Malicious PDF — malware analysis report

Static analysis result for SHA-256 f0189562a8310320…

MALICIOUS

PDF

301.3 KB Created: 2021-04-18 08:50:29 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-22
MD5: fa59f1995f306a7727621e04aae7cab8 SHA-1: dcf3fc01b54c6fd3108eb4e7f28e39a68919626c SHA-256: f0189562a8310320a63ca3363edc82f1bada216c0a010ff5e90bd4e6be09db16
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 0.9815

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=criminal+procedure+outline PDF link annotation
    • http://lnstagramcopyrighthelps.com/vampire_diaries_season_6_episode_10_summaryt82zk.pdfIn PDF document text
    • http://arendagg.xyz/dna_structure_and_replication_pogil_answer_keypo2to.pdfIn PDF document text
    • http://spain50off.info/bitcoin_wallet_sign_up_bonus_20203dh1z.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4387821/normal_60292a928cb0b.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4392660/normal_60075decf3505.pdfIn PDF document text
    • http://fontawesome.iohttp://fontawesome.io/license/In PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/mipizaju/today_sydney_weather_report.pdfIn PDF document text
    • https://s3.amazonaws.com/waxegatulo/whistleblower_transcript.pdfIn PDF document text
    • https://s3.amazonaws.com/belopudevuzuza/47190262926.pdfIn PDF document text
    • https://64e18f06-8a0e-4dc1-8427-9dd81b4bff36.filesusr.com/ugd/baa514_0bec92bc4fbf40a79de41c7fb0393203.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/tixedujegibex/sheet_pan_fajitas_budget_bytes.pdfIn PDF document text
    • https://s3.amazonaws.com/natewared/15085203667.pdfIn PDF document text
    • https://s3.amazonaws.com/somisilegex/relitabuji.pdfIn PDF document text
    • https://e8dc5420-792a-4861-90db-09cfc8d8a7d1.filesusr.com/ugd/1378f5_4f15189d73d54d44bdbe3e822cdb3a5f.pdf?index=trueIn PDF document text
    • https://uploads.strikinglycdn.com/files/408806db-5ac7-4be5-a676-f60c92d908fa/19847742002.pdfIn PDF document text
    • https://s3.amazonaws.com/vapelurowar/54122547316.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e273e6f0-5571-4167-bba4-4ded5f80c9ba/sekinowen.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_off00046274.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x46274 2008 bytes
SHA-256: 1f005f7b2fb4090cf112c669ce8019b19da1231dc14431617f0b1cf3ad1cf230
font_01_sfnt_off00046be1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x46BE1 4948 bytes
SHA-256: 3ffdef69e644df4c1fe8c2b97fda837edc83cb91c21cc8a993f0f48e11a4371b
font_02_sfnt_off00047c95.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x47C95 12264 bytes
SHA-256: aa77124e6ee5b4527d75184779c16452fc35ed294ba2a0a051f9f7cc3c0e6b48

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