Malicious PDF — malware analysis report

Static analysis result for SHA-256 6fe67dde6b4498f7…

MALICIOUS

PDF

76.8 KB Created: 2021-03-09 18:41:44 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-18
MD5: 6e133bb18d7c1e9c47e5b49130fc7c81 SHA-1: 89fc08ecb6fc7743a68f9ce3cd8c69fc9b64f026 SHA-256: 6fe67dde6b4498f7de86c4d038e0f1d7e8c5cc4150ecd494aaff22958648014f
116 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. It uses a callback-phone (TOAD) lure. 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 0.9991

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
  • 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://lozipotod.ru/wix?keyword=queens+grant+community+school PDF link annotation
    • http://afracheat5.xyz/english_grammar_book_in_hindi_price8uv8k.pdfIn PDF document text
    • http://bandalet.club/doctors_note_template_microsoft_wordbjxgq.pdfIn PDF document text
    • http://meetchat.space/linksys_ea6500_alternative_firmware1lef7.pdfIn PDF document text
    • http://graatorama.fun/70579152498r6i9t.pdfIn PDF document text
    • http://zerkalo-fugicar.website/vujajuvozogeri76d.pdfIn PDF document text
    • http://kawlites.online/antony_and_cleopatra_themesil1vq.pdfIn PDF document text
    • http://rezltml.xyz/88440721244asdzf.pdfIn PDF document text
    • http://newipufisatag.scienceontheweb.net/tableau_training_courses_sydney.pdfIn PDF document text
    • http://shortsomfj.space/zovitowegavafamovigireb9gwo.pdfIn PDF document text
    • https://cdn.sqhk.co/wabajevebe/6yA6peI/amazon_alexa_speaker_review.pdfIn PDF document text
    • https://cdn.sqhk.co/devisofage/jb95hcp/55106766981.pdfIn PDF document text
    • https://cdn.sqhk.co/jafipago/TjiK0ig/learn_to_play_piano_sheet_music_free.pdfIn PDF document text
    • http://jusukigib.sportsontheweb.net/i_pace_max_charge_speed.pdfIn PDF document text
    • http://voirly.xyz/31518022630dlayp.pdfIn PDF document text
    • http://zikewexer.scienceontheweb.net/truyn_kiu_nguyn_du_ng_vn_9.pdfIn PDF document text
    • http://appeal-ig.com/43913351687q1fxv.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/pilazi/33240302684.pdfIn PDF document text
    • https://s3.amazonaws.com/wiwamoxamo/how_to_open_vacuum_sealed_food_bags.pdfIn PDF document text
    • https://s3.amazonaws.com/boxalewijim/40842577279.pdfIn PDF document text
    • https://s3.amazonaws.com/baposivarabuj/vugedotokikobigepiketi.pdfIn PDF document text
    • https://s3.amazonaws.com/zabevog/bedroom_layout_guide.pdfIn PDF document text
    • https://s3.amazonaws.com/dejazuvorira/mewobokepafokero.pdfIn PDF document text
    • https://s3.amazonaws.com/muwemivumazulax/calligraphy_fonts_for_beginners.pdfIn PDF document text
    • https://s3.amazonaws.com/kovilowab/echo_pb-250ln_home_depot.pdfIn PDF document text
    • https://s3.amazonaws.com/tojazudibumogab/vafejelavobume.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_off0000ee80.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEE80 5376 bytes
SHA-256: 277b23a39af18ab896618c92ca5c78f316427565b423d96112fba41220d5f079
font_01_sfnt_off000100a8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x100A8 11284 bytes
SHA-256: a8c5e0924b015949a65bf9e828ebc4f2708088048ab08df1e458b86fab7e79a0

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