Malicious PDF — malware analysis report

Static analysis result for SHA-256 716285db81dc17aa…

MALICIOUS

PDF

95.1 KB Created: 2021-03-13 19:01:15 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-24
MD5: 72de6b890a502dd440a7134b26bb410e SHA-1: 99a4281bb4defa86f0a8dbb0cfe727cfb43e995d SHA-256: 716285db81dc17aadc155e1023592c75142bdfe65934bbfdf379a0e7f6955037
96 Risk Score
Tags
free-cdn-ebook-manual-lure

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 0.9997

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://resalured.ru/123?utm_term=chiquitos+menu+nutritional+information PDF link annotation
    • https://cdn.sqhk.co/pulafefer/gfahbgi/sound_booster_goodev_pc.pdfIn PDF document text
    • https://cdn.sqhk.co/sobexofap/XhIeChf/sniper_range_game.pdfIn PDF document text
    • http://bubobimurasawe.iblogger.org/what_is_the_syllabus_of_english_class_10.pdfIn PDF document text
    • https://cdn.sqhk.co/pirujezexod/OhdVugg/public_school_teacher_cover_letter.pdfIn PDF document text
    • https://cdn.sqhk.co/bezakebijuk/o9Fjghf/planet_bomber_elite_missiles.pdfIn PDF document text
    • https://cdn.sqhk.co/woselukafo/hdSmjfr/arkham_starter_decks_spoilers.pdfIn PDF document text
    • https://cdn.sqhk.co/tipusuzog/gfpVqjh/aimpoint_putting_review.pdfIn PDF document text
    • https://cdn.sqhk.co/jawutuwek/1hfDhdT/wupovotizikojefoju.pdfIn PDF document text
    • https://cdn.sqhk.co/veletafi/ihc9ZQO/76896872703.pdfIn PDF document text
    • http://defupezive.iblogger.org/26217449696.pdfIn PDF document text
    • https://cdn.sqhk.co/pulovafafita/ooifihx/easy_cub_scout_craft_ideas.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/ea8297ec-7c7d-4dd1-89b5-18866b230f3d/pretty_little_liars_free_season_4.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/a66771eb-187f-4824-b1b2-e62ed63d9f92/13898527692.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/5e5aea8b-8914-49c0-994d-baeb54a51cee/wendys_hamburgers_near_me.pdfIn PDF document text
    • http://govatojajij.epizy.com/cherry_tree_school_colchester_ofsted_report.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/cdd33fa3-30b0-45c1-be91-1bad578cdf71/how_to_factory_reset_dell_laptop_using_command_prompt.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/bfab49ae-fb99-47d6-809b-2f99a92d2173/how_to_change_toner_in_samsung_xpress_m2880fw.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/eded03c6-e24f-4eab-8659-76152fcb9339/ar_15_blueprints_3d_printer.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/44a19a7e-4870-4acd-ae6a-cb47accd4d29/21954096099.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/cb06bb40-ac0b-4c0f-b5d7-ce07b7fd7ead/samsung_galaxy_s5_price_in_pakistan_second_hand.pdfIn PDF document text
    • http://rarazimefuv.rf.gd/concierto_de_aranjuez_brass_band.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ddac15bf-e819-4f6e-aa59-aeb1f0c32ed9/bunker_hill_security_36_led_solar_security_light_instructions.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00013665.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x13665 5036 bytes
SHA-256: a9514686382a32d19ac8e247a45b0d79a8630170415c3b969170c6e9d83e0c15
font_01_sfnt_off00014754.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x14754 11728 bytes
SHA-256: 0c1d5b0745c39eb18557862a0976ca495ee64f36c641900cecf7bc640f636659

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