Malicious PDF — malware analysis report

Static analysis result for SHA-256 7fa6d293c4ce0da5…

MALICIOUS

PDF

80.7 KB Created: 2021-03-28 22:20:36 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-18
MD5: c5af17eae6c7e5dd6de5481ce43e4f9e SHA-1: 5272cf0211def29f22964a5a8d1ea719e3b9ffdc SHA-256: 7fa6d293c4ce0da57d5f5524f53c8ab01a6a40a6361811fa2af2259d2079e44e
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 0.9998

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://ponafet.ru/123?utm_term=cdc+travel+information+vietnam PDF link annotation
    • http://itabody.space/28056417020qiq6l.pdfIn PDF document text
    • http://setofexperience.site/topinipibajm14s.pdfIn PDF document text
    • http://urolog.xyz/ariston_aristella_ls_601_manualewnvjf.pdfIn PDF document text
    • https://ponebivilu.weebly.com/uploads/1/3/4/5/134505494/1588939.pdfIn PDF document text
    • http://bezprovodov.guru/what_meralgia_paresthetica7o4tk.pdfIn PDF document text
    • https://tenabawik.weebly.com/uploads/1/3/2/7/132710661/8714716.pdfIn PDF document text
    • http://yewes.fun/961863609898panq.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/lakujusitejojet/fundamental_notions_of_abstract_mathematics.pdfIn PDF document text
    • http://xakurukedafa.epizy.com/filmywap_raees_movie_2017.pdfIn PDF document text
    • http://jivugojazop.epizy.com/57401906994.pdfIn PDF document text
    • http://vebodunusugi.rf.gd/capsim_comp_xm_cheats.pdfIn PDF document text
    • http://zexitan.rf.gd/marginal_costing_and_absorption_costing_notes.pdfIn PDF document text
    • https://s3.amazonaws.com/tuzakifezara/59943137167.pdfIn PDF document text
    • http://jobemikewi.epizy.com/just_2_words_level_575.pdfIn PDF document text
    • https://s3.amazonaws.com/mokuwanibof/33587221446.pdfIn PDF document text
    • https://s3.amazonaws.com/davawina/collier_landry_net_worth.pdfIn PDF document text
    • https://s3.amazonaws.com/jamuluvuvava/obituary_writing_template.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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e931.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE931 4952 bytes
SHA-256: cccef943ea9c79f0612bd2eab3002d263d481b83bd128fbdb5f30e5396da10ea
font_01_sfnt_off0000f9fa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF9FA 11264 bytes
SHA-256: 6987faeb5e90118bd2da3b6d385d9eb83117db1c312b0c367ecb82188c5a78b4
font_02_sfnt_off000120c0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x120C0 16092 bytes
SHA-256: c9557d91917e40dbb2ce09b7ef560a04a9a832ffe2ebcac6b50408a58351272e

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