Malicious PDF — malware analysis report

Static analysis result for SHA-256 9d229aabc54ea589…

MALICIOUS

PDF

70.9 KB Created: 2021-06-04 15:54:03 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-21
MD5: a53397be720f8acde7511b3203ded411 SHA-1: 93d609a876ba8008eb324b12dc7af75b22a20bf0 SHA-256: 9d229aabc54ea58909ac8311d73fb8019a65a5f901afa2f6e07749e5e43672d6
104 Risk Score

Malware Insights

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

The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains an embedded URL that leads to a page offering a download, and a heuristic detected a visual download button lure. While no scripts were extracted, the presence of a malicious PDF and a suspicious URL strongly suggests a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://ketchas.ru/pbw?utm_term=pokemon+x+and+y+nds+rom+zip+download PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4467955/normal_5ffea28f8b8f8.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4454301/normal_5feaf3bbbbf86.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4387698/normal_6055617418d23.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4448121/normal_603799c09eaae.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/ed567ec3-2225-4396-a96b-8dfd803e13a7/how_to_calibrate_samsung_galaxy_note_4_battery.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/932dd2ed-b285-40ba-8be3-37991c648647/ninudekifuzuzi.pdfIn PDF document text
    • http://natizasex.pbworks.com/f/nusojigef.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/aee7961e-bb61-4deb-a575-a1d6629fc497/dokifizibipulak.pdfIn PDF document text
    • http://faxamom.pbworks.com/w/file/fetch/144472539/common_job_interview_questions_and_answers_for_high_school_students.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f2430cfa-26ea-49b1-93d9-5895df0c852c/will_there_be_a_3rd_big_little_lies.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/48e63a77-600c-44f0-9aff-5d492c24add2/qu_es_un_conjunto_en_matemticas.pdfIn PDF document text
    • http://tarogifere.pbworks.com/w/file/fetch/144525300/gta_watch_dogs_2_download_for_android.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d91f6fc9-ff73-4da0-be78-c71c8c6c660a/dejegoseninusafus.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/64e4dbe6-0819-430e-a381-ff93f34bb796/what_is_the_diet_chart_to_reduce_weight.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/3c4e6615-8534-48f3-8384-56c60b6a502c/vowikukaranog.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/81f09bf1-86d4-4ec8-ae4f-71e1ac80e768/lucifer_bible_definition.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d6d9268b-2d49-4195-9e06-f2e420e19eb7/digiprog_3_download.pdfIn PDF document text
    • http://niwomif.pbworks.com/f/laudate_dominum_piano_solo_sheet_music.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_off0000d5a8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD5A8 5484 bytes
SHA-256: b312e4224fe330851dc5b2e831806ad3c3bbe3a3785047c1b899f9c0a59f0327
font_01_sfnt_off0000e85d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE85D 10880 bytes
SHA-256: 924f810eb599585e7b4fd388b5d3a0253f8af661be14b76bbc2f3ce44ac93c2b

Open this report in the interactive analyzer, or submit your own file for analysis.