Malicious PDF — malware analysis report

Static analysis result for SHA-256 0010e0f74cf1072e…

MALICIOUS

PDF

76.3 KB Created: 2021-03-11 13:49:42 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-04
MD5: 7c604a2fad187c578b02c9ad32e65bd4 SHA-1: 04f2bccd8045db105b30648c10e16f0ed1e45401 SHA-256: 0010e0f74cf1072e3319e40cc115341535a01d4eb6fb94dc5a1505bb79dcc16a
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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
  • 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.
  • 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=monster+hunter+generations+bow+guide PDF link annotation
    • https://cdn.sqhk.co/rifebonapesi/g3Khbhg/ixl._com_6th_grade_language_arts.pdfIn PDF document text
    • https://cdn.sqhk.co/dederubap/ib8z2jc/radio_rock_one.pdfIn PDF document text
    • https://cdn.sqhk.co/fagaxirupunu/jbhbibY/gezuxoruvapa.pdfIn PDF document text
    • http://bodibuburotegi.22web.org/sap_bpc_reporting_training.pdfIn PDF document text
    • http://samozanyat.info/359455212079a8ge.pdfIn PDF document text
    • http://reduslimitalia-oficial.site/duo_therm_rv_ac_partsccjhq.pdfIn PDF document text
    • http://fastpysystem.online/12108153103m73na.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/28feafa1-c865-409e-85a2-12b0fc160a1e/nutatavivebega.pdfIn PDF document text
    • https://37bdae34-bb2f-403f-997c-54a7c09d9c06.filesusr.com/ugd/dc98cc_ba1da5bf0f5b4200ae37707b59fb0747.pdf?index=trueIn PDF document text
    • https://ab25a8b3-4d80-4d4b-93a1-c1347014fa7c.filesusr.com/ugd/8d0191_db926708a2064537815b79e1a5c1def8.pdf?index=trueIn PDF document text
    • https://uploads.strikinglycdn.com/files/65c0eb13-704d-4271-b9ea-bda194ff4e1f/52972580344.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7405b4ba-8944-4608-8a84-3aac197b35c5/rivivurikubovatezegej.pdfIn PDF document text
    • https://s3.amazonaws.com/wutezigojuxi/hollow_knight_steam_community_guide.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c59e4a2e-dbe9-42c1-91dc-bce4b1a9e1ec/free_english_learning_school_near_me.pdfIn PDF document text
    • https://s3.amazonaws.com/wapabefizosumi/sexukal.pdfIn PDF document text
    • https://7afd96e6-4611-46d4-9b98-d111b897c281.filesusr.com/ugd/154221_f3655d2fed844d6080384dea6f2bbe1c.pdf?index=trueIn PDF document text
    • https://d4996ccb-aecf-47c4-aab6-3c4fe022e1b7.filesusr.com/ugd/b7ed05_1f461e248cf540b7a22141be2afdb508.pdf?index=trueIn PDF document text
    • http://kujafugakare.epizy.com/casio_collection_aq-s800wd-1evef.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_off0000ee02.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEE02 5292 bytes
SHA-256: dd26cafb180c9e8e4a377cd5d7403db154472d841713c701abf33e8d0c68b425
font_01_sfnt_off00010013.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10013 10516 bytes
SHA-256: 21f82bb9144a48ab7da410606d98e2c5c5cfad676619d125c831060a7f92909c

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