Malicious PDF — malware analysis report

Static analysis result for SHA-256 d12614cc1cd19dd2…

MALICIOUS

PDF

76.2 KB Created: 2021-04-03 04:49:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-22
MD5: d091f33e26bae413e47be5e4625fef3d SHA-1: 85220a6d0c3e4f8c5ea530b48d6a0c8f083379b6 SHA-256: d12614cc1cd19dd270c942e6215d615786d3f2c80d337e5a9921e00f7f6d32af
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 0.9998

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://druttle.ru/strik?utm_term=wolf+oven+customer+service PDF link annotation
    • https://cdn.sqhk.co/rudolikube/pha9hji/netoxojefatiwu.pdfIn PDF document text
    • https://cdn.sqhk.co/kopizikob/jhPRhhc/kingdom_warrior_mod_apk_money_android_1.pdfIn PDF document text
    • https://cdn.sqhk.co/sifolilo/hcGRcmO/animated_sticker_maker_for_whatsapp_apk_download.pdfIn PDF document text
    • https://cdn.sqhk.co/xupodafib/1AhfnOu/43389020839.pdfIn PDF document text
    • http://fedexonep.mypressonline.com/born_to_the_endless_night.pdfIn PDF document text
    • https://cdn.sqhk.co/vitimosugu/djQhajh/67653374003.pdfIn PDF document text
    • https://cdn.sqhk.co/kivipemo/igjogi7/nixotaxap.pdfIn PDF document text
    • http://xoroketogejuxe.mywebcommunity.org/79040248207.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/d4a9bf56-e904-4ead-b7f7-b35a9605eb39/plantronics_backbeat_fit_3200_ou_3150.pdfIn PDF document text
    • https://s3.amazonaws.com/pusori/planck_s_constant_experiment_manual.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d735c692-6435-481b-ba6f-ebb5a2b89592/what_are_some_effective_communication_skills.pdfIn PDF document text
    • https://s3.amazonaws.com/xewamejixolefaj/what_is_the_best_skill_saw_to_buy.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7d7f57a9-d33f-43ed-b96d-e5070d042e1b/72970226330.pdfIn PDF document text
    • https://s3.amazonaws.com/dubiditiginowo/list_of_core_values_brene_brown.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/015f2e58-00da-45ca-984c-8264389a77b0/local_economic_development_definition.pdfIn PDF document text
    • https://s3.amazonaws.com/nafamaragisek/49500243559.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f060c4ae-e03b-4bc9-a86c-d678a65c395f/9769341157.pdfIn PDF document text
    • https://s3.amazonaws.com/pafexegud/lowik.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000ee3f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEE3F 4888 bytes
SHA-256: f5e2ab441d970a2f3c4d0e608a45132416ebaaa54bf2f88ff573b27596461eff
font_01_sfnt_off0000fee5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFEE5 10644 bytes
SHA-256: 72a7c976b23481213bfdcf1699d460d7c32ff2b6832d0f9af62dfa0bbbb5eb0a

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