Malicious PDF — malware analysis report

Static analysis result for SHA-256 00a620eb9cf0b56e…

MALICIOUS

PDF

70.5 KB Created: 2021-02-14 17:56:56 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: e680cb4920fd3a16e3be34425bc39e41 SHA-1: 33780a0deddbd427272615de4aa70bb8c4b9875f SHA-256: 00a620eb9cf0b56e2d5bc3051d5cbe77cede6a41c76413824e051ce51c339564
244 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9995

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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.
  • 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://yafferge.ru/wix?keyword=at2020+usb+plus+manual In PDF document text
    • https://cdn.sqhk.co/forexajepusa/egcd7jO/civil_war_battles_in_feb_1863.pdfIn PDF document text
    • https://nipukidifa.weebly.com/uploads/1/3/0/8/130873732/xojif-mifavexijubuxa.pdfIn PDF document text
    • https://cdn.sqhk.co/xizefonuma/FrjPlii/deboroxizedaliguvanidexu.pdfIn PDF document text
    • https://cdn.sqhk.co/zudoputasafe/fgigghd/vumarovovadedaxexakatijud.pdfIn PDF document text
    • https://cdn.sqhk.co/vorebilifi/mLhjP3f/content-_transfer-_encoding_quoted-_printable_outlook.pdfIn PDF document text
    • http://dream-stat.ru/namatoxepubagutuiv5f.pdfIn PDF document text
    • http://gejopuzebizovuk.iblogger.org/64015203816.pdfIn PDF document text
    • http://edarudost.online/27119397903hz8ih.pdfIn PDF document text
    • https://ranetaxute.weebly.com/uploads/1/3/4/8/134886021/88c62af8.pdfIn PDF document text
    • https://cdn.sqhk.co/jaxubefe/jjb1ieE/the_sims_app_cheats_iphone.pdfIn PDF document text
    • https://datagoso.weebly.com/uploads/1/3/4/7/134718767/2164041.pdfIn PDF document text
    • http://rezotu.xyz/xixeramafowafuruvojazamk7yys.pdfIn PDF document text
    • https://cdn.sqhk.co/zanuvajebodu/igAibak/paypal_customer_service_number_live_person.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4373240/normal_6019a0fcde3a2.pdfIn PDF document text
    • https://cdn.sqhk.co/vozevadijut/ijchdic/7219255016.pdfIn PDF document text
    • https://sezokifor.weebly.com/uploads/1/3/4/5/134596047/11eebaaf176e830.pdfIn PDF document text
    • https://jipafedi.weebly.com/uploads/1/3/0/8/130813136/997845.pdfIn PDF document text
    • https://cdn.sqhk.co/xolafunodo/sif2Zin/mineral_wells_wv_homes_for_sale.pdfIn PDF document text
    • https://cdn.sqhk.co/jiwonukunav/eijgcbn/dining_room_wall_decor_ideas_with_mirrors.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • http://fuguduvuduwir.epizy.com/raxebibusi.pdfIn PDF document text
    • http://vakorizu.epizy.com/2018_audi_a4_manual_0-_60.pdfIn PDF document text
    • http://xesivaraxetude.rf.gd/ninobalebojetobugabavavi.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000cd39.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCD39 4880 bytes
SHA-256: 298aea33c049d0911451722d80e0acc83ee2cf8b0ba751e06f0231ca859644fd
font_01_sfnt_off0000dda2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDDA2 9660 bytes
SHA-256: 816e0196ed6ee9c31b08c0acff8977d07b91b8f4b19a09ded054577fb98ff19d
font_02_sfnt_off0000feaa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFEAA 4324 bytes
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3

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