Malicious PDF — malware analysis report

Static analysis result for SHA-256 a38060db7de852a0…

MALICIOUS

PDF

72.0 KB Created: 2021-03-01 01:37:08 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: e1c5d0e606fdfe0a3554d2fa1f7e8cbe SHA-1: c4936c09b69aafa43ecfb0e2e93990badcf5e8f0 SHA-256: a38060db7de852a0efa4120b48b3ddf3671da8d2a7841bf68df58df797c0a1dd
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

Heuristics 5

  • 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.
  • 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://leonvi.ru/wix?keyword=the+go+getter+book+pdf+free+download PDF link annotation
    • https://cdn.sqhk.co/xubuzivo/jgdKfhb/the_quest_keeper_apple_tv.pdfIn PDF document text
    • http://remont-kholodilnikov.website/hide_and_seek_download_pc8x37t.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4425010/normal_5ffe07e468f5a.pdfIn PDF document text
    • https://cdn.sqhk.co/fukonovum/ihi7hel/cartographers_table_minecraft.pdfIn PDF document text
    • http://makeyourself.xyz/herbal_essences_color_me_happy_conditioner_ingredients15fua.pdfIn PDF document text
    • https://cdn.sqhk.co/lituxopevuk/crjjop4/tetifokurejopune.pdfIn PDF document text
    • http://lnstagramsupportlives.com/aprilaire_800_steam_installation8o70j.pdfIn PDF document text
    • http://fifamarketbot.com/dutalipujw49mw.pdfIn PDF document text
    • https://cdn.sqhk.co/rewufarelaze/jgiChip/v_live_bts_jungkook.pdfIn PDF document text
    • http://nijaxubazaziw.mypressonline.com/97640353938.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4407318/normal_603bb8661908b.pdfIn PDF document text
    • http://psychologyrelax.xyz/establecimientos_de_servicios_de_alimentos_y_bebidas5kmqu.pdfIn PDF document text
    • http://twitter-center.com/ruwijawigitavuzji1p.pdfIn PDF document text
    • http://avlto.best/gugubetenitufaga9jltp.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4490950/normal_5fdf91c8be9b5.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366351/normal_602878224b2dc.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4426409/normal_5fe18bcf02e5e.pdfIn PDF document text
    • http://kerutugizuxig.mygamesonline.org/how_to_express_love_to_your_husband.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://fiforeru.atwebpages.com/ronogojug.pdfIn PDF document text
    • http://kagilabitivibe.epizy.com/korean_war_map_activity_worksheet.pdfIn PDF document text
    • http://kabudevegal.epizy.com/wubedixogewemawogavaxoxid.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_off0000d33f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD33F 5368 bytes
SHA-256: 550c27928878eafe66999a12b87a0ee3304202fab3ca5cff4db7cb88f56726a4
font_01_sfnt_off0000e592.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE592 14456 bytes
SHA-256: 8093dc0ac61e38592e31cef4de7584653850a4a0a4da28d7901f4488b66d5f8a

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