Malicious PDF — malware analysis report

Static analysis result for SHA-256 f08dcbe4dddb1245…

MALICIOUS

PDF

80.4 KB Created: 2021-05-02 07:25:07 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-24
MD5: b927fc5280e8cacc40e489f75eb2e9ba SHA-1: 1afa15db44c95fc40860475d00e08c2aa41fac74 SHA-256: f08dcbe4dddb12454a0301b51c23462df5cbe3fdd2391b1eaccaaa40496b8db5
96 Risk Score

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 0.9995

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://zajinet.ru/strik?utm_term=game+of+thrones+books+vs+show+which+is+better PDF link annotation
    • http://zelumefepa.sportsontheweb.net/canon_60d_specifications.pdfIn PDF document text
    • http://finoginujowiwi.mypressonline.com/1806887061.pdfIn PDF document text
    • http://veruvipavopa.getenjoyment.net/mezenaduzi.pdfIn PDF document text
    • http://mujezixebu.22web.org/84603843565.pdfIn PDF document text
    • http://fejekadiwoxobiz.getenjoyment.net/volakefutelazidaxoneto.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
    • http://modanatev.rf.gd/7462528369.pdfIn PDF document text
    • http://gelutosedufom.epizy.com/97738026291.pdfIn PDF document text
    • https://s3.amazonaws.com/bupijila/mediaset_play_app_apk.pdfIn PDF document text
    • https://s3.amazonaws.com/tojabixefova/pokepepulejep.pdfIn PDF document text
    • https://s3.amazonaws.com/mudurixo/aa_route_planner_app.pdfIn PDF document text
    • https://s3.amazonaws.com/rozebofukixus/inari_amertron_annual_report.pdfIn PDF document text
    • https://s3.amazonaws.com/gapivegek/37112374827.pdfIn PDF document text
    • https://s3.amazonaws.com/zuses/difemezufapufijepa.pdfIn PDF document text
    • https://s3.amazonaws.com/lakadutof/mtodos_de_recoleccin_de_datos_en_una_investigacin_cualitativa.pdfIn PDF document text
    • http://lujuxug.epizy.com/5692079126.pdfIn PDF document text
    • https://s3.amazonaws.com/rerinago/full_hd_wallpaper_for_android_free.pdfIn PDF document text
    • http://lulatupesufij.epizy.com/gadofajekalabanawolumoda.pdfIn PDF document text
    • https://s3.amazonaws.com/lakadutof/zogukugefulevep.pdfIn PDF document text
    • https://s3.amazonaws.com/luropi/brandenburg_primary_uniform.pdfIn PDF document text
    • https://s3.amazonaws.com/tigewibejageju/macbeth_act_5_comprehension_questions_and_answers.pdfIn PDF document text
    • https://s3.amazonaws.com/debiwelof/jarifasunipexeduxo.pdfIn PDF document text
    • https://s3.amazonaws.com/sivanira/severs_disease_patient_information_sheet.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_off0000f037.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF037 5264 bytes
SHA-256: 9d0f8609d41b0976c2fac21feb963e30365afa9c47cdc6c49a37789e51368727
font_01_sfnt_off00010210.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10210 10464 bytes
SHA-256: 837e3d7c9359dbb0f6463516425b1dd75ff4e823387650d8382c814905daa48f
font_02_sfnt_off000125b3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x125B3 4324 bytes
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3

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