Malicious PDF — malware analysis report

Static analysis result for SHA-256 5eaa6c962d4c763d…

MALICIOUS

PDF

78.7 KB Created: 2021-03-05 06:52:04 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: e828450257978e5bf8e1be7f6af15ea0 SHA-1: 286dc7566519e12fe154fc39719093ce85916a17 SHA-256: 5eaa6c962d4c763d9ef612be708733edf772e4a14116b29288dfcafcf7c91dc5
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://nipisod.ru/strik?utm_term=how+much+does+international+courier+cost PDF link annotation
    • https://cdn.sqhk.co/joxipadij/hfwBie4/xizopebigi.pdfIn PDF document text
    • http://gosepakaf.getenjoyment.net/lemunugupixefax.pdfIn PDF document text
    • http://rapoxarawiwalo.sportsontheweb.net/guvanepes.pdfIn PDF document text
    • http://levotavo.scienceontheweb.net/fivuvajit.pdfIn PDF document text
    • https://cdn.sqhk.co/furafurume/7OnozlP/mod_maker_for_minecraft_pe_free_download.pdfIn PDF document text
    • https://memezuwiz.weebly.com/uploads/1/3/4/7/134702577/4f9ddc0c8b9.pdfIn PDF document text
    • https://ronupajowosoza.weebly.com/uploads/1/3/4/8/134871490/fcff4c78d.pdfIn PDF document text
    • http://safijejog.mygamesonline.org/their_eyes_were_watching_god_chapter_10_quotes_and_analysis.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://7f993087-45f6-41f4-96e5-9dcaca18fb91.filesusr.com/ugd/9a92dd_7e28b37139c642b58a37f08e9fcf86d4.pdf?index=trueIn PDF document text
    • https://48b7024d-7414-4593-b44d-ed892b96ad15.filesusr.com/ugd/3e5db3_487884e6adf84c3a80513d1fe47dcd25.pdf?index=trueIn PDF document text
    • http://divogidiguxofib.epizy.com/what_about_angels_piano_notes_for_faded.pdfIn PDF document text
    • https://6b137298-3864-41c5-aaa3-11744000c3c2.filesusr.com/ugd/b916f4_4c2cf74a8a474566819819c3b3cd2c49.pdf?index=trueIn PDF document text
    • https://67d298e0-85f4-4ad4-bf36-e1ac857e42fc.filesusr.com/ugd/b6bf5b_e6615d6f0c5c42ad8eda6e1fd877c76c.pdf?index=trueIn PDF document text
    • https://8bd0dbf5-62e0-4684-a95a-1d9666dfa34a.filesusr.com/ugd/e71694_5b9efa1261334df4b0e7a9fcd6d17590.pdf?index=trueIn PDF document text
    • https://feedbc21-cb93-402c-9ae2-3476589645d2.filesusr.com/ugd/f3ecbe_749de2e0b8074561a6c237a80e314aa9.pdf?index=trueIn PDF document text
    • https://4ad55601-b8ab-4ae0-bc0e-e90069072326.filesusr.com/ugd/3aca14_73730edc7178466b943de0f3f9df2133.pdf?index=trueIn PDF document text
    • http://fiteromuroxunu.epizy.com/20015231934.pdfIn PDF document text
    • http://tuparibuju.atwebpages.com/21858644643.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_off0000f57f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF57F 5232 bytes
SHA-256: 4b28c9fef9b2f8f6a6254f485e36e8da6369ad802223c53c073b944d2c927822
font_01_sfnt_off0001072c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1072C 11452 bytes
SHA-256: 5910964ca64ca0e6ad2d6994a3b12be814bacdebc659a8835ed3b546bf26c78e

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