Malicious PDF — malware analysis report

Static analysis result for SHA-256 601b7871191204b1…

MALICIOUS

PDF

77.2 KB Created: 2021-02-17 00:44:13 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-07
MD5: 3278ee56b206c076ec0c2b4b5d752c85 SHA-1: dde3c7d246b1ea7a9d0204caa161151c14dddf57 SHA-256: 601b7871191204b14934b61b9ae736a9f0314db1ab35f42dc0a4e60edf2a2f53
96 Risk Score

Malware Insights

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

The file is a PDF document that contains an embedded URL, which is a common tactic for phishing or malware distribution. The ML classifier and ClamAV detection strongly indicate maliciousness. The document body, though heavily obfuscated, appears to be a lure related to fashion, directing the user to a suspicious URL.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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
  • 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://maypoin.ru/strik?utm_term=spring+outfit+with+white+jeans PDF link annotation
    • http://mxbur.fun/ms_excel_advanced_test_questions_and_answersx6hdp.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4427544/normal_6004764d1bcc7.pdfIn PDF document text
    • http://mangalvpodarok.ru/10235179736kpq0k.pdfIn PDF document text
    • http://natorg.fun/baxuzatekotelozallnui.pdfIn PDF document text
    • http://hotel-engels.ru/balivovabajefejefujadixgb373.pdfIn PDF document text
    • http://waguzeb.66ghz.com/keynote_intermediate_student_s_book_answers.pdfIn PDF document text
    • http://tifizifojaf.iblogger.org/jubiz.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4413119/normal_5fdad41b3a362.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4451753/normal_5ff56af26a0ef.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4393189/normal_60208039564a4.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://s3.amazonaws.com/daniwodug/transunion_deceased_person_credit_report.pdfIn PDF document text
    • http://mevusajilitum.rf.gd/platform_picture_ajay_devgan_full_hd.pdfIn PDF document text
    • https://s3.amazonaws.com/kugelilizibuwum/adobe_indesign_cs6_full.pdfIn PDF document text
    • http://bizujexexo.epizy.com/muxusutimavak.pdfIn PDF document text
    • https://s3.amazonaws.com/polexebuj/rilerotizuwumodex.pdfIn PDF document text
    • https://s3.amazonaws.com/pewibim/free_promissory_note_template_illinois.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e27c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE27C 5284 bytes
SHA-256: 4123130b79aaa1c64d8147b3e2f714133db67d7c5457f54d5d9c4496f8e22288
font_01_sfnt_off0000f484.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF484 10904 bytes
SHA-256: 617dae02e90f5e55e72c74c909e81880466c5b5b14c208a92f000328b6ff7388
font_02_sfnt_off000119cb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x119CB 4324 bytes
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2

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