Malicious PDF — malware analysis report

Static analysis result for SHA-256 aede83d12db197ad…

MALICIOUS

PDF

82.6 KB Created: 2021-03-30 11:58:14 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 1ce0e84ce13dbd76c9ebb2dee94ceb38 SHA-1: 6f8c1720ab547022696e8dcabe93e8fbf0c0af03 SHA-256: aede83d12db197addc3dc0feae71ccc4fc81736e88549e34564e40ae2567d7b9
96 Risk Score

Malware Insights

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

The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. The document contains an embedded URI pointing to a suspicious domain, which is likely intended to host a malicious payload or phishing page. No scripts were extracted, but the presence of the external URI is a strong indicator of malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9995

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=the+wanderer+song+movie
    • http://pegejoruvufiron.sportsontheweb.net/pugekivek.pdf
    • http://jujukakajita.iblogger.org/samurotagax.pdf
    • https://ragurinibobuma.weebly.com/uploads/1/3/3/9/133986244/4875205c.pdf
    • http://mosomupusafebin.medianewsonline.com/riwedezudatovodu.pdf
    • https://cdn.sqhk.co/tixukiko/bVmXhjS/resasenijada.pdf
    • https://cdn.sqhk.co/vekazedivipi/jgvgiij/magafubagowor.pdf
    • https://sobemifukoku.weebly.com/uploads/1/3/4/8/134887972/faselakav.pdf
    • https://cdn.sqhk.co/bevizewo/ngcgeih/27132471457.pdf
    • https://cdn.sqhk.co/gujowaxexag/ujbpVEt/cross_cartoon_in_urdu.pdf
    • http://betagutirana.22web.org/woberisuritapode.pdf
    • https://cdn.sqhk.co/fudikeraz/IU9giGE/color_wheel_artwork.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://sizixezaratog.rf.gd/saloximapixutomiki.pdf
    • https://uploads.strikinglycdn.com/files/bf37c638-fa60-4907-91b4-3cdf54e8d689/xekojadalugevoba.pdf
    • https://uploads.strikinglycdn.com/files/2b431a34-9b94-40ac-a5fa-b27c40c49c95/jisat.pdf
    • http://witivovubujo.epizy.com/general_belongingness_scale.pdf
    • https://uploads.strikinglycdn.com/files/8d05bd31-454a-4106-892d-081a4e37fb51/uppababy_vista_black_friday_sale_2018.pdf
    • http://jamowekovexure.epizy.com/honda_cbx_750_service_manual.pdf
    • http://damedosa.rf.gd/odia_film_arjun_video_song.pdf
    • https://uploads.strikinglycdn.com/files/1e76d9dd-106b-4c83-885b-afdad01d23c1/tagopuviwupopuju.pdf
    • http://tenovelipa.rf.gd/types_of_bill_of_lading_in_shipping.pdf
    • http://rizivubonulej.atwebpages.com/its_called_a_breakup_because_its_broken.pdf
    • https://uploads.strikinglycdn.com/files/8ed5193b-6f02-4699-b56f-f9f6cc30f031/citizen_nighthawk_wr200_features.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/
    • http://scripts.sil.org/OFL

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000ed1d.bin
517deae6dd081d0e6e576819748f5076139a21756b4d8008974d62cb4436da72		 pdf-font-stream PDF embedded font (sfnt) at offset 0xED1D 5624 bytes
font_01_sfnt_off00010086.bin
e7a4efba7560dc34af2cfffa3387c012c20423a5a3a357cdc13f637425bac56b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10086 5308 bytes
font_02_sfnt_off0001127c.bin
aff7868f8dffa5b8b492fd728151be15d3b8b8341189a455cd0b292498c8b2b2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1127C 12488 bytes

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