Malicious PDF — malware analysis report

Static analysis result for SHA-256 15e6f9c8814701fc…

MALICIOUS

PDF

75.3 KB Created: 2021-03-01 01:20:59 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-04
MD5: 4223aeebca7a2b9b0ae2e17fd0ccbe11 SHA-1: 92b01f9c8da70c22a20132db12d7b66493f6c43a SHA-256: 15e6f9c8814701fc9ada1c0ece1a5bf2584ac028b25d9b8ac1af1fbc6278b1d4
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 6

  • 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 contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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://midufefew.ru/123?utm_term=python+snake+for+sale PDF link annotation
    • https://cdn.sqhk.co/fapiwejagiz/jashgja/38266552540.pdfIn PDF document text
    • https://roxupabepali.weebly.com/uploads/1/3/4/6/134611875/kozobu_dowejavezutivod_texur.pdfIn PDF document text
    • https://xurozakewera.weebly.com/uploads/1/3/1/4/131414240/wufabatoni_xavus.pdfIn PDF document text
    • https://cdn.sqhk.co/bapulofuw/gijXjjK/9723752470.pdfIn PDF document text
    • https://cdn.sqhk.co/raxoxawupej/F7ifVhb/93616633847.pdfIn PDF document text
    • https://cdn.sqhk.co/vimerokil/hfkJchd/32571121111.pdfIn PDF document text
    • https://fadabavawabup.weebly.com/uploads/1/3/4/0/134095990/bae84.pdfIn PDF document text
    • https://xanugobolenaz.weebly.com/uploads/1/3/4/3/134371028/7a55f57c35df1b5.pdfIn PDF document text
    • https://cdn.sqhk.co/jolodovi/Xjgiahi/13010037124.pdfIn PDF document text
    • https://cdn.sqhk.co/rekutadis/ibFK32L/xipol.pdfIn PDF document text
    • https://goginaderexikez.weebly.com/uploads/1/3/5/3/135306094/lalukagejim.pdfIn PDF document text
    • https://babaperivagam.weebly.com/uploads/1/3/1/3/131379833/f7b7b24aaa378.pdfIn PDF document text
    • https://zabaruwizugode.weebly.com/uploads/1/3/4/5/134596412/romagej.pdfIn PDF document text
    • https://wulodegekejiwa.weebly.com/uploads/1/3/4/2/134266030/5837311.pdfIn PDF document text
    • https://texodixoxi.weebly.com/uploads/1/3/1/8/131857215/jopivipirowu.pdfIn PDF document text
    • https://cdn.sqhk.co/rapawaferew/dhhhhjd/learn_the_whip_nae_nae_dance.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://rujidita.rf.gd/future_simple_questions_worksheet.pdfIn PDF document text
    • http://jowuwivipi.rf.gd/voulez_vous_danser_grand_mre_paroles.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_off0000ebac.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEBAC 5024 bytes
SHA-256: b2ec8a3889356e7b86409b7fb211ae3945a6929d2648f32cc62b408fa92fd148
font_01_sfnt_off0000fcc8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFCC8 10576 bytes
SHA-256: c7e562d6ff7f19b357bfe61203fc3460fa2718539505336f15f2430449064126

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