Malicious PDF — malware analysis report

Static analysis result for SHA-256 18a2286fea5d54c9…

MALICIOUS

PDF

73.3 KB Created: 2020-10-05 22:26:41 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-23
MD5: a75d7cd888646999800148dee51c759d SHA-1: 955019b01ffc1de44234b2919ce5c9df0bedc293 SHA-256: 18a2286fea5d54c941894117e4d63f000385d7a9e3d05f291369485eefaaac91
94 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file was flagged as malicious by an ML classifier and contains a link to a known malicious redirector. The embedded URL `https://gettraff.ru/strik?keyword=sistema+cgs+tabla` is the primary indicator of malicious intent, likely serving as a lure to a phishing or malware download page. No scripts were extracted, but the presence of the malicious URL strongly suggests a phishing or credential harvesting attempt.

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=sistema+cgs+tabla In PDF document text
    • http://files.clareagrippina.com/uploads/1/3/0/8/130874679/pumoligode_zekexifajit.pdfIn PDF document text
    • http://files.makingeverydaysacred.com/uploads/1/3/0/9/130969497/418c5.pdfIn PDF document text
    • http://dotom.hardknoxstunts.com/uploads/1/3/2/7/132740778/de12007fa.pdfIn PDF document text
    • https://site-1036627.mozfiles.com/files/1036627/munuruligokanizu.pdfIn PDF document text
    • https://site-1036807.mozfiles.com/files/1036807/25615923413.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://cdn.shopify.com/s/files/1/0496/2890/5625/files/fedasusutikewel.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5811/0363/files/41043847551.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0492/0288/8867/files/98599682129.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2699/7663/files/80118539972.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/95e8e00d-20da-4277-8194-ac2a18985673/39921117808.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/2206f733-b3fe-44e6-9ddd-ce430d43ed8a/pegadadave.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/9e21c591-3591-4aed-b339-9e145e800ac2/dekidarunerafa.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_off0000af74.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xAF74 4836 bytes
SHA-256: 4ee6cbb3290dfaa32f9a9caf4d045b940dd4b437bdea1d9f704d64ffaef7b591
font_01_sfnt_off0000bfdd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBFDD 16844 bytes
SHA-256: e2469a9bcaff8c967a4ae45e4a347e6363774ea15fc7456e8213df682c132e6d
font_02_sfnt_off0000f4c2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF4C2 16188 bytes
SHA-256: b4a1576dd562c8dc9cf436abed7ca074c12d3751a3f2c1c0e3bc8a5615d6c4fc
font_03_sfnt_off00010a05.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10A05 4324 bytes
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34

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