Malicious PDF — malware analysis report

Static analysis result for SHA-256 38a06dfe8a7af177…

MALICIOUS

PDF

79.6 KB Created: 2021-03-17 11:17:57 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-22
MD5: 19735e5d6c00b2e32c879aae22598c2d SHA-1: 334c27f563a50952cd255b7aba1dcf5c5a3e97bb SHA-256: 38a06dfe8a7af17782a118e05b1ad18790f2ffc7da5e0fb20c8e30be56106d40
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 0.9993

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://gimoguvi.ru/strik?utm_term=power+quick+pot+pressure+cooker+manual PDF link annotation
    • http://fruitslope.online/how_do_you_say_bad_girl_in_jamaicandci70.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4496602/normal_6012cdb244758.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4461207/normal_5ffd58f5d5da6.pdfIn PDF document text
    • http://tells.fun/bose_quietcomfort_25_android_compatibility6uqdq.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4369657/normal_6005f9d2a5ca4.pdfIn PDF document text
    • http://pasendapp.online/psychic_intelligence_meaningtcxtl.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4420910/normal_5ffb930f452c1.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4481065/normal_60177ee99bf13.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4391649/normal_5fd9357e5ff40.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4416514/normal_6019ca6e0418a.pdfIn PDF document text
    • http://trokot-roznica.xyz/vidikovanoxugevabyn6mk.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4496811/normal_5ff919ca619f4.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4381289/normal_5ff905fe11266.pdfIn PDF document text
    • http://hargotel.xyz/lagaxovezeboza860ma.pdfIn PDF document text
    • http://dmgameplan.com/data_communication_and_networking_notesebyp1.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4412899/normal_5fd5eff0e9720.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4413966/normal_5fe68f08242d2.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4471250/normal_600381b204af3.pdfIn PDF document text
    • http://fredo.bike/arch_bridge_advantages_and_disadvantages63bo1.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/xifabilejilab/2015_challenger_392_performance_parts.pdfIn PDF document text
    • https://s3.amazonaws.com/vawoginele/42894759808.pdfIn PDF document text
    • https://s3.amazonaws.com/xovajukoxin/cadillac_records_soundtrack_zip.pdfIn PDF document text
    • https://s3.amazonaws.com/jokotaziweluge/gana_achu_lup_tup_song_wapwon.pdfIn PDF document text
    • https://s3.amazonaws.com/xoxaneral/grasshopper_coding_answers.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_off0000f8f0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF8F0 5364 bytes
SHA-256: 6254f065ba97684c5467660c66f84b0c6839dc50b23b02ad59c162a5a3ac2d73
font_01_sfnt_off00010b31.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10B31 11232 bytes
SHA-256: 03737c419921724b1d2cab81f84b80255c00ae6e236384f2f4e04eb8c1973580

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