Malicious PDF — malware analysis report

Static analysis result for SHA-256 6142512f8fe68bfb…

MALICIOUS

PDF

84.0 KB Created: 2021-02-21 12:42:19 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4cc9217c9bb62c857a4f0ebb6626d6e3 SHA-1: a7aa009f518dc047607111a5c7afeeef9b63751a SHA-256: 6142512f8fe68bfbfb652e6ce111553bb9b0182bbc11255973e3c1e394d732af
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 likely intended to trick the user into believing it is a legitimate search result. The PDF structure itself does not contain executable scripts, but the presence of the malicious URI and the overall detection strongly suggest a phishing or credential harvesting attempt.

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://druttle.ru/wix?keyword=holy+priest+talents+classic
    • https://static.s123-cdn-static.com/uploads/4446390/normal_5fecfaf45e3bf.pdf
    • http://movasolusid.iblogger.org/work_permit_application_form_europe.pdf
    • https://cdn.sqhk.co/sipobufiw/thaewjd/craftsman_gold_6._75_lawn_mower_oil_capacity.pdf
    • https://static.s123-cdn-static.com/uploads/4420761/normal_5fee98a09688d.pdf
    • https://cdn.sqhk.co/bapuwanuvadi/Tt1giqD/grandparents_day_gifts_from_baby.pdf
    • https://cdn.sqhk.co/mikevoponage/ngdidie/clockwise_90_degree_rotation_calculator.pdf
    • https://static.s123-cdn-static.com/uploads/4426267/normal_5fe23fafec560.pdf
    • https://cdn.sqhk.co/dafisuwikib/cJgdibK/counter_terrorist_2_game_apk.pdf
    • https://cdn.sqhk.co/xoberuweri/Zqjhajf/yellow_light_bulbs_target.pdf
    • http://prodive.su/mokadidugek71fn.pdf
    • https://cdn.sqhk.co/saboretiki/cshigfV/1638988142.pdf
    • https://cdn.sqhk.co/vemudumuxixu/gwqhfHB/41233662708.pdf
    • https://static.s123-cdn-static.com/uploads/4486534/normal_600468b6a82f4.pdf
    • https://cdn.sqhk.co/fukonovum/dLghtre/reckless_racing_3_apk_free_download.pdf
    • http://gizaripe.iblogger.org/ryobi_charger_blinking_red_and_green_without_battery.pdf
    • https://cdn.sqhk.co/mavozopofug/yHYRiha/one_punch_man_season_3_netflix_release_date.pdf
    • http://spain50off.info/what_is_the_difference_between_gantt_chart_and_critical_path_methodbdkxu.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://xegefonupekowa.epizy.com/55696304260.pdf
    • http://damikofem.rf.gd/vmware_workstation_pro_trial.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00010df6.bin
fcc45185a1d0e69a49087d0bffe5f2945a1ed175f2a422bb42a8383a69e865b6
pdf-font-stream PDF embedded font (sfnt) at offset 0x10DF6 4988 bytes
font_01_sfnt_off00011f03.bin
0d32b908ec99f89e722b806985311ddb0c1a6d46ce850f114666ae8e92b618c0
pdf-font-stream PDF embedded font (sfnt) at offset 0x11F03 10472 bytes