Malicious PDF — malware analysis report

Static analysis result for SHA-256 89c6c6a2ee460c3b…

MALICIOUS

PDF

73.0 KB Created: 2021-02-13 22:05:51 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: 26178642c9a8b691356645fe0c9cf961 SHA-1: a03597edd986c887c0a9fe9b712a711b953efe9f SHA-256: 89c6c6a2ee460c3b8823d7db6ea9e47489137a204f7a386ba6823d979e8efbb5
184 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
  • 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 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=ffxi+smn+guide+2019 In PDF document text
    • https://cdn.sqhk.co/sebutarukaw/ijgaV0c/disney_cruise_line_jobs_salary.pdfIn PDF document text
    • http://nikecortez.net/mepafid5ty7.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4480182/normal_60067773e12b0.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4427781/normal_60151c7569502.pdfIn PDF document text
    • https://cdn.sqhk.co/gogojelawov/jkEgfuM/bodevimivulogogomapuw.pdfIn PDF document text
    • https://cdn.sqhk.co/vujixete/YsMzgPL/falling_in_reverse_songs_download.pdfIn PDF document text
    • http://smallita.space/cartesian_dualism_mind_bodyg703p.pdfIn PDF document text
    • http://giveaway2020.info/690211154249crj8.pdfIn PDF document text
    • http://myluckywin.site/pigajuvobabutaxaxilokalx77pu.pdfIn PDF document text
    • https://cdn.sqhk.co/jasojime/jcLLTh1/3419571621.pdfIn PDF document text
    • http://frontend-developer-azaynullin.site/vexugebegabebebavagutosrwn03.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/galinikagopit/bollywood_movies_2018_all.pdfIn PDF document text
    • http://fiwixowu.rf.gd/allstate_critical_illness_insurance_forms.pdfIn PDF document text
    • https://s3.amazonaws.com/donake/formative_assessment_feedback_template.pdfIn PDF document text
    • http://dupizorof.rf.gd/chicago_bulls_schedule_2019-_20.pdfIn PDF document text
    • https://s3.amazonaws.com/megodipewukitoj/classifying_triangles_practice_answers.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_off0000df52.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDF52 5396 bytes
SHA-256: 76e49abed08eb4f99c4c750073e59a514103836ac781df1a0fc9c4ceacef1017
font_01_sfnt_off0000f1b2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF1B2 11472 bytes
SHA-256: 25f1e6eb23e64a7a1e1808d2759d54faeccdd0d889a94549255e48aa02917843