Malicious PDF — malware analysis report

Static analysis result for SHA-256 fe9ad92a69ba56e7…

MALICIOUS

PDF

83.3 KB Created: 2021-04-27 00:41:40 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-20
MD5: ded142d0877da3ee96af8ba8576be80e SHA-1: 6fc7e98adf5053fd24f304c954f01ac2b1aca724 SHA-256: fe9ad92a69ba56e7fc4c30ea6582d82b89ba1588eb49c66f070a716cb9248fc6
176 Risk Score

Malware Insights

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

The PDF contains numerous external links, many of which are SEO-themed and point to potentially malicious domains. One prominent URL, 'https://soxebez.ru/strik?utm_term=toshiba+satellite+l775d-s7132+price', suggests a lure related to product pricing. The presence of ClamAV detection and ML classification as malicious, along with the 'PDF_SEO_LINK_FARM' heuristic, indicates a high likelihood of this document being used for phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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.
  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
  • 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://soxebez.ru/strik?utm_term=toshiba+satellite+l775d-s7132+price PDF link annotation
    • http://liwitesuzemumex.sportsontheweb.net/john_deere_42_inch_snowblower_manual.pdfIn PDF document text
    • http://probmaka.tech/happy_birthday_bhai_statusnjyce.pdfIn PDF document text
    • http://copyrightviolationcenters.com/ladumaboduw722tz.pdfIn PDF document text
    • http://moneymaya.site/how_to_get_tv_code_for_samsung_tvszqy1.pdfIn PDF document text
    • http://nulivanofika.mygamesonline.org/jumeviduxikori.pdfIn PDF document text
    • http://bella24.xyz/boogeyman_2_game_freeqzhc3.pdfIn PDF document text
    • http://raisinshub.club/how_to_build_a_timeless_homeh2jxb.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/kuxuxemu/tvs_apache_180_image.pdfIn PDF document text
    • http://susabumo.atwebpages.com/nora_roberts_books_list_in_order.pdfIn PDF document text
    • https://s3.amazonaws.com/muvemasoxaji/74239731044.pdfIn PDF document text
    • https://s3.amazonaws.com/jevelel/56295794829.pdfIn PDF document text
    • https://s3.amazonaws.com/godewumazek/blepharitis_patient_uk.pdfIn PDF document text
    • https://47a25507-5c4f-4e73-9b7c-0c49514c8174.filesusr.com/ugd/e00bd3_4664e9c94ca14c118d9e48e6558f9ec3.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/werowibovezoje/amigurumi_tutorial_for_beginners_uk.pdfIn PDF document text
    • https://b1b0174c-961c-4936-87f6-765e1132391e.filesusr.com/ugd/6cf804_88a598cfc1124428942343f80e1d1ce8.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/pozokimepe/vogenivegapasobimo.pdfIn PDF document text
    • https://s3.amazonaws.com/pegozegi/andorra_ski_resort_guide.pdfIn PDF document text
    • https://s3.amazonaws.com/mokixetat/instagram_photos_and_videos_android.pdfIn PDF document text
    • https://s3.amazonaws.com/jotizifime/all_about_me_poster_template.pdfIn PDF document text
    • http://tirisesu.onlinewebshop.net/i_believe_in_a_thing_called_love_guitar_tab.pdfIn PDF document text
    • https://7fc1e5b2-1dd8-4457-9de2-3dea1ab9f589.filesusr.com/ugd/fedd61_f8086a8380de45a9b5a8501dccb54331.pdf?index=trueIn 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_off000103f2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x103F2 5832 bytes
SHA-256: bd1c14e6b125ae44808a42dd2b68909caa91cac506bcf33be2e58c1ba0c3f1be
font_01_sfnt_off000117db.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x117DB 11832 bytes
SHA-256: 18d5a5ca39da6686253af5bf98b489c4be6725fe3d9e42d5126996be5c03d4e0

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