Malicious PDF — malware analysis report

Static analysis result for SHA-256 97419bde0e6e2eed…

MALICIOUS

PDF

78.2 KB Created: 2021-03-21 22:34:56 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-22
MD5: 20c413cc438b4ba68095144796ee3fa1 SHA-1: 8c048f5e552bb4f28272d70f11f9995a63a11097 SHA-256: 97419bde0e6e2eed79582dac294efe76d39eae46d7a9017eaf2b739759a19fa4
96 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9993

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://seumenha.ru/123?utm_term=beautiful+flower+bouquet+images PDF link annotation
    • http://pakawuwujawo.getenjoyment.net/3619714341.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4491687/normal_5fddafd353733.pdfIn PDF document text
    • http://gikafowezogupij.mywebcommunity.org/caperucita_roja_con_imagenes.pdfIn PDF document text
    • https://cdn.sqhk.co/bitomasijelo/KAVQjeM/52472925792.pdfIn PDF document text
    • https://cdn.sqhk.co/tevenijubuso/whhphih/dark_souls_3_sorcerer_build_guide.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4413374/normal_5fdb11890666e.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4388046/normal_5ff281506612a.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4413455/normal_6049e6b715a0c.pdfIn PDF document text
    • https://cdn.sqhk.co/nakizenonetu/Xz3RWge/javexetunipupiranudom.pdfIn PDF document text
    • https://cdn.sqhk.co/gilubibawi/ji2QggU/31391030146.pdfIn PDF document text
    • http://jomikifu.medianewsonline.com/ogilvy_on_advertising_quotes.pdfIn PDF document text
    • http://dodajavux.scienceontheweb.net/youtube_top_dance_music_2020.pdfIn PDF document text
    • https://cdn.sqhk.co/xivovido/jdgih6A/63334692524.pdfIn PDF document text
    • http://zefujixa.mywebcommunity.org/lawavowosop.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/nagudo/47505927764.pdfIn PDF document text
    • https://s3.amazonaws.com/kujesulad/android_developer_bluetooth_api.pdfIn PDF document text
    • https://7a579b3f-ce96-4c66-abdc-991530493d29.filesusr.com/ugd/010c6b_17468757c1c14bdcb45ab4b12e804e55.pdf?index=trueIn PDF document text
    • http://pekowob.onlinewebshop.net/72405057049.pdfIn PDF document text
    • https://s3.amazonaws.com/suximawo/28922693186.pdfIn PDF document text
    • https://6f2fb29c-15f2-4b08-b525-3eb91a7f0a41.filesusr.com/ugd/c3548c_9446195ab8994779967719211d023387.pdf?index=trueIn PDF document text
    • https://ba30dffa-51fe-4caa-9472-6f142403a9bb.filesusr.com/ugd/c2007e_83a89a94fafd4a85bd80a67a4f283465.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/zevutebulaworel/timex_ironman_r300_gps_watch_-_2020.pdfIn PDF document text
    • https://s3.amazonaws.com/zunewidimem/food_in_ancient_egypt.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_off0000f414.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF414 5496 bytes
SHA-256: 321cc750d5ecc45d7b3e2c9c8e1a2bab1505f445983535d59fa5eb19021a3509
font_01_sfnt_off000106c4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x106C4 10836 bytes
SHA-256: cdbd465821bcbbb31d5f9eb6cf1fe6aa8b80a744b2c606358fca09177b137b92

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