Malicious PDF — malware analysis report

Static analysis result for SHA-256 281eae3fe17a4355…

MALICIOUS

PDF

68.7 KB Created: 2021-03-05 04:52:21 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-15
MD5: 2430b94f6271d7b76cda6b4779a0ac81 SHA-1: ccf47acbae37f167c2640c0bd032e9a9c1e08d58 SHA-256: 281eae3fe17a4355f457d7faf6c672abaae18058dc84c87e64ac6fb972c51f61
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9992

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://seumenha.ru/wix?keyword=pack+n+play+owners+manual PDF link annotation
    • http://eliyalte.com/29432466512skudw.pdfIn PDF document text
    • http://rovexomakegan.22web.org/loctite_222_datasheet.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4409602/normal_601ff13d98275.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4427504/normal_5fedc4c8111eb.pdfIn PDF document text
    • http://ru-1.casa/agency_agreement_nswd6sjs.pdfIn PDF document text
    • http://pedron.fun/65545264262xbjru.pdfIn PDF document text
    • http://boxberry-24.cc/old_christmas_carol_sheet_musicskb3h.pdfIn PDF document text
    • http://lomigizukifomor.22web.org/jeevan_umang_policy.pdfIn PDF document text
    • http://ionatr.space/chambers_asia_pacific_guidelmb54.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://zapidomaxut.epizy.com/womemetowawogepuso.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/479d06c0-312d-4830-b507-5c1d40933071/zefeguwe.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/486ef32a-7525-44c7-a717-ec09dfc54eda/fifty_shades_trilogy_dvd_set.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7abc9ebc-c8b3-4e1a-b22c-3bd7682cd133/tokyo_ghoul_wallpaper_phone_hd.pdfIn PDF document text
    • https://s3.amazonaws.com/kigavanus/petef.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/28458aac-6e2e-4fb7-9afc-edd9cb80dc8a/73852086396.pdfIn PDF document text
    • https://s3.amazonaws.com/dosipive/zenig.pdfIn PDF document text
    • http://ritopagagibuxu.epizy.com/avl_tree_in_data_structure.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/829020ae-a017-4f30-8eb2-369b9daaf850/sharp_aquos_70_led_smart_tv_4k.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c4b3c0fc-bd3c-44e3-a582-8afafb7a8ec8/95105497283.pdfIn PDF document text
    • https://s3.amazonaws.com/safenalavojuwu/65231309143.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f5e78c3b-8c3a-4a78-bedc-d4974f8329cf/vizio_sound_bar_costco_canada.pdfIn PDF document text
    • https://s3.amazonaws.com/zerepuzuze/sotesedos.pdfIn PDF document text
    • https://s3.amazonaws.com/papuja/raxadikigulamiwozajulod.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/2fdb84e9-7a8a-4c7a-8d06-b90cd3209c10/jugululazede.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_off0000d278.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD278 5340 bytes
SHA-256: bf67d1f559688e101f7e49d805459c5445f9c1a628d018368aa3b0b342b8a82e
font_01_sfnt_off0000e4a5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE4A5 9588 bytes
SHA-256: cec39645a38f043710851176fd1b6f3c84f5b409e434a74e608d3de24fc1c9e5

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