Malicious PDF — malware analysis report

Static analysis result for SHA-256 ba6e2ed53222ed1d…

MALICIOUS

PDF

86.2 KB Created: 2021-03-22 09:16:05 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-07-02
MD5: 2b1a1af8834e62c48d560c315baf219e SHA-1: 66c131f4592d1e621a75443956a26776616041ed SHA-256: ba6e2ed53222ed1d4205230cd4341fb4aff59f7f93dde9dd7b9896f76bc5be5d
96 Risk Score

Malware Insights

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

The file is identified as malicious by ML classifiers and ClamAV, specifically as a phishing trojan. It contains an embedded URI pointing to a suspicious domain, which is a strong indicator of a phishing or malware distribution attempt. The document body, though heavily obfuscated, suggests a lure related to 'Cctv camera types pdf'. No scripts were extracted, but the presence of external URLs and the nature of the detection suggest the document's primary purpose is to redirect users to malicious content.

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://leonvi.ru/award?keyword=cctv+camera+types+pdf PDF link annotation
    • https://cdn.sqhk.co/fokapalo/gd1ELq3/maths_tricks_for_fast_multiplication.pdfIn PDF document text
    • https://cdn.sqhk.co/zoxunoromi/bPgfWhf/fupaximezemusidut.pdfIn PDF document text
    • https://cdn.sqhk.co/panajevem/phjgfha/lexical_word_finder_scrabble_cheat.pdfIn PDF document text
    • http://afracheat5.xyz/pokemon_hyper_emerald_rom_free_downloadhqykl.pdfIn PDF document text
    • http://instapodarok.site/superhero_in_flightxwmah.pdfIn PDF document text
    • https://cdn.sqhk.co/satasevubu/3Mpgfgj/48266579867.pdfIn PDF document text
    • http://datinge.site/wuwiwunewixotibupbmzb.pdfIn PDF document text
    • https://cdn.sqhk.co/nafusomo/gcF4fxA/53330708395.pdfIn PDF document text
    • https://cdn.sqhk.co/wanowofimaz/EmQjjid/64416792382.pdfIn PDF document text
    • http://useplafond.xyz/euclidean_distance_transformidwsq.pdfIn PDF document text
    • https://cdn.sqhk.co/lagolipumepi/1zgeKzs/86053204258.pdfIn PDF document text
    • http://stavki.link/nature_beautiful_hd_wallpaper43ix2.pdfIn PDF document text
    • https://cdn.sqhk.co/niripakexad/Dgfhfjc/jiruwutobekuzevuw.pdfIn PDF document text
    • https://cdn.sqhk.co/jurufovowufu/mhj50KO/zatozutesenusobamozigu.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/0f4c13e5-5586-4ee8-85a8-b053945bb8e0/80794862152.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/04cfd095-64ee-47a6-a650-ebf1580abc2a/85706103437.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/46cde758-dc40-44fc-af68-428d5b19b95a/ruvazujukebafin.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c30e08a0-0ad0-4111-8cf2-15af390ae353/what_degree_does_a_medical_lab_technician_need.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c34d9092-5e48-4b3b-a076-6ca655b53416/vebozupirulasigeriwesidi.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_off000113c1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x113C1 5336 bytes
SHA-256: 1cb0391b7585c1e8d3e180e7e5177f16a3f144d7ca12a02491b1d82d586eb2d9
font_01_sfnt_off000125e2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x125E2 11004 bytes
SHA-256: eb20548be240cb4fbc1524a914bfc0b197c8543df87cdc1817f446aeb90f0fc2

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