Malicious PDF — malware analysis report

Static analysis result for SHA-256 208f0faa4a83ec07…

MALICIOUS

PDF

78.7 KB Created: 2021-02-28 04:43:03 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-18
MD5: 64822c549276ac0d1b7affd320a52dae SHA-1: 107fa4e14b8d8d6189fe7216d8411e1ee79460cb SHA-256: 208f0faa4a83ec07b7160ddfe5adfe7bd3f743b85d97313336d42869894000f3
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 0.9997

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://resalured.ru/strik?utm_term=what+are+the+textures+in+music PDF link annotation
    • http://nebofimanigi.sportsontheweb.net/a_time_to_kill_movie_download.pdfIn PDF document text
    • http://zisuroto.mygamesonline.org/26949038902.pdfIn PDF document text
    • https://cdn.sqhk.co/suxavawudomo/WI2ge9U/6376864320.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4426550/normal_5ff899471fa05.pdfIn PDF document text
    • https://cdn.sqhk.co/naludibeg/Fz2Tbhb/waze_apple_watch_2018.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4384296/normal_60078d94c7b32.pdfIn PDF document text
    • https://cdn.sqhk.co/wogirujut/fjhb6T9/blockly_app_for_chromebook.pdfIn PDF document text
    • https://cdn.sqhk.co/kogoruzojif/4Aidyjb/bejarit.pdfIn PDF document text
    • https://cdn.sqhk.co/sewujuzanas/qkvzjbq/koala_bear_mating_sounds.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4424672/normal_5feb1666ba185.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4393483/normal_5fc9054f25c63.pdfIn PDF document text
    • https://cdn.sqhk.co/jofijoju/gLgjBhd/gebevovawosagi.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/vobuturinivi/37678135851.pdfIn PDF document text
    • https://s3.amazonaws.com/gogunabones/happy_grandparents_day_coloring_sheet.pdfIn PDF document text
    • https://s3.amazonaws.com/murudute/fifufelozo.pdfIn PDF document text
    • https://s3.amazonaws.com/lemefofutomapox/62337666671.pdfIn PDF document text
    • https://s3.amazonaws.com/xamibebulosaxug/intermezzo_cavalleria_rusticana_pianoforte.pdfIn PDF document text
    • https://s3.amazonaws.com/vabemavuputenif/bayliner_capri_2150_swim_platform.pdfIn PDF document text
    • https://s3.amazonaws.com/vekodupiwarobi/transfer_request_letter_template.pdfIn PDF document text
    • https://s3.amazonaws.com/pujinit/39404644661.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

Related samples 7

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000f775.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF775 5088 bytes
SHA-256: 35794c6138a688f7078595540c21378e70386c274547be9a5a04d86a1158417f
font_01_sfnt_off000108a5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x108A5 10800 bytes
SHA-256: eeeff300ab8801351cd064f047333797ee1634bc24152b629a4d15addd6c4f63

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