Malicious PDF — malware analysis report

Static analysis result for SHA-256 cce1120941128731…

MALICIOUS

PDF

63.5 KB Created: 2021-02-14 10:46:02 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: 3e1b548fdfa827922f56eb22cbddf24a SHA-1: c5cf2afc3879849e1182de139e1849e7c7632676 SHA-256: cce1120941128731ed4dcd104001c3c88320f0414554ca3777c6969e676d4e63
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://crophysi.ru/wix?keyword=sunbeam+sb1818+manual In PDF document text
    • https://cdn.sqhk.co/lawafopugu/hjPGXic/75433226513.pdfIn PDF document text
    • https://cdn.sqhk.co/xiwapusumoge/bxif7Zv/dragon_merge_challenge_22.pdfIn PDF document text
    • https://raguwagoneneza.weebly.com/uploads/1/3/1/3/131384547/diroponodiwil.pdfIn PDF document text
    • https://xuxijirabof.weebly.com/uploads/1/3/1/4/131406659/kugelazodilafulimiji.pdfIn PDF document text
    • https://cdn.sqhk.co/putizimetiwe/hjDxSNm/84043647827.pdfIn PDF document text
    • https://rizizisexulap.weebly.com/uploads/1/3/1/4/131407181/wutefol-zexijal.pdfIn PDF document text
    • https://nevutero.weebly.com/uploads/1/3/4/7/134716167/luriniwowijarusad.pdfIn PDF document text
    • https://cdn.sqhk.co/napumefu/cknijlE/emergency_call_2020_episode_guide.pdfIn PDF document text
    • https://cdn.sqhk.co/xewiliwilax/jThduje/82112713515.pdfIn PDF document text
    • http://zedukibawubige.22web.org/abbyy_lingvo_x6_free.pdfIn PDF document text
    • https://vagewojevibo.weebly.com/uploads/1/3/4/8/134873572/bozozoguzat-gunatugopubaz.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/leteraxewe/pazop.pdfIn PDF document text
    • https://s3.amazonaws.com/wemupajese/cannes_france_tourist_information.pdfIn PDF document text
    • https://s3.amazonaws.com/bifadiwuwileji/lagepuvemamonor.pdfIn PDF document text
    • http://posojorodinu.epizy.com/6330207597.pdfIn PDF document text
    • http://zopezotudesod.rf.gd/99036538683.pdfIn PDF document text
    • http://kodadus.epizy.com/uniforme_barcelona_sporting_club_2019.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_off0000bc6a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBC6A 5224 bytes
SHA-256: a2a02d8ad320ed8ea6a761cb59abe76ebcd18b73f4b90f2ea530223abcb47cd8
font_01_sfnt_off0000ce20.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCE20 9964 bytes
SHA-256: 2b5a6573377db8b8b897c92ab7f4a690b394cf1b87a31ea7e6170690f0a80672