Malicious PDF — malware analysis report

Static analysis result for SHA-256 9084ed316d873608…

MALICIOUS

PDF

70.1 KB Created: 2021-02-27 11:54:23 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: 45f2936e50707e944ff6358336a200aa SHA-1: 7154a13bdf2d460f398ad4d356ed5f2b92e8dcf1 SHA-256: 9084ed316d873608f5c8e9bcda3b941ba1529b2d0a288609af2c5a4478f3a184
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://dugedepap.ru/aws?utm_term=treasurer+report+template+excel PDF link annotation
    • http://juilopkiretlo.ru/bone_matrix_coloring_worksheet_answersvni9j.pdfIn PDF document text
    • http://1xbets-reg.site/83121954060han4m.pdfIn PDF document text
    • https://wipomozexabezi.weebly.com/uploads/1/3/0/7/130776841/gifase-genurexapimek-vomevor-zizorevetenox.pdfIn PDF document text
    • https://delazodudiz.weebly.com/uploads/1/3/4/5/134591817/bojuwewixaketi_serizanuxuso_kijumezixo.pdfIn PDF document text
    • http://smotrikino.fun/av-2011_antenna_manualfe4yi.pdfIn PDF document text
    • https://metenesepagozo.weebly.com/uploads/1/3/4/7/134710396/fb75f57c56e1bc.pdfIn PDF document text
    • http://luchdobro.site/3341165579071zve.pdfIn PDF document text
    • http://triple-doska5.club/epic_seven_wikiazlio6.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4409403/normal_602bda4c140c4.pdfIn PDF document text
    • https://bamufikike.weebly.com/uploads/1/3/1/6/131606241/3f007.pdfIn PDF document text
    • https://zuxosudeti.weebly.com/uploads/1/3/4/3/134359900/nevovedunawa.pdfIn PDF document text
    • http://znakomstva18x.site/wotaxemonukekatev373rs.pdfIn PDF document text
    • https://rogefuza.weebly.com/uploads/1/3/4/6/134688393/f6d447d14.pdfIn PDF document text
    • http://zufabud.22web.org/biogas_plant_working.pdfIn PDF document text
    • https://govonomuvilikiw.weebly.com/uploads/1/3/4/6/134620083/dufipul.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn 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_off0000d68e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD68E 5096 bytes
SHA-256: 5bf8cfd324ad2636bf7c5b3f101f349ee0107be30162bde3659c66521a441b64
font_01_sfnt_off0000e7d1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE7D1 10508 bytes
SHA-256: f7cf1e4bbb55f01db1bb048153d8f2356c84eee749b4cc65d7ab6cf592f04f13