Malicious PDF — malware analysis report

Static analysis result for SHA-256 9e5ebc4d6600565b…

MALICIOUS

PDF

85.5 KB Created: 2021-02-24 11:35:53 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-15
MD5: 0bfdc4c66184ae94afac8233a3c87d06 SHA-1: dc7406070ae93ab5ba0a0927400408ff5a1744f1 SHA-256: 9e5ebc4d6600565bd40a3438eb9e613573bcdf2498e4f8aab454c744701bbbe6
96 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The PDF contains an embedded URI pointing to 'baarspo.ru', which is likely a phishing or malware distribution site. Although no scripts were explicitly extracted, the PDF structure and embedded URI suggest it's designed to trick users into visiting a malicious external resource, likely as part of a phishing campaign.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9992

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://baarspo.ru/strik?utm_term=sony+dvd+rmt-d197a+remote+codes PDF link annotation
    • https://cdn.sqhk.co/xutujipux/ch8eNqQ/dollify_app_review.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4490371/normal_60100f09a1874.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4468255/normal_6007d230866e5.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4377642/normal_5ff4ce838556d.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4374953/normal_5ff08cfbeea6b.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4417422/normal_6035291fbcd96.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4495385/normal_5ffd4ea498ca1.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4470826/normal_60179df0dd9f0.pdfIn PDF document text
    • http://wofaguwere.iblogger.org/word_cookies_lemon_20_answer.pdfIn PDF document text
    • https://cdn.sqhk.co/jumupebuvi/gjjZTru/10016806991.pdfIn PDF document text
    • http://bullbananavannaone.xyz/guided_reading_level_definition6xdj9.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4502436/normal_603271d08b920.pdfIn PDF document text
    • https://cdn.sqhk.co/wanoposuj/mIhgAhd/lefovokawu.pdfIn PDF document text
    • https://cdn.sqhk.co/madagijoj/7KF2W89/candy_crush_soda_saga_cheat_engine.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4393483/normal_601a398fc80ee.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://molopafefo.rf.gd/car_parking_games_2015.pdfIn PDF document text
    • http://medevigad.epizy.com/63403495789.pdfIn PDF document text
    • http://xanijidul.epizy.com/56751701287.pdfIn PDF document text
    • http://jamurujitexezi.epizy.com/ncdrc_udc_answer_key_2019.pdfIn PDF document text
    • http://tenurusimuxu.epizy.com/manual_energias_renovables.pdfIn PDF document text
    • http://petikagemejol.rf.gd/annual_report_template_canva.pdfIn PDF document text
    • http://taxowojo.epizy.com/government_employment_card_application_form.pdfIn PDF document text
    • http://mafasegu.epizy.com/atmega328p-_pu_date_sheet.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_off00010bbf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10BBF 5640 bytes
SHA-256: 920b9cf97a316a99998c151ec9e2e9ecc44421ee4f148fc86aec2e103a9e0e3a
font_01_sfnt_off00011ef4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11EF4 11852 bytes
SHA-256: bc05f3c9dfc08a1813b823df77796344d4a2441ed307e5b95cf4e2dfdbd4ec27

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