Malicious PDF — malware analysis report

Static analysis result for SHA-256 ca7e0213152bd041…

MALICIOUS

PDF

66.7 KB Created: 2021-02-18 18:46:47 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-15
MD5: 98a9fa5a41882427fcdf0c239a1ceab9 SHA-1: 5e10f788130b75fd2c2c46b8849f0472aa4b8b11 SHA-256: ca7e0213152bd041e65f27a31237bc35379f6caa315cf3fc3ce1f1543c743957
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://druttle.ru/wix?keyword=zimmerman+youth+baseball PDF link annotation
    • http://movigakamemik.22web.org/zikidagaj.pdfIn PDF document text
    • https://cdn.sqhk.co/xutazazo/FVatIgj/51687603657.pdfIn PDF document text
    • https://porukugo.weebly.com/uploads/1/3/1/3/131380087/gabinasasevonalelux.pdfIn PDF document text
    • https://cdn.sqhk.co/jarebomu/jeigGTw/magic_the_gathering_tournament_deck_list.pdfIn PDF document text
    • https://lefagetali.weebly.com/uploads/1/3/2/3/132302894/33121b5.pdfIn PDF document text
    • https://cdn.sqhk.co/biluvetizom/8yidgiN/sdge_jobs_san_diego.pdfIn PDF document text
    • https://ponefapu.weebly.com/uploads/1/3/1/6/131637257/5062496.pdfIn PDF document text
    • https://fubuwadedaxas.weebly.com/uploads/1/3/4/8/134897716/fdc5c368f9ce.pdfIn PDF document text
    • https://cdn.sqhk.co/gemesikexo/mohjcib/gixugejuwisused.pdfIn PDF document text
    • http://boguredu.iblogger.org/86064539347.pdfIn PDF document text
    • https://cdn.sqhk.co/gixixutiji/hjcgdMB/the_solar_system_song_lyrics_youtube.pdfIn PDF document text
    • https://cdn.sqhk.co/fapetemiji/ibighhb/big_bang_theory_cast_salary_per_episode_2018.pdfIn PDF document text
    • http://dofuluxaruze.22web.org/british_citizenship_application_form_guide.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/lusegokaves/gitlab_database_incident_report.pdfIn PDF document text
    • http://zufomemibuji.rf.gd/never_going_back_again_guitar.pdfIn PDF document text
    • https://s3.amazonaws.com/jemisajoda/3782910831.pdfIn PDF document text
    • https://s3.amazonaws.com/gonafoziguwewe/94971471802.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_off0000c83c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC83C 5124 bytes
SHA-256: 8ba0360e3d079093ece284eb1ec59ec99dd1d16302a452db5c81cf53a0395897
font_01_sfnt_off0000d980.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD980 10536 bytes
SHA-256: 01f6813d1ec4cd4765eadd4a38b812721b77207105841cafec27b5ddd0f70daa

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