Malicious PDF — malware analysis report

Static analysis result for SHA-256 8d2afb29ad01c6ea…

MALICIOUS

PDF

91.5 KB Created: 2021-03-24 04:58:53 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4cb22eec31e978c1dfc0b96781f400bd SHA-1: d5da4b550726e73c45596272fd2a225196ca5822 SHA-256: 8d2afb29ad01c6ea94062ae7fbc49898b0cd96ed33dab6c4345f816fe3f7be67
96 Risk Score

Malware Insights

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

The PDF contains an embedded URI pointing to a suspicious domain, and ClamAV detection confirms its malicious nature. The document body, though heavily obfuscated, suggests a lure related to a song title, likely intended to trick users into visiting the malicious URL. No scripts were extracted, but the presence of external URIs and the ML classification strongly indicate a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9994

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://vilenefex.ru/123?utm_term=adada+malada+tamil+song
    • https://cdn.sqhk.co/vasibejovej/gcLZFK2/69699929099.pdf
    • http://zuregazezoral.mygamesonline.org/amando_a_pablo_odiando_a_escobar_gratis.pdf
    • https://cdn.sqhk.co/kaxejelun/ihajnhd/mr_bowling_ball_arborvitae_turning_brown.pdf
    • http://temppicture.xyz/give_the_main_theme_of_the_world_is_too_much_with_us_poemcefnd.pdf
    • https://cdn.sqhk.co/letijefa/pRVjhjj/venta_de_recargas_claro_nicaragua.pdf
    • http://sewakasatixori.medianewsonline.com/19316260270.pdf
    • http://gelchlen.fun/kifuvoponizakimejiteri0a485.pdf
    • https://cdn.sqhk.co/nivabetaz/2KhejgP/wallet_fanball_promo_code.pdf
    • https://cdn.sqhk.co/terodekijur/hgnzjfc/nitobogipexezidinutoravi.pdf
    • https://cdn.sqhk.co/taxeseta/xgjihdL/xonenuzixetazubiliratotux.pdf
    • http://lalikexitaxixix.getenjoyment.net/febavutevatofog.pdf
    • https://cdn.sqhk.co/jujejorule/bxOjSjh/video_player_for_android_tv_download.pdf
    • https://cdn.sqhk.co/zirimikuj/ghqohdf/atlas_shrugged_movie_part_1.pdf
    • http://cardio-active.site/mad_truck_hill_climb_racing_game_downloadsjdhx.pdf
    • http://bonifacy.site/rasidaloml110q.pdf
    • https://cdn.sqhk.co/jerowerar/dBuFLhb/legolegopasajawelutaxen.pdf
    • http://fedorahosted.org/lohit
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://s3.amazonaws.com/mokuwanibof/2020_toyota_camry_xse_v6_black.pdf
    • https://s3.amazonaws.com/boxujetanonikuv/android_convert_bytes_to_string.pdf
    • https://s3.amazonaws.com/bewibiwat/74011154106.pdf
    • http://beliraguw.onlinewebshop.net/6281835989.pdf
    • http://xobibaga.myartsonline.com/brain_teasers_pictures.pdf
    • https://s3.amazonaws.com/panokojol/veluzo.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00010efd.bin
509c76f648ae5954604d1f795c439a48bea41d7b1f0d276b42532bcc9a8e386d		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x10EFD 19936 bytes
font_00_sfnt_off0000fdf0.bin
d5e63bea10217e44dcbfc7105dab3392caa5fffe45a44356b0c946e7e60d2402		 pdf-font-stream PDF embedded font (sfnt) at offset 0xFDF0 5040 bytes
font_02_sfnt_off00013c6b.bin
289f908f89110bed1d59f4ce223675e6776cb342901b27e51347d9e5c51238f8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x13C6B 11136 bytes

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