Malicious PDF — malware analysis report

Static analysis result for SHA-256 6f80c08b58cddb84…

MALICIOUS

PDF

78.3 KB Created: 2021-03-24 17:10:49 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 9ee90e102ae2f25e6a180286940a1f1d SHA-1: 9124904d69d837b9adc6e87ab44ce85ad7853198 SHA-256: 6f80c08b58cddb84decb71fed80582244ff5e2b54a3819c14d89a94c6d066fdb
96 Risk Score

Malware Insights

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

The PDF file contains an embedded URL that points to a suspicious domain, identified by heuristics as a potential phishing or malware distribution vector. The ML classifier and ClamAV detection strongly indicate malicious intent. Although no scripts were explicitly extracted, the presence of external URIs and the overall classification suggest the document is designed to redirect users to malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9957

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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/wix?keyword=circle+dance+floor
    • http://wokodanib.getenjoyment.net/valeraxubazaze.pdf
    • http://s7hmus.org/faweliwupalifewesllv70.pdf
    • http://mini-cam1.club/gamizana3h15j.pdf
    • http://zathkatow.xyz/22545474871cpsa4.pdf
    • http://fanewixijek.22web.org/annuity_present_value_table.pdf
    • http://dazavaluk.mygamesonline.org/31929976869.pdf
    • http://lnstagramoriginal.com/good_words_to_describe_bad_weatherpzyyf.pdf
    • http://teasmall.space/sony_ht-ct770_remotez3w6u.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://uploads.strikinglycdn.com/files/087b8452-4486-4805-9f05-9927d0622380/baby_jogger_city_mini_gt2_double_pram_review.pdf
    • https://uploads.strikinglycdn.com/files/2cbbc0e7-6d13-4a9a-89ed-eb4c47125c65/30130342748.pdf
    • https://uploads.strikinglycdn.com/files/8096fa72-296d-4460-9e5b-8f28385a6994/fimidonogudiguwuw.pdf
    • https://uploads.strikinglycdn.com/files/caf15c2b-e905-456f-9159-68a524b0439a/gujexevox.pdf
    • https://uploads.strikinglycdn.com/files/1da9386a-bdff-4062-ae73-b981be02dc1a/stock_market_technical_analysis_in_telugu.pdf
    • https://uploads.strikinglycdn.com/files/cc4e2f3e-015a-4e77-b3b7-b50da3077e0f/limimad.pdf
    • https://uploads.strikinglycdn.com/files/1e1057cf-07bd-4c1d-8e7a-c7764c96a447/mythic_odysseys_of_theros_satyr_race.pdf
    • http://davaroka.rf.gd/the_top_five_regrets_of_the_dying_a_life_transformed_by_the_dearly_departing.pdf
    • http://timagugovoxo.onlinewebshop.net/11027011546.pdf
    • https://uploads.strikinglycdn.com/files/7b20504f-d4ca-4745-acd3-3097e4711753/pudos.pdf
    • https://uploads.strikinglycdn.com/files/3373d06f-fd8e-49ce-b8a3-b089c085bde2/nitubabin.pdf
    • https://uploads.strikinglycdn.com/files/d55466b3-e2de-48ac-bff8-828d771bb9e6/commas_and_semicolons_worksheet_with_answers.pdf
    • http://zobidixit.epizy.com/jovopixukomosame.pdf
    • https://uploads.strikinglycdn.com/files/9b2ad001-baf7-402b-bd35-1b87beab6be8/23436149152.pdf
    • http://luregaw.onlinewebshop.net/gunoxivibofewedinaf.pdf
    • https://uploads.strikinglycdn.com/files/cbb40600-9f35-426c-b033-71badce2b255/inspirational_life_quotes_for_him.pdf
    • https://uploads.strikinglycdn.com/files/fa1fdd9f-9df9-445b-92ac-47f858ce9347/chocolate_dachshund_puppies_cost.pdf
    • http://sutexuvidag.myartsonline.com/83002835337.pdf
    • https://uploads.strikinglycdn.com/files/fa23f75c-07cb-4acc-b33e-c6703d550be6/31763228463.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/
    • http://scripts.sil.org/OFL

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000f56d.bin
62d9b763acfd432138100f72b299c161e6f647ca51e2d2a23c45d1d245ab71da		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF56D 4740 bytes
font_01_sfnt_off00010599.bin
28c7b8e23bf4a0d8ff0794c822297e46329f56e92ea6884f188718dabfdd9a20		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10599 11308 bytes

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