Malicious PDF — malware analysis report

Static analysis result for SHA-256 d7328391efaf6bb7…

MALICIOUS

PDF

69.9 KB Created: 2021-02-22 22:59:45 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-26
MD5: 7e0162433394b2041af48fe41cb2e8e4 SHA-1: bf55f212aef0fe22f1ca6c9b2f66e775d0b41d2a SHA-256: d7328391efaf6bb7d5620bdc43b8939ffa737eae08c8593a3e71b5b0b08c48ae
96 Risk Score

Malware Insights

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

The PDF file contains an embedded URL that redirects to a malicious domain, likely for phishing or malware distribution. The ML classifier and ClamAV detection strongly indicate malicious intent. Although no scripts were explicitly extracted, the presence of embedded URLs and the nature of the PDF content suggest it's designed to trick users into visiting a harmful site.

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://jottigo.ru/aws?utm_term=definition+of+strategic+human+resource+management+by+different+authors PDF link annotation
    • http://yudekor.ru/talking_parrot_240x320d6qqa.pdfIn PDF document text
    • http://sexedate69.site/pilewarodgzbi7.pdfIn PDF document text
    • http://moreprodukti.com/dogir8vo4o.pdfIn PDF document text
    • http://7lessons.website/2227753614obh85.pdfIn PDF document text
    • http://harmony-market.ru/whisper_of_the_heart_full_movie_dailymotion6bd57.pdfIn PDF document text
    • http://test123test.xyz/memento_fiscal_2019_gratis7dzrb.pdfIn PDF document text
    • http://aycotoro5.xyz/44886703299939od.pdfIn PDF document text
    • http://copyrightprivacy.site/batman_the_enemy_within_switch_gameplay9xaij.pdfIn PDF document text
    • http://shtangennstutkupitseychas.xyz/23843052519spke6.pdfIn PDF document text
    • http://salebox.shop/tafufajevupethlqi.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/febopa/what_is_the_rule_for_reducing_fractions.pdfIn PDF document text
    • http://lubozogemodusa.epizy.com/ccleaner_professional_plus_crack_2018_free.pdfIn PDF document text
    • https://s3.amazonaws.com/wujodibu/thermodynamics_test_questions_and_answers.pdfIn PDF document text
    • http://xutasiwewuzaf.rf.gd/45029905185.pdfIn PDF document text
    • https://s3.amazonaws.com/xapidajovaji/xafifotali.pdfIn PDF document text
    • https://s3.amazonaws.com/wizitifowubux/equilibrium_chemistry_worksheet.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_off0000d256.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD256 5644 bytes
SHA-256: 46cfd2cf0be3bef402cab15d5cce41404b10a5db9057ceaae7835efb0f25dae5
font_01_sfnt_off0000e56c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE56C 10776 bytes
SHA-256: e3f5c858fd923ece8e3cef222fa777a57bf785e869a2ee0bcce220a1568c0702

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