Malicious PDF — malware analysis report

Static analysis result for SHA-256 b50ae5c502d10856…

MALICIOUS

PDF

74.1 KB Created: 2021-02-21 07:23:15 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-18
MD5: 1d2e6b9fbe7161751e507da4f75ae51b SHA-1: 82ce51e1392defb797f2f98215b27bb64431066a SHA-256: b50ae5c502d10856b8031c72d2479b8c2ff50022cfd4f9f5db14618437734fa5
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-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://bologen.ru/strik?utm_term=pace+modem+problem PDF link annotation
    • https://cdn.sqhk.co/fexilejedit/U2blhgM/sezusitozebijelupom.pdfIn PDF document text
    • http://muvirire.22web.org/mukopifenasewegovoferu.pdfIn PDF document text
    • http://biteroz.iblogger.org/93897289602.pdfIn PDF document text
    • http://voztrans.ru/carrom_game_mod_apkzs4o2.pdfIn PDF document text
    • http://mugipojezekegul.iblogger.org/42269530425.pdfIn PDF document text
    • http://drive4mclaneeffingham.com/kavadobuwunezuweloxebule8h2o1.pdfIn PDF document text
    • https://cdn.sqhk.co/bidogefapo/ghaib5h/snake_vs_block_how_to_play_color_mode.pdfIn PDF document text
    • https://cdn.sqhk.co/bupewazadufa/gf7XnyM/4088509018.pdfIn PDF document text
    • https://cdn.sqhk.co/zowonefaso/icTjU2e/42775337256.pdfIn PDF document text
    • http://899themes-demo.ru/how_to_buy_shares_in_singapore_without_brokeropuos.pdfIn PDF document text
    • https://cdn.sqhk.co/puwidebudojo/f39ihMK/cyberspace_tanks_3d.pdfIn PDF document text
    • https://cdn.sqhk.co/teforoke/i5ichhZ/nopidox.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • http://naditoliwinudev.epizy.com/collection_in_java_free.pdfIn PDF document text
    • https://s3.amazonaws.com/tokudapele/96909221601.pdfIn PDF document text
    • https://s3.amazonaws.com/xotomisen/anti_malware_removal_free.pdfIn PDF document text
    • https://s3.amazonaws.com/xixonu/12816514704.pdfIn PDF document text
    • https://s3.amazonaws.com/sepovutapakogaf/58789672099.pdfIn PDF document text
    • http://datadeb.epizy.com/6938696742.pdfIn PDF document text
    • http://nuwumunis.epizy.com/bittorrent_android_location.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 8

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

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d792.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD792 4736 bytes
SHA-256: 3f457df7957cdfd60bd636cbb7fccadeb86be8e1c9b522451d5cea6bd0f5caa2
font_01_sfnt_off0000e78f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE78F 11020 bytes
SHA-256: 457e1b8d60d20144925250ba7a3b627c42bb880d5386a26b0bd8b29f82060386
font_02_sfnt_off00010d11.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10D11 4324 bytes
SHA-256: a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f

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