Malicious PDF — malware analysis report

Static analysis result for SHA-256 47068b2324ea4492…

MALICIOUS

PDF

70.7 KB Created: 2020-12-26 22:11:05 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-14
MD5: c80e03432469c8677b42ee058358558d SHA-1: f7d11c12570957846774e7b174954ace57f4dc3d SHA-256: 47068b2324ea4492e2d026fba24fa0335bd83645f7ca7ce30f1a9930c7f08f80
162 Risk Score

Malware Insights

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

This PDF file was flagged as malicious by a machine learning classifier and ClamAV, indicating a high likelihood of malicious intent. It contains a link to a known malicious redirector, traffking.ru, which is likely used to serve a second-stage payload or phishing content. The presence of a 'download' button lure further supports the phishing or malware distribution attack pattern.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

Heuristics 5

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://traffking.ru/strik?utm_term=doodle+bowling+mod+apk In PDF document text
    • https://pisesiwez.weebly.com/uploads/1/3/1/4/131453260/6639963.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4393751/normal_5fa43b54186c6.pdfIn PDF document text
    • https://bedakowunuva.weebly.com/uploads/1/3/4/3/134342711/54eac1a9b.pdfIn PDF document text
    • https://cdn.sqhk.co/wubumeze/CBhidnk/wafol.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/7a74ec04-ea83-401a-8e87-3209643a413d/the_golden_kite_the_silver_wind_answers.pdfIn PDF document text
    • https://s3.amazonaws.com/daselex/78765767657.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/edff2db9-24bc-444f-a446-fb77d78542c0/75253420548.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/4c47109c-f088-4ff1-a9d6-0e352bf39602/melito.pdfIn PDF document text
    • https://s3.amazonaws.com/tuxenipup/rubetibuzugejavijusar.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/5f4db6c4-c502-400c-ab46-9615cca90712/7850280668.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c45379ec-a48b-45c8-ba1f-f09714b026c3/siwolovatuto.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_off0000d131.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD131 5300 bytes
SHA-256: 5ec5de8fc7b9c9dd1ace7614438869e0488c8deaf84f615fce483cf9fd438599
font_01_sfnt_off0000e33e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE33E 15336 bytes
SHA-256: e741a457598fa36eeea4bfe631fcc0aa4b3fff60f1ed8fd80e6437225c756719

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