Malicious PDF — malware analysis report

Static analysis result for SHA-256 ae45de58b702c30c…

MALICIOUS

PDF

114.5 KB Created: 2020-12-02 23:37:33 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-04
MD5: f059fa50d84d19eb2cb8484e75edf016 SHA-1: dd6e366ed30b677a05cae4c268d1a87f479cf938 SHA-256: ae45de58b702c30c7ada2fe7034b6005a19552f93064bce81da482f1434f8122
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 0.9995

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://trafffe.ru/aws?utm_term=wow+classic+druid+leveling+guide+ign PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4382617/normal_5fb680d033372.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4409811/normal_5fb74ea2f1bd3.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/wuniku/24510384368.pdfIn PDF document text
    • https://s3.amazonaws.com/purawuma/national_history_bee_study_guide_middle_school.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/de699a4f-168e-4c43-b2ed-47dcf323501f/telokat.pdfIn PDF document text
    • https://s3.amazonaws.com/livivuvuwugeb/daradapepigijet.pdfIn PDF document text
    • https://s3.amazonaws.com/somamere/present_central_ministers_of_india.pdfIn PDF document text
    • https://s3.amazonaws.com/lakujusitejojet/bio_data_form_for_job_application.pdfIn PDF document text
    • https://s3.amazonaws.com/xelimewat/street_dancer_song_varun.pdfIn PDF document text
    • https://s3.amazonaws.com/babuxufarizuxur/reverse_fmea.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c8fe816e-a529-41e8-9464-8a839d926133/dynasty_warriors_psp_games.pdfIn PDF document text
    • https://s3.amazonaws.com/lovomijelun/armani_collezioni_size_guide_uk.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00016a32.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x16A32 3176 bytes
SHA-256: 2ef9c33450dffe56aaa42c6660e7698899b6a3c11a2fd477cd48787bce7049f8
font_01_sfnt_off00017588.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x17588 5272 bytes
SHA-256: 576927bd79a5740c07f2ed8c68bb52ff9bafd646361e1808d0a41211afbf81b3
font_02_sfnt_off0001879a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1879A 2116 bytes
SHA-256: 33d80b5e357abfa3ea91f5eff18928953f8e36d8e9a7aea158c838e8ae756dd9
font_03_sfnt_off00019164.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x19164 12472 bytes
SHA-256: 37fb4ee212891ec9f2d4e6baa713ddadc4ed79aee5b233e68cd99d6abad2b7cb

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