Malicious PDF — malware analysis report

Static analysis result for SHA-256 bba25aebb7594c4a…

MALICIOUS

PDF

73.3 KB Created: 2020-11-23 12:10:03 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-04
MD5: 79024affcdc3f052c70c163e92f552b1 SHA-1: 912007005957777d5a877ff8bb30e2da8fd87dab SHA-256: bba25aebb7594c4a65c34a199bfa2c482edaa4062f6ea596aedc8014a576e0fb
154 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 routes users through malicious redirector infrastructure. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9990

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
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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://gettraff.ru/strik?utm_term=hotspot+shield+elite+apk+full+cracke In PDF document text
    • https://cdn-cms.f-static.net/uploads/4453537/normal_5fbb3169dc126.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4389797/normal_5f9682a94a1d8.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/4d8f9f42-4e19-42a9-910e-f9a209be70d8/8317715630.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e4121f03-4a6f-4f4d-9d34-bda7f6ea0e49/40495157048.pdfIn PDF document text
    • https://s3.amazonaws.com/nefomojuwet/jalesuxi.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e8f1d275-07c6-4f03-9bd3-2d57331a5409/pakistan_economy_mcqs_latest_with_answers.pdfIn PDF document text
    • https://s3.amazonaws.com/xanebavifamopez/glyphicons_icon.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/56d62353-90c8-41a0-a735-518bab5499f8/barbie_mariposa_2008_full_movie_in_english.pdfIn PDF document text
    • https://s3.amazonaws.com/tugumeb/doxizem.pdfIn PDF document text
    • https://s3.amazonaws.com/bejikefowu/netflix_episodes_on_pc_windows_7.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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000c4bd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC4BD 5268 bytes
SHA-256: 9074642330c1332ee1eab99040faefa330bed483659a3a97d3d9690888c0ae92
font_01_sfnt_off0000d69b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD69B 1800 bytes
SHA-256: a36eee06fef6ce219692c4ec918276ac99413e4fd1e3666e4031624f9289d620
font_02_sfnt_off0000df28.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDF28 10452 bytes
SHA-256: c39c2978245dbdd27da9b32dde82ae678c694ae2c2e11bd72b281fd7dd6ed3ff
font_03_sfnt_off0001030e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1030E 16136 bytes
SHA-256: 2ad9aa7264c71475c7a1deda5157b74a899b01a4001f3aadf96805661921853b

Open this report in the interactive analyzer, or submit your own file for analysis.