Malicious PDF — malware analysis report

Static analysis result for SHA-256 60100ac9c4a782cc…

MALICIOUS

PDF

94.9 KB Created: 2021-02-27 22:19:20 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-22
MD5: b4d6161a22589c04aa65440ed3924ca3 SHA-1: c552476d4983f553b47eb84fe31689113a6c796b SHA-256: 60100ac9c4a782ccf9446d7a9ea74a8748012104d1f9254eedbca94540af5d57
96 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains an embedded URI pointing to a suspicious domain, which is likely part of a phishing lure. The ML classifier and ClamAV detection strongly indicate malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded URI suggest it's designed to redirect users to a malicious site, potentially for credential harvesting or further malware delivery.

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://xezojetit.ru/123?utm_term=the+green+mile+cast+gary+sinise PDF link annotation
    • https://fudisilutopunus.weebly.com/uploads/1/3/1/4/131438012/8ee96097ce84.pdfIn PDF document text
    • http://ecosbor.net/what_are_the_3_things_the_declaration_of_independence_doesy2sd3.pdfIn PDF document text
    • http://canonsburglake.org/how_to_bypass_lid_switch_on_whirlpool_washer1mdx7.pdfIn PDF document text
    • https://waxevinibiwe.weebly.com/uploads/1/3/0/9/130969944/1286504.pdfIn PDF document text
    • http://stavki-na-sport.site/gofovuk603nh.pdfIn PDF document text
    • https://dapavivilo.weebly.com/uploads/1/3/4/8/134895477/3d4b6d5908.pdfIn PDF document text
    • http://laithub.pro/ripusidanixibouir7n.pdfIn PDF document text
    • http://secureappeal.com/chicken_invaders_5_free_download_for_pcy5tra.pdfIn PDF document text
    • https://sisilodoja.weebly.com/uploads/1/3/1/4/131406442/jonitipoke-biwipadaku-vomitu.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4474727/normal_60115f6f69eef.pdfIn PDF document text
    • http://luminar4-download.xyz/brother_hl_2140_drumhz3yw.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4465398/normal_5fe98ea255bd5.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/divelatoxa/29007149527.pdfIn PDF document text
    • https://s3.amazonaws.com/gazijewevan/automate_data_entry_excel_spreadsheet.pdfIn PDF document text
    • https://s3.amazonaws.com/gazitif/tax_administration_act_2015.pdfIn PDF document text
    • https://s3.amazonaws.com/folexapurilowe/zoxidobajejipegaboro.pdfIn PDF document text
    • https://s3.amazonaws.com/fadupazageraf/32412424017.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_off0001343b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1343B 5264 bytes
SHA-256: 0ddc6aa21cc6ee3be1f391170f86120fe5b40355ea5a240f84622edcb7d970c0
font_01_sfnt_off00014600.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x14600 12044 bytes
SHA-256: 8cc8e6c174ca74e261860ceea2cf8d9c401dfc1f1046dbd32312970b05bb5b4b

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