Malicious PDF — malware analysis report

Static analysis result for SHA-256 1ec7e7b523859b22…

MALICIOUS

PDF

70.0 KB Created: 2021-03-03 05:14:00 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-04
MD5: 5890c392c70b431fb62ea34454313eec SHA-1: 26d5d49376fc529fa5ca433083d22abb32ee9048 SHA-256: 1ec7e7b523859b2221453f9ef7f8984d7c9b869629f33a332b6b5336bfe6f565
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://xezojetit.ru/wix?keyword=fl+mobile+apk+uptodown PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4420761/normal_600b542fbcfcb.pdfIn PDF document text
    • http://fudomux.22web.org/zodatuboguzofusota.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4384482/normal_5ff96099b5e39.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4403948/normal_6031cdcbafcfc.pdfIn PDF document text
    • http://ralavalotewo.22web.org/ruvamem.pdfIn PDF document text
    • http://kudopifupelixi.22web.org/kendo_grid_group_row_template.pdfIn PDF document text
    • http://bujufamamaw.22web.org/dana_spicer_axle_parts_manuals.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4427097/normal_601f9980785f5.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4425214/normal_5ffb3148eb49c.pdfIn PDF document text
    • http://tigatixe.iblogger.org/how_to_read_a_nautical_chart.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4475209/normal_5ff756519b00f.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://doroxokile.epizy.com/avira_internet_security_2018_free.pdfIn PDF document text
    • http://jilovin.epizy.com/chess_online_form.pdfIn PDF document text
    • http://nixefafezas.rf.gd/security_guard_training_manual.pdfIn PDF document text
    • http://kebofim.epizy.com/samsung_cable_box_ir_sensor_location.pdfIn PDF document text
    • https://s3.amazonaws.com/xopugup/do_you_have_to_build_evenly_in_monopoly.pdfIn PDF document text
    • http://gozixug.epizy.com/nuzaf.pdfIn PDF document text
    • http://makuwuwamev.rf.gd/armand_maulana_sebelah_mata.pdfIn PDF document text
    • http://tobesonev.rf.gd/66569311459.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_off0000d90e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD90E 5084 bytes
SHA-256: 5dc3473ddf9c9ff9f30f28ee14163700be49928e2f996d6e1913c6c174ce2357
font_01_sfnt_off0000ea54.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEA54 9500 bytes
SHA-256: 8d33917fd7f26a59a0b229b95815246797780f3e789e56b0c79694d78da83f81