Malicious PDF — malware analysis report

Static analysis result for SHA-256 c7abf12cf99a1ae9…

MALICIOUS

PDF

124.0 KB Created: 2021-04-11 04:12:08 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-24
MD5: 1dfdecfbc79c078b703dceebaa434f6f SHA-1: 577c359361e4313db1ff0e1f89a768272f99786d SHA-256: c7abf12cf99a1ae9b390487c636f7b0d4ccf8cf744f65338ee54a3ccb7a36c20
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 0.9997

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://bologen.ru/strik?utm_term=is+there+a+flight+simulator+for+xbox+360 PDF link annotation
    • http://nosetibadap.iblogger.org/can_you_feel_the_love_tonight_piano_sheet.pdfIn PDF document text
    • http://faripofijukevom.mywebcommunity.org/what_is_the_weight_limit_for_fisher_price_baby_swings.pdfIn PDF document text
    • http://xofazonir.iblogger.org/tee_shirt_template.pdfIn PDF document text
    • http://xilenemivagola.mywebcommunity.org/tivuvatobunadamepu.pdfIn PDF document text
    • http://fofafik.iblogger.org/61549620414.pdfIn PDF document text
    • http://kuliwegi.sportsontheweb.net/ropedegiwerukiz.pdfIn PDF document text
    • http://wibedepotemuru.22web.org/58700462633.pdfIn PDF document text
    • http://kupuzuzopojesu.22web.org/26568408416.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/vavabi/waste_management_ppt_free.pdfIn PDF document text
    • https://s3.amazonaws.com/norozovijalu/47375068840.pdfIn PDF document text
    • https://s3.amazonaws.com/towutoginadivu/harry_potter_books_uk_edition_hardcover.pdfIn PDF document text
    • https://s3.amazonaws.com/tinivukedeta/jederuporerefupazupujat.pdfIn PDF document text
    • http://vetarobafawuk.epizy.com/temazapovose.pdfIn PDF document text
    • https://s3.amazonaws.com/baxekojojexusol/ligabug.pdfIn PDF document text
    • https://s3.amazonaws.com/lemefofutomapox/bhajan_non_stop_dj_song.pdfIn PDF document text
    • https://s3.amazonaws.com/tazibabebamep/50523460365.pdfIn PDF document text
    • https://s3.amazonaws.com/dazemi/71638747089.pdfIn PDF document text
    • https://s3.amazonaws.com/wavunot/84900044290.pdfIn PDF document text
    • https://s3.amazonaws.com/pusolefosex/15336598636.pdfIn PDF document text
    • https://s3.amazonaws.com/jiwisi/14876681230.pdfIn PDF document text
    • https://s3.amazonaws.com/biwuwukesazef/crash_report_online_florida.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_off0001a3c8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1A3C8 5784 bytes
SHA-256: b4c18241a658beb3d5561cb063809e385c6bd63d432992a0af97e00931af8f77
font_01_sfnt_off0001b756.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1B756 12828 bytes
SHA-256: 7cbb713090d9378d64cbdc2e3000fd852f7ec2a47b120785216d3a12bffd7f99

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