Malicious PDF — malware analysis report

Static analysis result for SHA-256 480d072ff70783d7…

MALICIOUS

PDF

75.1 KB Created: 2021-01-30 17:16:02 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: 71d290fe01b3fe8c19f0599e9a50c3fc SHA-1: 5ce12f1d4c17272bc90185c9f56f78c88e5402f1 SHA-256: 480d072ff70783d7fd0788a8932613a7d265718e9d64c6d43287a782e4f52eb1
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://seumenha.ru/123?utm_term=cooks+coffee+maker+reviews PDF link annotation
    • https://vamalogobiw.weebly.com/uploads/1/3/4/6/134696595/jakiv.pdfIn PDF document text
    • http://atomyimperial.ru/maria_woodworth_etter631i7.pdfIn PDF document text
    • http://drilltech.info/scottish_rendezvous_contact_magazine7ml06.pdfIn PDF document text
    • http://my-favshopd.online/balkenmher_reform_715_ersatzteileooftk.pdfIn PDF document text
    • https://pojojupekofep.weebly.com/uploads/1/3/4/7/134754506/wewagaveki.pdfIn PDF document text
    • http://dehydratedoriginalgoodness.com/73550570159o9of8.pdfIn PDF document text
    • https://puxodupewuna.weebly.com/uploads/1/3/0/7/130739405/vifevivupalev_zemiwu_lalube_tozosel.pdfIn PDF document text
    • https://nozoporunetub.weebly.com/uploads/1/3/0/8/130814805/tezowitivo_zewusagoniduga_mobepev.pdfIn PDF document text
    • http://4338bacchus.com/dipamijuzikoludelirejawafuafek.pdfIn PDF document text
    • https://zijunuriv.weebly.com/uploads/1/3/4/8/134892089/bitudomuni_vewoxut_tasetimezef_bigin.pdfIn PDF document text
    • http://weraka.online/pelarewetanuxubepijercjja.pdfIn PDF document text
    • http://ygrash.website/bruce_almighty_watch_onlineeoycb.pdfIn PDF document text
    • http://introdom.ru/gavazegawunasazevisazogo2.pdfIn PDF document text
    • https://dazuzoboda.weebly.com/uploads/1/3/4/0/134017564/nikedufujefa_vasexojobutokel_jabegidogufew_wolirovorus.pdfIn PDF document text
    • https://cdn.sqhk.co/dakuwuwuzije/jhIAEKQ/parkour_stickman_race_game_apk.pdfIn PDF document text
    • https://verakolor.weebly.com/uploads/1/3/1/3/131379730/1de9741d.pdfIn PDF document text
    • https://xomowozijirogap.weebly.com/uploads/1/3/4/6/134667332/a294d2ee.pdfIn PDF document text
    • http://helplnstagramcontact6088756.com/86215119356e8o41.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_off0000ea6c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEA6C 5116 bytes
SHA-256: 80efddc84bcd98c231c942ebac0c9d34beaa6695f70a3504d7ce1e007211d6be
font_01_sfnt_off0000fbce.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFBCE 10660 bytes
SHA-256: 3c6886bb8e71bd919b0c9157a8ea61937f9deee66a2edb675c8133f19bda7048

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