market.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://s3.amazonaws.com/rudelazifizuvo/24993464357.pdfIn PDF document text
    • https://s3.amazonaws.com/minabiwa/65785225597.pdfIn PDF document text
    • https://s3.amazonaws.com/febopa/tatalenilorunejomasopemof.pdfIn PDF document text
    • http://nibatozov.epizy.com/divina_commedia_parafrasi_e_commento.pdfIn PDF document text
    • http://woxepakaj.epizy.com/durga_puja_dhaker_bajna_ringtone.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e425.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE425 5272 bytes
SHA-256: bd5ae62fee436a8f939c7bba28828fd3f25dad6eb752a3546f99dfcdcfa0b5b4
font_01_sfnt_off0000f5f2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF5F2 11200 bytes
SHA-256: 61128ae8476de44f7e3593b2c487844c77c0f245c4e6cd9376a0df624beeb642
font_02_sfnt_off00011a22.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11A22 4324 bytes
SHA-256: 1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361

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