Malicious PDF — malware analysis report

Static analysis result for SHA-256 0c3ecec6e88daaae…

MALICIOUS

PDF

72.6 KB Created: 2021-03-01 01:18:20 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: 0ef54e90184ae0ee71ebbd5b25ce65aa SHA-1: 920123650a6e160a782fd12f8511d005ec0c7cc0 SHA-256: 0c3ecec6e88daaae3fe4e6d49714ec12ab7d663e39ded5db76a7e6a9451a2b97
136 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • 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://golowaki.ru/wix?keyword=abyssrium+hack+tool+apk PDF link annotation
    • http://uspeh.icu/200676244124yzfn.pdfIn PDF document text
    • http://yachts-4-sale.com/descargar_antivirus_nod32_gratis_lic74ffd.pdfIn PDF document text
    • http://gufutaca6.xyz/fanugigidisiwugazebgi817.pdfIn PDF document text
    • http://rowowevu.mypressonline.com/apc_back_ups_550_software.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4500453/normal_602d5a5a3a911.pdfIn PDF document text
    • http://fasekafalig.scienceontheweb.net/51860883326.pdfIn PDF document text
    • http://form-copyrightservices.com/75851872757vg67v.pdfIn PDF document text
    • http://bezprovodov.guru/principal_of_agronomy_book24560.pdfIn PDF document text
    • http://jekefidaz.mygamesonline.org/pefalalatifomapizuzefubus.pdfIn PDF document text
    • http://sunakijabe.sportsontheweb.net/jbl_eon_615_owners_manual.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4482027/normal_601c600ebc8d1.pdfIn PDF document text
    • http://quickstore.pro/43909206586mt2mh.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4421042/normal_602e43fa64aa5.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/xupovobejanam/bombich_carbon_copy_cloner.pdfIn PDF document text
    • https://s3.amazonaws.com/xotomisen/neato_botvac_d85_service.pdfIn PDF document text
    • https://s3.amazonaws.com/kegovev/95671865114.pdfIn PDF document text
    • https://s3.amazonaws.com/ganubifirigevi/jojigemilizitopigul.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_off0000e096.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE096 5468 bytes
SHA-256: 0cb14e803ec5885d6e1f6f54fae728a49f7144acc0d31797d9336514b34c39c5
font_01_sfnt_off0000f306.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF306 9948 bytes
SHA-256: 586e84c51fc9ab8c0c04c5f4331df8abad4ef252e11db25f2f62a03c7c59ebda