Malicious PDF — malware analysis report

Static analysis result for SHA-256 4622944a4cfca68e…

MALICIOUS

PDF

73.2 KB Created: 2021-02-19 06:00:02 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: 9f24a6db8c27e06c0c51cea0df617e0f SHA-1: 1deeb918841f97053710c244909c9f713a420b51 SHA-256: 4622944a4cfca68e9a5aac0fb4b611dc72e2f7c1c4c31300b6e33df379c91ff9
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9995

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://druttle.ru/wix?keyword=kotor+2+dark+side+guide PDF link annotation
    • https://cdn.sqhk.co/vifejoneses/bgihbup/jokubabi.pdfIn PDF document text
    • https://rodironamo.weebly.com/uploads/1/3/5/3/135347674/424637.pdfIn PDF document text
    • http://securespot.ru/51873774604jmrlq.pdfIn PDF document text
    • https://cdn.sqhk.co/xumesapaxoku/LhdJgj7/30309295220.pdfIn PDF document text
    • https://xifuforemavu.weebly.com/uploads/1/3/1/1/131164534/8921820.pdfIn PDF document text
    • https://cdn.sqhk.co/ragekasa/egciehb/missing_you_quotes_for_dad.pdfIn PDF document text
    • https://japejezapunat.weebly.com/uploads/1/3/3/9/133999519/texidajez-xawas.pdfIn PDF document text
    • https://damatabawapu.weebly.com/uploads/1/3/1/3/131379320/sivov.pdfIn PDF document text
    • http://itabody.space/7209237517g7f2s.pdfIn PDF document text
    • https://fijomenameti.weebly.com/uploads/1/3/0/8/130874411/bazijubagu.pdfIn PDF document text
    • http://comforfemj.fun/nokedakejerh1ks8.pdfIn PDF document text
    • http://republvinb.fun/43326279980unr5.pdfIn PDF document text
    • http://healsmall.space/scratchjr_for_windows_7wnd61.pdfIn PDF document text
    • https://sibotapitagota.weebly.com/uploads/1/3/4/3/134378411/zavoxewisifati-visitogodid.pdfIn PDF document text
    • https://cdn.sqhk.co/batovafakupo/jgvTozR/atos_vr_hang_glider.pdfIn PDF document text
    • http://magic-world.site/6652130998oan10.pdfIn PDF document text
    • http://autoupgrade.website/what_channel_is_cozi_tv_on_comcast_20189a613.pdfIn PDF document text
    • http://tokio-2020.fun/fufamixis8i71.pdfIn PDF document text
    • https://rukupapafi.weebly.com/uploads/1/3/0/7/130739745/livovigat-nebinab-jatez.pdfIn PDF document text
    • http://teplotronic.ru/12215070314aqgjc.pdfIn PDF document text
    • http://tk-time.site/gopro_hero_5_black_quick_guideucuhg.pdfIn PDF document text
    • http://hookup154.online/dungeon_survivor_2_classesquk2h.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn 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_off0000e25d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE25D 5124 bytes
SHA-256: 80af8b29f19458111e8667f06c8a5dade46c783faf4cf0b8610de34b63effcaf
font_01_sfnt_off0000f3de.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF3DE 10392 bytes
SHA-256: 0857e84286120a467ba706154358d9cf619c82304ca337f779d491b6c3aa5237

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