Malicious PDF — malware analysis report

Static analysis result for SHA-256 30c25f632d0d81b7…

MALICIOUS

PDF

79.6 KB Created: 2021-04-22 02:52:07 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-24
MD5: bd51019b8c949d6e6f2b42d459cfbecd SHA-1: 52ffcf98be675298b5f53a68c3b1022b4bdf648c SHA-256: 30c25f632d0d81b7d0cdc6d3881c05424c598bb9ad7f344d9f47a99e69714fab
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 0.9997

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://botokaw.ru/strik?utm_term=what%2527s+wrong+with+ziggy+big+little+lies PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4412895/normal_6068cd9295e84.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4383300/normal_5fd650339de6f.pdfIn PDF document text
    • http://osthondroz.com/antiepileptic_drugs_ppt_freetid6c.pdfIn PDF document text
    • http://suwefazimim.medianewsonline.com/fevilixefazapup.pdfIn PDF document text
    • https://cdn.sqhk.co/jizapamilizo/k5op0IA/captain_america_coloring_sheet_free.pdfIn PDF document text
    • http://carbackseat.site/tears_in_heaven_ukulele_chordsbrov3.pdfIn PDF document text
    • http://rixorevu.getenjoyment.net/how_to_name_your_best_friend_on_snapchat.pdfIn PDF document text
    • http://ketadiets.site/70550675279rjpmm.pdfIn PDF document text
    • https://cdn.sqhk.co/tozegatopaxu/Q3dhjrn/88948485685.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4371248/normal_5fc78f144799a.pdfIn PDF document text
    • http://tobaliwono.mygamesonline.org/absorcion_de_la_luz.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4406501/normal_5fe1c4375206d.pdfIn PDF document text
    • http://xuwuvewisin.mypressonline.com/topupemudifovetuzarig.pdfIn PDF document text
    • http://weinmvc.net/adobe_illustrator_cc_2017_32bit_crack_amtlib.dll_free_downloadszxxj.pdfIn PDF document text
    • http://good-production18.site/92671122261z2tph.pdfIn PDF document text
    • http://alteramaks.world/how_many_episodes_is_tokyo_ghoul_season_3gwa3a.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/nutanigonu/batch_file_programming_for_loop.pdfIn PDF document text
    • https://s3.amazonaws.com/winumigutam/yaadon_ki_baaraat_1973_songs.pdfIn PDF document text
    • https://s3.amazonaws.com/sasufufa/canterbury_tales_pilgrims_crossword_answers.pdfIn PDF document text
    • http://nitubak.atwebpages.com/81003029642.pdfIn PDF document text
    • https://s3.amazonaws.com/mejawiwomak/tratamento_para_anemia_falciforme.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

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000f722.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF722 5376 bytes
SHA-256: b43c6dcf3adcb374a4fbb83f6b94af76098e78b365645fbab6c325b396f8f50e
font_01_sfnt_off00010998.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10998 12088 bytes
SHA-256: 651b95681e8f7378cf4bd1534b56a984b0bcb9e3e697bb16bdd52cb19569cb09

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