Malicious PDF — malware analysis report

Static analysis result for SHA-256 ea62befcf33919ba…

MALICIOUS

PDF

72.6 KB Created: 2021-03-05 17:39:06 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: d6b7da4d658ece8e4b8063feed64be54 SHA-1: 71bd6fbf77abc90174e992d2a3d3705cfa6c5523 SHA-256: ea62befcf33919bad84868359c23bc7779a218538fe5b2dc184635dc621846d4
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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://gimoguvi.ru/wix?keyword=brinkmann+flashlight+bulb+replacement PDF link annotation
    • http://tezuveripoxub.mypressonline.com/where_to_put_commas_and_quotation_marks.pdfIn PDF document text
    • https://cdn.sqhk.co/mofokamibe/gjbUiiJ/offline_wallpaper_for_mobile.pdfIn PDF document text
    • https://cdn.sqhk.co/loxowopiv/nhgjiDn/95998849958.pdfIn PDF document text
    • http://siwosupegejolop.medianewsonline.com/jogapisomuxagojiborotaram.pdfIn PDF document text
    • http://dsv-trening.ru/guided_imagery_for_anxiety_script8zysd.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4420924/normal_60145a64afbea.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4460043/normal_6034337e4b578.pdfIn PDF document text
    • http://misstourist.info/delhi_university_semester_exam_date_sheetnmnjy.pdfIn PDF document text
    • http://lenugaguv.medianewsonline.com/49174211705.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4446272/normal_5fcbdb7116f1f.pdfIn PDF document text
    • https://cdn.sqhk.co/tiviluluje/i25uBaA/jurassic_world_alive_new_hybrids_2020.pdfIn PDF document text
    • http://balifruit.com/70958025180axmmu.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/f1903418-c2ea-4198-9f98-8915304343e5/45097921667.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/a14d10f1-eddf-4f31-ab4e-a075f5a9c6ab/how_to_get_started_trading_penny_stocks.pdfIn PDF document text
    • https://s3.amazonaws.com/nademopor/evinrude_9.9_for_sale.pdfIn PDF document text
    • https://s3.amazonaws.com/nefagolom/duplicate_pan_card_copy.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/28887c7a-1c0a-4388-b66f-3d90983c087c/buxonupumavolamaje.pdfIn PDF document text
    • https://s3.amazonaws.com/begijufadi/razuzujox.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/edfdbaa3-7eef-4380-89f9-5e32b49d45c9/tommy_emmanuel_guitar_book.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b5b45c00-34f4-4687-8a44-5b859c02246d/2nd_grade_books_for_reading_comprehension.pdfIn PDF document text
    • https://s3.amazonaws.com/mujesogi/asme_b31._3.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_off0000dd9b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDD9B 5684 bytes
SHA-256: 64a8464dcbd055df29c8b554208bb63361b7675804676af266c077e6e9b5e0f1
font_01_sfnt_off0000f0cb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF0CB 10760 bytes
SHA-256: 145d6d89ab69daa9cbaf6811a9a70e6ca53cb94af8be9b750628b2adc9f99fee

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