Malicious PDF — malware analysis report

Static analysis result for SHA-256 efaf4a42acc084f4…

MALICIOUS

PDF

80.1 KB Created: 2021-03-18 13:15:51 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: 34ac85087f2dd60074d1301f88351814 SHA-1: 9e819f9ee4f730bc6eed418f80cab77d8916e07a SHA-256: efaf4a42acc084f4a5360a559e139d12d3d0e59dff106f88b3e44f9bd2199201
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 0.9998

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://nipisod.ru/aws?utm_term=yamaha+mg16xu+review PDF link annotation
    • https://cdn.sqhk.co/lisesemafo/gi1L2tv/74068565600.pdfIn PDF document text
    • https://cdn.sqhk.co/tamupoto/aMg5gjw/stickman_hook_pc_download.pdfIn PDF document text
    • https://cdn.sqhk.co/tosijoxopum/b1Xjj4C/bike_unchained_2_mod_apk_3._10._2.pdfIn PDF document text
    • https://cdn.sqhk.co/tovipovo/giZxige/85909132298.pdfIn PDF document text
    • http://netolenogafa.getenjoyment.net/java_programming_notes_download.pdfIn PDF document text
    • https://cdn.sqhk.co/dafibuxoki/gVhjRG9/31042969554.pdfIn PDF document text
    • https://cdn.sqhk.co/pafevola/idgftii/nvidia_shield_4k_hdr_gaming.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/megodipewukitoj/love_marriage_hd_video_song.pdfIn PDF document text
    • https://s3.amazonaws.com/jazofi/solukalazafanaxik.pdfIn PDF document text
    • https://s3.amazonaws.com/memobofilenabon/fuwokixivuta.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/09f9d954-fc61-46ed-9da6-af1e26665531/97614328303.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/871e5fe3-3da6-4d3d-9359-37b42b82b8fc/84211317909.pdfIn PDF document text
    • https://s3.amazonaws.com/bopuxosavubare/fishing_report_colorado_river.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e7382be3-84b8-4b4d-9ead-408f40a497d3/dukukasanuxapolozow.pdfIn PDF document text
    • http://pivimufe.atwebpages.com/sosibu.pdfIn PDF document text
    • https://s3.amazonaws.com/bomifabipi/barrons_sat_2_math_level_1.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/4df2f66d-900c-4212-8ad1-ad4d5e14914b/social_media_marketing_for_restaurants_2020.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/8bcd9073-3171-4964-9324-5ab4b249d894/ecology_of_the_planted_aquarium_audiobook.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

Related samples 6

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000fab8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFAB8 5276 bytes
SHA-256: b8c4e54567e8f2cfca93f7cbbf8bc2c7398642470d71b90e70e852d8a5286cf8
font_01_sfnt_off00010ca2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10CA2 11056 bytes
SHA-256: 5ca9ff44eca21cfe85a267aa41053a1d7a1a21a50205e6a2cdee8141a2b35c45

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