Malicious PDF — malware analysis report

Static analysis result for SHA-256 07971f0d41c472e5…

MALICIOUS

PDF

71.7 KB Created: 2020-12-15 05:41:07 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-04
MD5: a577073ec4dcc757653517148dad2556 SHA-1: 9cfb788096a7004fef61e21d30a17bdbc7df0bae SHA-256: 07971f0d41c472e5c81fba8815562952dac416a2490b9c00e778fa56e1267977
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 0.9998

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://traffine.ru/123?utm_term=keto+rapid+max+pure PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4408984/normal_5fc949375f2ac.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://static1.squarespace.com/static/5fc3676dc6d96458363207a7/t/5fc538dd3c6ccf69f308a2d2/1606760672809/93565234871.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc304a32e34347c70520823/t/5fc9585e55c920240d175a04/1607030878428/babejomoxemizovo.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbd25392ae44b548da5f930/1606231354229/38597243835.pdfIn PDF document text
    • https://s3.amazonaws.com/bejeseja/synonyms_for_word_guidelines.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc5268be9fc3622d53d9466/t/5fc6a93908845d092476e595/1606854971376/nintendo_switch_bluetooth_headphones_adapter.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/74f24c78-bb65-4b13-baa5-3733b0aec0b3/ramblewood_middle_school_dress_code.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc4cf626609fd0ee7aa7f01/t/5fd746537fc52c206940ec98/1607943764553/fanfare_for_common_man_sheet_music.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc531f011f6a41984a1bae2/t/5fc9430f2f0d8f0c0f69c64d/1607025423699/vawakelapewevajajugit.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc1a7c51c8c741314372d70/t/5fc71d36bfb90028be4a82ee/1606884663416/blood_money_meaning_poppy.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc1480d27a199023ab7f389/t/5fc48957cb3e0f5771e0e0d2/1606715735374/pumudoxedesakireregizelaf.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d2a7fa40-c3e3-439a-b81a-c167be7354c1/galobekisobefusapiv.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc19c025e8e827d4292db12/t/5fce99ec73d3382367cf6461/1607375346725/best_slice_of_life_manga_2019.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000cfae.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCFAE 4708 bytes
SHA-256: d8ba183305f92e0dc0e27ad2d836b75cf7e2c0b5591bfc138a1ffa8bb308e58c
font_01_sfnt_off0000dfb5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDFB5 10852 bytes
SHA-256: 2b64a1d1763b13c979e040b8cd2eef44701dc8f44498e82d0750eeb4d861c665
font_02_sfnt_off0001049d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1049D 4324 bytes
SHA-256: 1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e

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