Malicious PDF — malware analysis report

Static analysis result for SHA-256 06c98b329cc9c2cb…

MALICIOUS

PDF

73.2 KB Created: 2021-02-27 20:17:05 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-04
MD5: aebf63124e6896dcba4f0f3d8e541fcc SHA-1: 05c5ef816cee71a7d9c664b4af82723e554b4cb6 SHA-256: 06c98b329cc9c2cb29f7019473c7d99cfd3a2bb980d733c59af7502da8064d22
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://pelibifir.ru/wix?keyword=santa%2527s+little+hackers PDF link annotation
    • https://gujavaluzosozu.weebly.com/uploads/1/3/4/0/134013303/6388103.pdfIn PDF document text
    • https://getiwojaxewife.weebly.com/uploads/1/3/4/0/134012456/jadujororegaragej.pdfIn PDF document text
    • https://cdn.sqhk.co/bipuzojafa/PhVii3E/best_125_road_legal_dirt_bike.pdfIn PDF document text
    • https://gamuzajebi.weebly.com/uploads/1/3/4/4/134481120/dbdce9.pdfIn PDF document text
    • https://xuxefakeni.weebly.com/uploads/1/3/4/2/134234722/pavedukomo.pdfIn PDF document text
    • https://mepagalupotope.weebly.com/uploads/1/3/4/2/134265457/21bf524eb93b5f8.pdfIn PDF document text
    • https://cdn.sqhk.co/muligumixe/hf7jjRo/84464914190.pdfIn PDF document text
    • https://cdn.sqhk.co/jelasusoved/bfgL0jd/zuloburuvunak.pdfIn PDF document text
    • https://zitozujenuzudip.weebly.com/uploads/1/3/4/0/134042901/4018984.pdfIn PDF document text
    • https://volokosebu.weebly.com/uploads/1/3/4/8/134871595/2436577.pdfIn PDF document text
    • http://hamlikjorettoop.ru/160648777184acc6.pdfIn PDF document text
    • https://cdn.sqhk.co/lifudidu/91mOj38/56724003328.pdfIn PDF document text
    • https://gawosiluzetur.weebly.com/uploads/1/3/4/6/134631715/pesilawopuxojusuwe.pdfIn PDF document text
    • http://timecodes.net/pemagajojapanopotunuvomgqnt.pdfIn PDF document text
    • http://bettyloustintruckbbq.com/inbound_marketing_plan_template4qqe8.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/zowejunef/julozeji.pdfIn PDF document text
    • https://s3.amazonaws.com/gifojuxaxeva/61582366835.pdfIn PDF document text
    • https://s3.amazonaws.com/kimone/jarukonafevik.pdfIn PDF document text
    • https://s3.amazonaws.com/zufaxepixiguxax/25214517117.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_off0000e32c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE32C 5088 bytes
SHA-256: a187e752b6630d2aa1258bcc5def0d4767268c9c15404cdde073e421bb1c87e6
font_01_sfnt_off0000f472.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF472 10352 bytes
SHA-256: 6c7dcc4f2c39043dc3dcda2de6467e45def576af18603023c2965fe634eca4bf

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