Malicious PDF — malware analysis report

Static analysis result for SHA-256 674ec5ef9cd87efa…

MALICIOUS

PDF

67.5 KB Created: 2021-03-03 04:15:57 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-10
MD5: 45d4a6e8c9533d08796a8876b02c2548 SHA-1: 808d08e14540543d667392adeaa86bd7707cc239 SHA-256: 674ec5ef9cd87efa604e33073e83080b1da50e052bce3b27a472e68191f5811a
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
  • Brand-impersonation credential phishing lure critical SE_BRAND_CREDENTIAL_PHISH
    Document impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: action link to abused redirector https://jazejuvo.weebly.com/uploads/1/3/4/4/134439384/8a2934.pdf.
  • 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://mezovuduw.ru/award?keyword=the+giver+chapter+8+quiz PDF link annotation
    • https://cdn.sqhk.co/xavonepez/ahfzhh8/automower_connect_software_update.pdfIn PDF document text
    • http://laluwaraselolar.mywebcommunity.org/how_to_generate_normal_in_matlab.pdfIn PDF document text
    • https://cdn.sqhk.co/mezutowede/7jifqic/vezatezebomofalane.pdfIn PDF document text
    • http://botodowur.iblogger.org/26761377026.pdfIn PDF document text
    • http://kurametugugu.mygamesonline.org/poulan_pro_leaf_blower_replacement_parts.pdfIn PDF document text
    • http://zobotalemogi.sportsontheweb.net/11466205717.pdfIn PDF document text
    • https://jazejuvo.weebly.com/uploads/1/3/4/4/134439384/8a2934.pdfIn PDF document text
    • http://bimiwefumukiv.22web.org/70817707467.pdfIn PDF document text
    • https://cdn.sqhk.co/firataxoworo/hiVhcCe/logaxopib.pdfIn PDF document text
    • https://resagivet.weebly.com/uploads/1/3/1/3/131383325/xevuxixo_fepusaji_josulufesepabik.pdfIn PDF document text
    • https://cdn.sqhk.co/fenazijeguk/hlmih3u/dibowafarufonetifapobipe.pdfIn PDF document text
    • https://miremawa.weebly.com/uploads/1/3/4/6/134631892/8343407.pdfIn PDF document text
    • https://garowowo.weebly.com/uploads/1/3/6/0/136033653/5485444.pdfIn PDF document text
    • http://sigifiketatoge.22web.org/49888539330.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://pumatelikowe.epizy.com/punch_drink_pictures_free.pdfIn PDF document text
    • http://pikubub.onlinewebshop.net/57303328227.pdfIn PDF document text
    • http://kamegil.epizy.com/sample_business_plan_powerpoint_template.pdfIn PDF document text
    • http://sitafefisoju.atwebpages.com/members_mark_grill_instruction_manual.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_off0000cc5e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCC5E 5364 bytes
SHA-256: 8e5b5972c26aee3fe7917c37899fab1501715c774664717eaa4a7377833a69b1
font_01_sfnt_off0000dead.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDEAD 10100 bytes
SHA-256: a7a6e6f30be2d3c6b7f09cce70d344a63938be9d994c14e8c966c83de8dcf73b