Malicious PDF — malware analysis report

Static analysis result for SHA-256 2e30ab7023a01ff2…

MALICIOUS

PDF

69.0 KB Created: 2021-02-20 03:19:17 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-22
MD5: 034622c3eae22afad2714e394fdbef89 SHA-1: 6805807fe6ac2f3203fff080e15667b36cdc633f SHA-256: 2e30ab7023a01ff2b6ef3331e7c0baa4e48f1722d7f6427539aeeca257302011
156 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains numerous external links, with a critical heuristic identifying it as a link farm. One of the primary external URIs, 'https://maypoin.ru/wix?keyword=genie+model+2028+installation+manual', suggests a lure related to installation manuals. The ClamAV detection and ML classifier strongly indicate malicious intent, likely for phishing or malware distribution. No scripts were extracted, but the PDF structure itself is used to host and link to malicious content.

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 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.
  • 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://maypoin.ru/wix?keyword=genie+model+2028+installation+manual PDF link annotation
    • https://jijobowuzum.weebly.com/uploads/1/3/4/5/134590228/5a7f2abeadfb8.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4485448/normal_5ffcf6699e1ae.pdfIn PDF document text
    • https://cdn.sqhk.co/wixexozesila/KGjc0ha/samsung_gallery_apk_for_huawei.pdfIn PDF document text
    • http://bowoporoj.iblogger.org/hochtief_annual_report.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4370263/normal_5fcb4878366ca.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4367271/normal_5ff4c6b731ae7.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4383146/normal_5fe836dc2e079.pdfIn PDF document text
    • https://cdn.sqhk.co/zupitefa/eh8Ajbh/demon_slayer_rpg_2_wiki_map.pdfIn PDF document text
    • https://cdn.sqhk.co/tebefaravuz/ijhgghc/2779238514.pdfIn PDF document text
    • https://cdn.sqhk.co/bomumuxa/ggihijV/lujubumofewexaranituxajib.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/desenaz/bailando_enrique_iglesias_mp4.pdfIn PDF document text
    • https://s3.amazonaws.com/gumagabu/ross_tech_vcds_lite.pdfIn PDF document text
    • http://bexiponezewan.rf.gd/sutofaforafuwawupagitasap.pdfIn PDF document text
    • https://s3.amazonaws.com/vukumesoj/fijamebalegawunijotora.pdfIn PDF document text
    • https://s3.amazonaws.com/xapidajovaji/rocket_league_ps4_free.pdfIn PDF document text
    • https://s3.amazonaws.com/juvosi/rental_agreement_format_form.pdfIn PDF document text
    • https://s3.amazonaws.com/donukadizolin/64482312534.pdfIn PDF document text
    • https://s3.amazonaws.com/vefagotoje/credit_bureau_report_online_uae.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_off0000cf61.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCF61 5376 bytes
SHA-256: c3899cbdfc83a73dc6bccefcd11c0a69a8e5c71bad8656048145fdf4249ee851
font_01_sfnt_off0000e197.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE197 10416 bytes
SHA-256: 03195cbe35817e9f449ef014c4adf1c7d1e6092c7983f3c4d8261bea7d49a4e2

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