Malicious PDF — malware analysis report

Static analysis result for SHA-256 2663e39ca6e5123b…

MALICIOUS

PDF

66.9 KB Created: 2020-11-13 21:33:43 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-04
MD5: e2c6492697492440d0f372025396e3d8 SHA-1: dbb46454b3c5b0bb36dabfcebd5b64b87fb91992 SHA-256: 2663e39ca6e5123bb54e607e7faed55563956900573740efa4af733dec6fd9f3
96 Risk Score

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://traffking.ru/123?utm_term=creston+high+school+softball PDF link annotation
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/725da92c-c78b-4e9d-a436-3e85fc8ee03a/24803417923.pdfIn PDF document text
    • https://s3.amazonaws.com/jolituzoji/lajanofeluvubin.pdfIn PDF document text
    • https://s3.amazonaws.com/punagilelabon/71313628031.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/5d2dbcd4-820f-4d96-8512-8b66c25dbac7/fajiwivijanarukixajiwopo.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/1f0a5b2d-3ee4-4e78-bbaf-7ee0127218be/gutagovurajofomi.pdfIn PDF document text
    • https://s3.amazonaws.com/lixuduwonifa/lutafoloxipukuke.pdfIn PDF document text
    • https://s3.amazonaws.com/xatojem/hacked_online_games_kingdom_rush.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/6291242e-3a91-417c-9da5-67474ed59275/70013111156.pdfIn PDF document text
    • https://s3.amazonaws.com/vufupu/ritmoneuran_bula.pdfIn PDF document text
    • https://s3.amazonaws.com/tokatefozude/13666055447.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/635eb52a-6a06-4e88-acdd-6365c61160b3/jasikiriwufogul.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b58cd0cc-0d4e-48c2-98dd-9147eb866cf4/swtor_cybertech_space_schematics.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/100205fb-ea1e-4c4a-9ea6-36ea76b75ef7/teropagetujexe.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/bafce518-429a-47cc-a134-277b9a214be4/29418120016.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_off0000c94b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC94B 5188 bytes
SHA-256: 6896dbfb4d422d5445cde272a41b5d7a71335e7f3e2e4a976c8b5831e2193325
font_01_sfnt_off0000daf1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDAF1 10572 bytes
SHA-256: 7958eea67c64a34dcb0b7bf03d4674d0e001d32d9e706402d99c04b824cfb232