Malicious PDF — malware analysis report

Static analysis result for SHA-256 0014bfeee9dfa628…

MALICIOUS

PDF

39.7 KB Created: 2020-11-03 03:55:04 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-04
MD5: 42f5e5c80af6413476808794bd15e94c SHA-1: d25b00c811deb02474ddf8b5f212a38ed8fcec3d SHA-256: 0014bfeee9dfa62851feab73c8a65bd2a11ab09e48a1406d1af184b9e4baa74c
94 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 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 1.0000

Heuristics 3

  • 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?keyword=zithromax+z-pak+250+mg+cost In PDF document text
    • https://mikezexevi.weebly.com/uploads/1/3/4/5/134528008/c61b393.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4370541/normal_5f8e583735c8a.pdfIn PDF document text
    • https://tipiridevozono.weebly.com/uploads/1/3/4/3/134349557/8658e1144c5a.pdfIn PDF document text
    • https://lafowesatumu.weebly.com/uploads/1/3/4/5/134503032/lafeketuxexawam-kolemidusiv.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/58880020-fbb0-4ab7-b55a-dc1dd61d0c0a/wikaxereb.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/8adcb545-5a55-4456-a93c-966adff93b41/kixubewupiwa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0266/8970/0027/files/doxubepetagojudasiwegosax.pdfIn PDF document text
    • https://s3.amazonaws.com/jadudusujuje/rogebuzevizesef.pdfIn PDF document text
    • https://s3.amazonaws.com/vonuxagupeduze/qooapp_apk_android.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_off00005abd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5ABD 5884 bytes
SHA-256: 9a9eb3addf0ee050fdbbe65b9ae5fc0116ca45ede75ed7880239a431bff5cbc4
font_01_sfnt_off00006eb2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6EB2 10500 bytes
SHA-256: 5ce7b4df76471767a9990298159f553d105c789d4ae22886add0bbb096cddeb5

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