Malicious PDF — malware analysis report

Static analysis result for SHA-256 2cc06f476f0c2bd6…

MALICIOUS

PDF

71.1 KB Created: 2021-03-04 06:42:38 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: a126aca49952484fed591d665ad1c8be SHA-1: 9b0c1c19cdc029ecbc6bf5a9e4ddd1357b66b4ca SHA-256: 2cc06f476f0c2bd6fd00d32a993d34e580699425d84c2bf820931a4e4a5ae97c
96 Risk Score

Malware Insights

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

The PDF contains an embedded URI that directs users to a URL associated with phishing content, masquerading as a book search result. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware distribution. No scripts were extracted, but the presence of a malicious URL suggests the document's purpose is to redirect the user to a harmful site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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://maypoin.ru/wix?keyword=tina+fey+book+pdf
    • http://flash-sar.online/what_is_the_point_of_view_of_the_true_story_of_the_three_little_pigs3fkv6.pdf
    • http://pop-marketplace.ru/dentures_and_demons_guidevgcos.pdf
    • http://7gusevshop.website/android_os_update_june_2019jop5w.pdf
    • http://ruvaruvifovuk.iblogger.org/yadav_brand_song.pdf
    • http://onsideball.info/bachelor_diploma_template1524g.pdf
    • http://reduslimitalia-ufficiale.site/ask_ryan_levesque_downloadw23ae.pdf
    • http://usacreditreport.info/33841673363cimlw.pdf
    • http://sunny-web.ru/ray_bradbury_theatre_best_episodes9z2aa.pdf
    • http://m-ryanaf.site/adobe_flash_player_chrome_windows_10h7chh.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://movetikopuvus.epizy.com/diccionario_latn_espaol_con_pronunciacin.pdf
    • https://s3.amazonaws.com/sefepugolupalax/guideline_value_streetwise_chennai.pdf
    • https://s3.amazonaws.com/lokijuronig/cqu_harvard_referencing_guide_2019.pdf
    • https://s3.amazonaws.com/fidefofudi/ferrari_california_for_sale_houston.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_off0000d9ed.bin
da418725bf8e2d3d4218ce37f3f09ac071a61aa157c73804e07078bd4c68be94		 pdf-font-stream PDF embedded font (sfnt) at offset 0xD9ED 4984 bytes
font_01_sfnt_off0000eb03.bin
c949eab0f3c955d29b388b49967537e45483e73b2644b075cad3fd75e9afbd26		 pdf-font-stream PDF embedded font (sfnt) at offset 0xEB03 11000 bytes

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