Malicious PDF — malware analysis report

Static analysis result for SHA-256 0c87c88c0286293f…

MALICIOUS

PDF

84.9 KB Created: 2021-02-21 19:50:47 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-22
MD5: 2d02793b7516ff184427b0c64afb51ea SHA-1: 38ba30af2d99da86dc5e13df58bb07cfd333ddce SHA-256: 0c87c88c0286293fd1c5c375aacc904d91d1f55a7abc983d86e0e254b0eb4321
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://maypoin.ru/wix?keyword=the+linkedin+rainmaker+pdf PDF link annotation
    • https://cdn.sqhk.co/rewazexi/4DAibih/79769850436.pdfIn PDF document text
    • https://vowabogebem.weebly.com/uploads/1/3/0/7/130775978/7a6008cc7b.pdfIn PDF document text
    • http://kininorekuwif.iblogger.org/apertium_offline_translator_apk.pdfIn PDF document text
    • https://janepaxe.weebly.com/uploads/1/3/4/0/134097288/wodopilawe.pdfIn PDF document text
    • https://sogatetemurus.weebly.com/uploads/1/3/4/3/134379625/c8d9f.pdfIn PDF document text
    • http://waneboto.66ghz.com/tabiwuzeg.pdfIn PDF document text
    • https://cdn.sqhk.co/segexiji/jdpiced/kung_fu_panda_2_characters_pictures.pdfIn PDF document text
    • http://barisetufor.66ghz.com/saaho_bang_bang_song_pagalworld._com.pdfIn PDF document text
    • https://talokawibameze.weebly.com/uploads/1/3/4/0/134000376/bd4b672f37.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/kisagoz/sentencing_guidelines_robbery_2018.pdfIn PDF document text
    • https://s3.amazonaws.com/vasofirida/bedsheets_online_shopping_india.pdfIn PDF document text
    • https://s3.amazonaws.com/guxosa/asseverazione_di_conformit_notifica_pec.pdfIn PDF document text
    • http://vubibejibujala.rf.gd/heathkit_as_1348_manual.pdfIn PDF document text
    • https://s3.amazonaws.com/werowibovezoje/infectonator_2_special_zombies_guide.pdfIn PDF document text
    • https://s3.amazonaws.com/tetofamuxulil/zifupik.pdfIn PDF document text
    • https://s3.amazonaws.com/divexikav/woxebutiporinebubimevimo.pdfIn PDF document text
    • http://zumaborelap.rf.gd/sims_3_ambitions_product_code.pdfIn PDF document text
    • https://s3.amazonaws.com/sajatofubote/62604471893.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_off000110c3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x110C3 5116 bytes
SHA-256: 00acacd6f345f30d48b50f49a46b1a308d36e902222c860e477f075ccbce574a
font_01_sfnt_off000121fc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x121FC 10680 bytes
SHA-256: ccaeaad760cc73d8eed7b6754f0baeefe73758e8239bcdc2fb98f42fa4a542a1

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