Malicious PDF — malware analysis report

Static analysis result for SHA-256 bbc55be35f71482f…

MALICIOUS

PDF

72.1 KB Created: 2021-02-22 03:47:08 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: 289c2dc78860da166770dd626001ad96 SHA-1: fd3c4b2938a3e098003f5476c778c43cf39c1121 SHA-256: bbc55be35f71482f9e7a69b72fe8d7343456f898ff48e3dc19f6b1228e170002
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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://jottigo.ru/wix?keyword=cinco+de+mayo+acrostic+poem PDF link annotation
    • https://tifevijokob.weebly.com/uploads/1/3/5/3/135351552/budewuloba_batuko.pdfIn PDF document text
    • https://cdn.sqhk.co/nezerozara/3x62veU/fibiwamemigonifebubokuki.pdfIn PDF document text
    • http://manetebanax.22web.org/phenol-_formaldehyde_resin_ir_spectrum.pdfIn PDF document text
    • http://jijimaxugixu.22web.org/total_conquest_hack_apk.pdfIn PDF document text
    • https://zopokobo.weebly.com/uploads/1/3/1/3/131383813/6616730.pdfIn PDF document text
    • http://sevelorovuwo.66ghz.com/pofugawobe.pdfIn PDF document text
    • http://kexazejarufag.iblogger.org/89999843800.pdfIn PDF document text
    • https://gegoviboz.weebly.com/uploads/1/3/4/8/134876631/lepevep.pdfIn PDF document text
    • https://rebejudan.weebly.com/uploads/1/3/5/3/135316845/wibefafigu.pdfIn PDF document text
    • http://lozaratoz.iblogger.org/absolute_value_transformations_worksheet_answers.pdfIn PDF document text
    • https://cdn.sqhk.co/zitiwofiru/g3hcMZJ/bandmate_chromatic_tuner_apk.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/vekodupiwarobi/avatar_icon_image.pdfIn PDF document text
    • http://jirizaxewusi.epizy.com/2d_design_vector_free.pdfIn PDF document text
    • http://riramemixezu.epizy.com/rubumolezu.pdfIn PDF document text
    • http://joriboka.epizy.com/silomixuxe.pdfIn PDF document text
    • https://s3.amazonaws.com/fonazuzixagizir/html_email_format_template.pdfIn PDF document text
    • http://bajobakokela.epizy.com/gugaxo.pdfIn PDF document text
    • https://s3.amazonaws.com/doxifuba/bimen.pdfIn PDF document text
    • https://s3.amazonaws.com/desenaz/wijuwulejiti.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_off0000df4d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDF4D 5192 bytes
SHA-256: 474d1904df3a59af2bdaa9ae619520816b9bd5530765b1a2e02e6b3f2a170e46
font_01_sfnt_off0000f0de.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF0DE 10044 bytes
SHA-256: b30d35068169ce2f6c18836a62bff2dac7ba04df6e32b68a5ea79ce02f0639b1