Malicious PDF — malware analysis report

Static analysis result for SHA-256 7dc6abe414c5e408…

MALICIOUS

PDF

71.6 KB Created: 2021-03-15 16:28:00 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: a7ca8a358118afece991f8b959e757c1 SHA-1: c250ae1de700b2dfe2b52cf5f76b257977079bcb SHA-256: 7dc6abe414c5e408f4dcea3b181e2e8acac89efcbe4fdb03b67ac99ed95c716b
96 Risk Score

Malware Insights

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

The PDF contains an embedded URL that redirects to a suspicious domain, likely intended to trick the user into downloading a malicious payload. ClamAV detection and ML classification strongly indicate malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded URI suggest it's designed to exploit user interaction to download further content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9960

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://maypoin.ru/123?utm_term=bhai+ka+birthday+marathi+song++pagalworld
    • https://cdn.sqhk.co/gabogivoxavi/iaji3wU/30140575676.pdf
    • http://natbeach.space/dark_side_of_the_moon_meaning_lil_waynemrggk.pdf
    • https://cdn.sqhk.co/xibetevoxaj/icicjaR/sirazuzi.pdf
    • http://lebedugipul.mywebcommunity.org/65334076257.pdf
    • https://static.s123-cdn-static.com/uploads/4428342/normal_6001f1e73a3e7.pdf
    • http://gapijet.scienceontheweb.net/dewalt_planer_dw734_wont_feed.pdf
    • http://lotupojaxuvutix.mygamesonline.org/familia_bromeliaceae_caracteristicas.pdf
    • https://cdn.sqhk.co/zoxinugokas/hfgjxjc/18570154722.pdf
    • http://save50it.pro/50111999919j9czb.pdf
    • http://italdom.fun/370667805043nrkb.pdf
    • http://gadetebes.sportsontheweb.net/xavununobedamawuse.pdf
    • https://cdn.sqhk.co/xajamenujo/5JThbyP/94445434821.pdf
    • https://cdn.sqhk.co/fevivesuxofo/PrlsidE/mcdonald_s_maine_phone_number.pdf
    • http://kujinatazema.sportsontheweb.net/benny_lewis_language_hacking_german.pdf
    • https://cdn.sqhk.co/manigonodapu/cjeWRjb/71583358982.pdf
    • http://itawomen.fun/zaxibaxrx7qm.pdf
    • https://cdn.sqhk.co/subilikiwi/QlgdBhb/airthings_wave_2_review.pdf
    • http://sipataj.sportsontheweb.net/dodiseve.pdf
    • https://cdn-cms.f-static.net/uploads/4384164/normal_5fd639a0655a7.pdf
    • https://cdn.sqhk.co/zowonefaso/giajgge/likee_let_you_shine_reviews.pdf
    • https://cdn.sqhk.co/sinemajud/iVNL9h2/wiwurekizigetovowosute.pdf
    • https://cdn.sqhk.co/madufuxenuw/j1cijji/tabletop_video_arcade_games.pdf
    • https://cdn-cms.f-static.net/uploads/4383149/normal_60396a936e0a9.pdf
    • http://islta.fun/twitch_banner_template_photoshop64q1s.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://zonafikepejese.onlinewebshop.net/job_responsibilities_of_office_manager.pdf
    • http://jokosen.atwebpages.com/mi_gente_translation_english_spanish_dictionary_reverso.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d71a.bin
714d5b4faf76d855f7cc4b59398fe39ef6bc2900c1b43c8f5951a08fbe19fb2a		 pdf-font-stream PDF embedded font (sfnt) at offset 0xD71A 5820 bytes
font_01_sfnt_off0000ead3.bin
2b34b6aa9c02b41d7438514566ca7332826e6911965ebbddd88a5fb20be87b83		 pdf-font-stream PDF embedded font (sfnt) at offset 0xEAD3 11064 bytes

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