Malicious PDF — malware analysis report

Static analysis result for SHA-256 17d699ceafdd13bf…

MALICIOUS

PDF

72.1 KB Created: 2021-03-11 03:01:31 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-15
MD5: acaa4a8a7a401c669f1e7308d601a08d SHA-1: 9f61a2fc66e272610614a9425996e55fa9f50006 SHA-256: 17d699ceafdd13bf26558c6fc7d0628911d8600d38796a620eef38178ad9b366
134 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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.
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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/wix?keyword=nj+search+warrant+approval+form PDF link annotation
    • https://cdn.sqhk.co/lajagika/bEWcwSw/72610751580.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4379984/normal_60149dba0cfe4.pdfIn PDF document text
    • https://cdn.sqhk.co/rebabafa/9pI7lji/train_taxi_game_download.pdfIn PDF document text
    • https://cdn.sqhk.co/wekonexiw/fbjdPgS/wuxelekiwenupiz.pdfIn PDF document text
    • https://cdn.sqhk.co/sazalevimit/jfHhahe/la_vie_en_rose_tabs_edith_piaf.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4476767/normal_601ae3a0ac9a6.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4391915/normal_601904771d839.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4444100/normal_6033f86537c8b.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4391340/normal_6039b513938b9.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4496585/normal_600a7707bba13.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4467038/normal_603f528c28236.pdfIn PDF document text
    • https://cdn.sqhk.co/vuwipabobatu/jUhhigS/word_blocksatz_automatische_silbentrennung.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://b5c90759-dbf8-4ccd-b12d-e23c958527f9.filesusr.com/ugd/915a55_6b5f5e3ea2b34338a363e9dba2d309dc.pdf?index=trueIn PDF document text
    • https://d8d691c7-cf48-432b-bece-a54604b57851.filesusr.com/ugd/1e3a4b_8d315402594f49d492b10f20d4ef4515.pdf?index=trueIn PDF document text
    • https://c370dac7-4848-4fa0-a6df-94361299e8ba.filesusr.com/ugd/fa6303_9884f2fabd9340889bb0511299fe566d.pdf?index=trueIn PDF document text
    • https://979cd01f-16ea-4d2c-b189-234964c95597.filesusr.com/ugd/d4c4cf_8ef1f6bb53d34a648d2fc46897a5f2f0.pdf?index=trueIn PDF document text
    • https://f1cb2ec4-a82d-4768-8a06-5236a2db220e.filesusr.com/ugd/a2e20a_0516a73048ac4a0793f7903edb1a7a86.pdf?index=trueIn PDF document text
    • https://c1d61d78-9bae-425c-b347-ee91470fe4f1.filesusr.com/ugd/60933b_76eea81f668b41ab9debfa97f198dd12.pdf?index=trueIn PDF document text
    • https://7f3356c1-ec1f-498a-9d41-5b36c14d87b7.filesusr.com/ugd/98d33d_6be500853ad94839ac09b41ae0a44da3.pdf?index=trueIn PDF document text
    • https://0f7a2101-273c-4f7f-b1fd-079d1ad923c1.filesusr.com/ugd/a7ea6f_61a6e2f850db4ad0bdc3c75c5ab7898c.pdf?index=trueIn 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_off0000deaa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDEAA 5452 bytes
SHA-256: 7758bec32940ee16f2006b90f4db8e42cf4109095374829da8a3db32a4b52b8c
font_01_sfnt_off0000f132.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF132 10040 bytes
SHA-256: 856b56c04db1274ada8fd17ff9727b4bb14e64abe0f29668c960bdfbbcbb65f6

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