Malicious PDF — malware analysis report

Static analysis result for SHA-256 69e169019497c629…

MALICIOUS

PDF

79.6 KB Created: 2021-04-09 01:10:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-25
MD5: 9d45845697ac01f00f5a90ae205d9186 SHA-1: 55c9aeaa8770dd094b3cf3303dfece28e40c80c3 SHA-256: 69e169019497c629a6e01a474427e1443007233db1eec5fce66b3fade88f7d0f
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 0.9998

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://xajibur.ru/strik?utm_term=schwinn+213+recumbent+exercise+bike+reviews PDF link annotation
    • http://maxobujixeweden.sportsontheweb.net/foucault_governmentality_essay.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4455883/normal_600348afc8edb.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4403565/normal_5fd8d8ad1320e.pdfIn PDF document text
    • http://kivesiso.iblogger.org/avadhuta_gita_telugu.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4454672/normal_606ae472cc6f5.pdfIn PDF document text
    • http://zefefiwova.medianewsonline.com/nofekilujudinureke.pdfIn PDF document text
    • http://kaguveka.22web.org/54063101542.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
    • http://pobuwejugu.epizy.com/gipafakinelavovidem.pdfIn PDF document text
    • https://s3.amazonaws.com/tutapaxi/kenafozopibeso.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/6996291a-d503-45c5-9814-7af6670904d9/46704534446.pdfIn PDF document text
    • https://s3.amazonaws.com/paxuvagal/what_are_the_different_ipad_mini_models.pdfIn PDF document text
    • https://7095e710-59ac-4d27-8a5a-f3bbcaf65deb.filesusr.com/ugd/418e76_ace0ec7937f64c6f89f8e9f78366bfe8.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/rodiligarexo/47774117272.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/a79491db-22ed-4af7-8d45-a0116a433a13/cuisinart_bread_maker_manual_cbk_200.pdfIn PDF document text
    • https://s3.amazonaws.com/bejexe/xibasasufopikefodono.pdfIn PDF document text
    • https://f579be4a-c2ec-451d-94ee-532237c06880.filesusr.com/ugd/9f6a24_620927c5d6d446b8bb97af4abfe23cf2.pdf?index=trueIn 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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000eab3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEAB3 5444 bytes
SHA-256: 50fb91a2ddb28423c1e5d2685f105d6d0a29556065df250fd2e0101dc96824b4
font_01_sfnt_off0000fd19.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFD19 10552 bytes
SHA-256: f05b4f58e2ef9a7d4d2479f9ea4605393c87a222674ff888053214ca167d1774
font_02_sfnt_off00012107.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12107 4324 bytes
SHA-256: 1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e

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