Malicious PDF — malware analysis report

Static analysis result for SHA-256 60048c58c7507d38…

MALICIOUS

PDF

75.9 KB Created: 2021-03-11 23:18:41 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-27
MD5: a1e3d1104649957859ffe21f09664b30 SHA-1: 0d90a321c705b6f1e53acc1cc29d793d2b0d7c37 SHA-256: 60048c58c7507d388dc7de89f9951c4344a8bd8da725e2691c10a4a2b372e43a
96 Risk Score

Malware Insights

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

The PDF file was detected as malicious by ML classifiers and ClamAV, specifically flagged as a phishing trojan. It contains an embedded URL that appears to be part of a phishing lure, disguised as a search result. No scripts were extracted, but the presence of the malicious URL and the overall detection strongly suggest a phishing attempt.

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://maypoin.ru/strik?utm_term=digital+marketing+coordinator+salary+uk PDF link annotation
    • https://pomudimukiribob.weebly.com/uploads/1/3/5/3/135313003/kunozejeso-vimebixipuv.pdfIn PDF document text
    • http://kakorixow.mygamesonline.org/82182894018.pdfIn PDF document text
    • http://lodomujimujug.mywebcommunity.org/how_to_use_omron_intellisense_wrist_blood_pressure_monitor.pdfIn PDF document text
    • https://cdn.sqhk.co/gawisibiw/dhfhbjC/vataxedofaxenizofo.pdfIn PDF document text
    • https://wiselorasen.weebly.com/uploads/1/3/0/7/130739143/77361.pdfIn PDF document text
    • http://napodosawukezob.getenjoyment.net/how_to_use_lg_inverter_direct_drive_dishwasher.pdfIn PDF document text
    • http://mitisavad.getenjoyment.net/xotebuwanasujam.pdfIn PDF document text
    • http://juvizex.sportsontheweb.net/8867200083.pdfIn PDF document text
    • https://cdn.sqhk.co/kawurefeki/icT8wje/smart_manager_samsung_apk_kitkat.pdfIn PDF document text
    • https://cdn.sqhk.co/gisatajofo/gPic6yk/miwatikovil.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/tanikanaw/1993211298.pdfIn PDF document text
    • https://59bb578d-b312-442a-858b-1a1a54b18a6c.filesusr.com/ugd/c79b1c_8fb38e1e2da949e9b64f143c9fbb7353.pdf?index=trueIn PDF document text
    • http://tizexazebubo.atwebpages.com/yongnuo_yn-560_ii_flash_trigger.pdfIn PDF document text
    • https://s3.amazonaws.com/sazixipame/alesis_dm10_studio_kit_manual.pdfIn PDF document text
    • http://jabodegodonirad.atwebpages.com/dell_latitude_d830_ram_replacement.pdfIn PDF document text
    • https://s3.amazonaws.com/ruzaganog/79953050192.pdfIn PDF document text
    • https://b2f02272-107b-4032-aafc-54cdd6265a16.filesusr.com/ugd/6cf392_be685cdadc0144e08051dfd6ac01eab4.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/juwofuxufijup/11009168921.pdfIn PDF document text
    • https://945b3f91-9c76-4178-be32-f0dab3cfe2c6.filesusr.com/ugd/8d5d69_645080219536408bb9d2a4dc9c5afd0a.pdf?index=trueIn 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_off0000ec03.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEC03 5424 bytes
SHA-256: d964c34faddbfcf8411e3c5715042751a606731798ea2364796d155686f46ca1
font_01_sfnt_off0000fe70.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFE70 10648 bytes
SHA-256: 5805e2191ba926ce5d484c696a7db3ebca8c8dff92f040669213599a4ff001d8

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