Malicious PDF — malware analysis report

Static analysis result for SHA-256 8f43ac3ec3b58e8e…

MALICIOUS

PDF

85.1 KB Created: 2021-02-19 05:37:04 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-22
MD5: 88ae26ad3746abbdcbddb4cebac89a22 SHA-1: f8a041f0ce10d0973dc9b217cccd8567e032bdc6 SHA-256: 8f43ac3ec3b58e8ea30618baa4cd1b6eaab1b7ffed3e6d812a5953d3653d650c
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. It contains an embedded URI pointing to a suspicious domain, which is likely intended to trick the user into visiting a phishing or malware distribution site. The document body, though heavily obfuscated, contains text related to 'Pathfinder world map maker', suggesting a lure to attract users searching for this topic.

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://druttle.ru/wix?keyword=pathfinder+world+map+maker PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4408601/normal_5ff411c39ed65.pdfIn PDF document text
    • https://bisigibibozika.weebly.com/uploads/1/3/4/4/134438783/luxegusinowetelojula.pdfIn PDF document text
    • https://mavoxigomag.weebly.com/uploads/1/3/4/0/134096713/rimuxiso.pdfIn PDF document text
    • https://cdn.sqhk.co/muzorefu/ggdjehg/big_bang_theory_horse_racing_game.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4421477/normal_5fe80918491a9.pdfIn PDF document text
    • https://kodugeji.weebly.com/uploads/1/3/6/0/136089350/mixos.pdfIn PDF document text
    • https://cdn.sqhk.co/ximepadogi/gdgiKib/hockey_stick_length_height_chart.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4451950/normal_5fd28afe2f9d9.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4454678/normal_5fe2f94c221cc.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4448137/normal_60060b859b8e6.pdfIn PDF document text
    • https://tafubevodila.weebly.com/uploads/1/3/4/0/134016741/3666086.pdfIn PDF document text
    • https://cdn.sqhk.co/daborofus/lwChdTL/19514246027.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/jiguwuzobozobaz/the_forest_crafting_guide_app.pdfIn PDF document text
    • http://kixixiwibatogit.epizy.com/aur_pyaar_ho_gaya_songs_pk.pdfIn PDF document text
    • http://nikejubefip.epizy.com/patjhad_sawan_basant_bahar_dj_song.pdfIn PDF document text
    • https://s3.amazonaws.com/pulavokaxe/best_hollywood_movies_links.pdfIn PDF document text
    • https://s3.amazonaws.com/godoremitiwuja/tv_programme_uk_guide.pdfIn PDF document text
    • http://zaposupi.epizy.com/worujeziw.pdfIn PDF document text
    • https://s3.amazonaws.com/paxivogedewilu/vosagewefit.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0001086b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1086B 5260 bytes
SHA-256: 8bc13f97559386f89bcb602fe3c2881f48ad3efd14376de57549614352a57c2c
font_01_sfnt_off00011a30.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11A30 1800 bytes
SHA-256: a36eee06fef6ce219692c4ec918276ac99413e4fd1e3666e4031624f9289d620
font_02_sfnt_off000122bd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x122BD 10656 bytes
SHA-256: 1db7c63b8e97716f54d88017e1654670d4727d5c0fce38c8182a437a0d739aad