Malicious PDF — malware analysis report

Static analysis result for SHA-256 fb241118732b3617…

MALICIOUS

PDF

75.5 KB Created: 2021-04-29 22:51:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-08-20
MD5: 784cd17db02ec483b0433be4e0869d5f SHA-1: cdeef5c3f65d02a0ab63a2bea1314e479c7af031 SHA-256: fb241118732b36171449470396a3eef2789f0f686ef82fa7e55dd25802965f22
136 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF file was identified as malicious by ML classifiers and ClamAV, indicating a phishing attempt. The document contains an external URI and an SEO redirector link pointing to 'https://gimogu.ru/strik?utm_term=panelview+plus+700+price', which is likely part of a phishing lure. Although no scripts were extracted, the PDF structure and heuristic firings suggest it's designed to trick users into downloading further malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9992

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • 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://gimoguvi.ru/strik?utm_term=panelview+plus+700+price PDF link annotation
    • http://dress-russia.ru/newil3k5f4.pdfIn PDF document text
    • http://nosinoski.shop/sofewumezagadelipijugs08g.pdfIn PDF document text
    • https://cdn.sqhk.co/mowibani/jguhdGK/rawusagagobejozenunota.pdfIn PDF document text
    • http://sdfsdfsdf.shaketorch.com/ruxisedezimaxovujalen.pdfIn PDF document text
    • https://cdn.sqhk.co/gozolosew/ihfiihA/jotapatazozeredalovup.pdfIn PDF document text
    • http://maska-respirator.shop/3169718516689wik.pdfIn PDF document text
    • http://antonioit.space/free_letterheads_templates_microsoft_wordjpgtz.pdfIn PDF document text
    • https://cdn.sqhk.co/nawamuzimosu/TgdaIGW/activesheet_range_autofilter_field_criteria.pdfIn PDF document text
    • http://mebelintera.ru/can_you_sue_someone_for_perjury_in_civil_court_uks47q5.pdfIn PDF document text
    • http://buvavarosavadar.iblogger.org/bin_sachivalay_paper_set_book_2020.pdfIn PDF document text
    • http://itali-big.space/flush_dns_command_android15bjb.pdfIn PDF document text
    • http://trening-ekaterinodar.ru/how_to_pair_two_mini_jamboxrluso.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://witigunakejawi.rf.gd/how_is_bitcoin_mined_for_dummies.pdfIn PDF document text
    • https://s3.amazonaws.com/kudowo/action_bar_android_studio_github.pdfIn PDF document text
    • https://s3.amazonaws.com/fakuguvil/mahatma_gandhi_biography_book.pdfIn PDF document text
    • https://s3.amazonaws.com/lovetijif/88217111170.pdfIn PDF document text
    • http://zibusawaf.epizy.com/30868957556.pdfIn PDF document text
    • http://vavarogusofu.epizy.com/hindu_astrology.pdfIn PDF document text
    • https://s3.amazonaws.com/fuwenoxuzasila/what_does_please_stand_by_mean.pdfIn PDF document text
    • http://sogisujomixugo.epizy.com/xagezavesiselixo.pdfIn PDF document text
    • http://tizovosavudufi.rf.gd/consumer_buying_behavior_notes.pdfIn PDF document text
    • https://s3.amazonaws.com/juvetaso/nivewoxinipuxebazadexuja.pdfIn PDF document text
    • http://watotiwima.rf.gd/how_fast_is_the_2020_shelby_gt500.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

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e747.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE747 5304 bytes
SHA-256: a9970da7884d1cf0beca0c15c78d35d882c66c949bc8224c2cef00a215038cbb
font_01_sfnt_off0000f978.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF978 11460 bytes
SHA-256: 9c91c5b964970cffbe8d42e380677e31126f69e144d8e49681e83fa76c822907

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