Malicious PDF — malware analysis report

Static analysis result for SHA-256 cac10cc1c40cfcb2…

MALICIOUS

PDF

71.0 KB Created: 2021-03-15 05:31:18 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 0c9832249c782237bd0f9fc3280bc903 SHA-1: 145366e72f64741c149a7d4bfcb9714cc7f68787 SHA-256: cac10cc1c40cfcb22f7d6790b4b97d0b7172c71eb745270ff3a1453488b9f39e
96 Risk Score

Malware Insights

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

The file is a PDF document that contains an embedded URI pointing to a suspicious domain, likely intended for phishing or malware distribution. The ML classifier and ClamAV detection strongly indicate malicious intent. The document body, though heavily obfuscated, contains text that could be interpreted as a lure for movie content, further supporting a phishing or social engineering attack pattern.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9991

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://soxebez.ru/123?utm_term=challenge+full+movie+bhojpuri
    • http://iranianvc.com/96419350886uoc2s.pdf
    • http://pinegobojefo.getenjoyment.net/fifabet.pdf
    • https://cdn.sqhk.co/suvotoruwot/4xgdgcS/kovakamufebizodape.pdf
    • http://relax35.ru/sisterhood_everlasting127a4.pdf
    • http://yesitalia.fun/congoleum_sheet_vinyl_flooring4vuqw.pdf
    • http://stroymarketmetal.ru/3548380649rw78e.pdf
    • http://13millions-warzone.store/tufuvukavususezerotejz4cev.pdf
    • http://jabilevij.mypressonline.com/epson_wf_2540_printer_error.pdf
    • http://ig-copyrightnoticehelp.com/mobarupubete0gyaf.pdf
    • https://cdn.sqhk.co/jigitovewuk/fhaiibU/naika_music_don_t_rush_lyrics.pdf
    • http://safijejog.mygamesonline.org/their_eyes_were_watching_god_chapter_10_quotes_and_analysis.pdf
    • http://forecast.bet/71232901212lhvaz.pdf
    • http://eferevole.com/56503051729q7cg4.pdf
    • http://inter-kalinka.ru/balunga_toka_odia_movie_all_songbc9nn.pdf
    • http://discout.online/55597374331o1ucs.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://fedorahosted.org/lohit
    • https://s3.amazonaws.com/jejulurowev/debupivumesigerilozinuvi.pdf
    • https://s3.amazonaws.com/wizitifowubux/93528054133.pdf
    • https://s3.amazonaws.com/baritexovopa/66507581228.pdf
    • http://pulutugorivexek.atwebpages.com/alternative_dispute_resolution_definition_and_examples.pdf
    • https://s3.amazonaws.com/vizegemawokaxe/kupulozakikumononowox.pdf
    • https://s3.amazonaws.com/jodabiladezot/jogarexixaxupo.pdf
    • https://s3.amazonaws.com/jexijer/vovufogegoz.pdf
    • https://s3.amazonaws.com/jiwotarotavuz/australian_super_performance_during_gfc.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
font_00_sfnt_off0000caef.bin
70adab200f53df093f51ae35a86de73af09c8e96ab2a195719ee8a273247d1b7		 pdf-font-stream PDF embedded font (sfnt) at offset 0xCAEF 5320 bytes
font_01_sfnt_off0000dce8.bin
18bb3bfed669c61a5b975af80096729a04895110841b4628eef705eb1222ac8f		 pdf-font-stream PDF embedded font (sfnt) at offset 0xDCE8 10136 bytes
font_02_sfnt_off0000fffb.bin
2c7f82bb2665c04afcd1e69f33b1cf151f716df00c2226360aeb370056b8ae3d		 pdf-font-stream PDF embedded font (sfnt) at offset 0xFFFB 3820 bytes

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