Malicious PDF — malware analysis report

Static analysis result for SHA-256 0a1fcd1ff35de9ff…

MALICIOUS

PDF

75.5 KB Created: 2021-03-17 00:44:44 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-24
MD5: bed9d3ad366dec60b52ddc463597de4d SHA-1: 1396c386af3829c78c4e03922c7ddacaca7e8f48 SHA-256: 0a1fcd1ff35de9ff57d00d47d3341f60f10ea4c77a3f2cb784b5ff625aea41b7
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://vilenefex.ru/wix?keyword=sas+zombie+assault+tower+defence+hacked PDF link annotation
    • http://proba7.xyz/72872834069o1025.pdfIn PDF document text
    • http://mirror-x.org/26629870990z8n9b.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4385648/normal_6004d1b757454.pdfIn PDF document text
    • http://kogowetek.getenjoyment.net/37715642437.pdfIn PDF document text
    • http://vodizurulenega.mypressonline.com/minobosifozugatologidofap.pdfIn PDF document text
    • http://hookup157.fun/what_is_a_fancy_word_for_bestfudii.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4486201/normal_5fe462147d582.pdfIn PDF document text
    • http://hydraruzxpnew4af.exchange/motivational_interviewing_questions_for_weight_lossj445h.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4404740/normal_601b7d08419e0.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4420245/normal_5fc83c9cd1b79.pdfIn PDF document text
    • http://texifudosino.mygamesonline.org/how_to_connect_tranzit_blu_hf.pdfIn PDF document text
    • http://zdorovienashevse.xyz/twilight_saga_new_moon_full_movie_in_hindi_download_filmywaplaeim.pdfIn PDF document text
    • http://manamuposa.getenjoyment.net/65896350941.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4484834/normal_5fd1f3e2a2ef7.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/dozuga/destiny_2_zero_hour_heroic_guide.pdfIn PDF document text
    • http://bodegifu.atwebpages.com/jibapotuwevosa.pdfIn PDF document text
    • http://medexode.atwebpages.com/bisection_method_examples.pdfIn PDF document text
    • https://s3.amazonaws.com/napoledunadigo/business_plan_sample_form.pdfIn PDF document text
    • https://s3.amazonaws.com/filidabut/42406579905.pdfIn PDF document text
    • https://s3.amazonaws.com/fujadabez/69660628947.pdfIn PDF document text
    • https://s3.amazonaws.com/dutuzanob/88920977171.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_off0000e79f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE79F 5708 bytes
SHA-256: 985b3cb8b28ddea071e2b63b34fadf7a64820b9a8fd08050cf756f93dd451505
font_01_sfnt_off0000faf3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFAF3 10912 bytes
SHA-256: 53057a887b656c3455b685c78ce50031fcf27769b373fb5effb91697c3551c99

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