Malicious PDF — malware analysis report

Static analysis result for SHA-256 fe30998f832cd2b1…

MALICIOUS

PDF

74.9 KB Created: 2021-05-06 12:35:15 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: d8f6ed4c623fa4383b2521f365d1d4ee SHA-1: 8b8126bb325860fe249879b154c00b3836e5fd89 SHA-256: fe30998f832cd2b1f9729d1d26003ec6ce109ae46a90343568bc43c584c9b0c4
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 0.9996

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=black+%2526+decker+20v+drill%252Fdriver+and+circular+saw+combo+kit PDF link annotation
    • http://warixedivukinat.mygamesonline.org/what_are_the_best_cordless_phones_for_hearing_impaired.pdfIn PDF document text
    • http://lofitner.buzz/troy_bilt_2410_snowblower_spark_plugwl4yp.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4385412/normal_6058379857f32.pdfIn PDF document text
    • http://siwupezomejen.getenjoyment.net/autodesk_inventor_certification_practice_test.pdfIn PDF document text
    • http://lojasamericanasbr.com/fine_woodworking_Magazine69lus.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4369917/normal_5fdddc29f163d.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/0eeb1ce1-2ef6-4d10-8ed8-bab7e5930a95/kanowakopoverikolilefebu.pdfIn PDF document text
    • https://s3.amazonaws.com/gopuze/baggage_claim_full_movie.pdfIn PDF document text
    • http://dupumimegijema.epizy.com/zolijofojekodibalel.pdfIn PDF document text
    • https://s3.amazonaws.com/zexozavo/86526073129.pdfIn PDF document text
    • http://luwefotikejumu.rf.gd/windows_app_sites.pdfIn PDF document text
    • http://fobegakolu.epizy.com/b._sc.__information_communication_technology_education.pdfIn PDF document text
    • https://s3.amazonaws.com/sakaburepagase/62522536084.pdfIn PDF document text
    • http://wejajesenopezoj.onlinewebshop.net/nilabakinuli.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/0fce2b4f-dbb1-402e-a981-6758c40fe20a/creature_of_jekyll_island_review.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/9554bf84-f15b-42a9-a981-8bbb36b3a59a/what_are_the_methods_of_teaching_english.pdfIn PDF document text
    • https://s3.amazonaws.com/takebemanijewok/56592625282.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/9293c017-d64b-4822-9276-0f4e4ac0f368/which_is_better_oil_filled_heater_or_ceramic.pdfIn PDF document text
    • http://garavaxa.rf.gd/dogukaronekikalarebuxuju.pdfIn PDF document text
    • http://padapafodimaf.rf.gd/danganronpa_v3_gifts_guide.pdfIn PDF document text
    • https://s3.amazonaws.com/zidenigad/59620472644.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_off0000ea50.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEA50 4624 bytes
SHA-256: c17a23c4b83ac8bc75ee6735adfa74c071db06c7d720082290c2968beda68b5c
font_01_sfnt_off0000fa1b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFA1B 10736 bytes
SHA-256: 855c823ac3984dc0d0f83f8cee842f81f5b14e09b1f8dd7ffaaa135c3c8776d4

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