Malicious PDF — malware analysis report

Static analysis result for SHA-256 1ac5c197dfdf0301…

MALICIOUS

PDF

69.1 KB Created: 2021-03-05 02:53:57 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: 98f374ea073fc81f6db7670760a9efd5 SHA-1: fb0fd4714779b229b84bc6542c8d1e74110fc88a SHA-256: 1ac5c197dfdf03012f15e43076507e80c4e9da72b62de37bf1410ea54c6fae47
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://botokaw.ru/wix?keyword=telecharger+la+bible+ancien+et+nouveau+testament+en+fran%25C3%25A7ais PDF link annotation
    • http://azorocheat5.xyz/pokopavolurivenikazi32x1.pdfIn PDF document text
    • http://kejoxemubogese.mywebcommunity.org/stock_market_news_channel.pdfIn PDF document text
    • https://xudekumuf.weebly.com/uploads/1/3/2/6/132681038/c272ad.pdfIn PDF document text
    • https://cdn.sqhk.co/pigevikuwi/jdgihgC/capsaicin_cream_shingles_cvs.pdfIn PDF document text
    • https://cdn.sqhk.co/rifusofuwedi/3rEMIC6/auto_clicker_download_for_roblox_mobile.pdfIn PDF document text
    • http://creditactive.info/live_video_call_freetbpfg.pdfIn PDF document text
    • http://hookup157.fun/70327450036oyka4.pdfIn PDF document text
    • http://aicberg.net/latex_template_doctoral_thesisbhty8.pdfIn PDF document text
    • http://biolinkus.me/44000830974wqits.pdfIn PDF document text
    • http://gramnews.xyz/78162795153jwmb5.pdfIn PDF document text
    • https://cdn.sqhk.co/vawapisoxe/hehj6gj/commuter_benefits_solutions_login.pdfIn PDF document text
    • https://busofixi.weebly.com/uploads/1/3/4/5/134576252/7766058.pdfIn PDF document text
    • https://zanobevaduj.weebly.com/uploads/1/3/2/6/132682049/nogeni-jovoluwerox-zesajekuludezo.pdfIn PDF document text
    • https://dawijenumekoxel.weebly.com/uploads/1/3/6/0/136087820/fb176ab82.pdfIn PDF document text
    • http://kikifikoxije.mypressonline.com/19182911723.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/e7ffd44a-1966-42f1-b798-83070d2d764d/10_steps_of_service_in_a_restaurant.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/de64ea0e-600d-43bf-bc05-78b09d1a5e2d/dajurijutatik.pdfIn PDF document text
    • http://davofunup.onlinewebshop.net/zoom_g11_price_in_india.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/4b0210db-cbab-4fef-bcb1-935ea17af969/low_calorie_fruits_and_vegetables_in_india.pdfIn PDF document text
    • http://kugukokoner.myartsonline.com/are_magic_bullet_dishwasher_safe.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_off0000cd80.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCD80 5628 bytes
SHA-256: 69623d7fd34dc02789b71f54430f4c20c60cec3d73bc459aff65fd8f7e84da37
font_01_sfnt_off0000e035.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE035 10904 bytes
SHA-256: f6aad4c479c164240e93e1d9292957142a723f6dbe706c64dab98f5c01e1ff48

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