Malicious PDF — malware analysis report

Static analysis result for SHA-256 62dda5de1d2cd23a…

MALICIOUS

PDF

78.6 KB Created: 2021-03-14 11:49:41 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: c89cc96ad1541bf1095184a8b3622896 SHA-1: 9bc3d8d3acea3882bfaaf924bbc1aad8d3103da0 SHA-256: 62dda5de1d2cd23a3d38f82c4886f4cd33acc36afe4f9c4db8312f649010c4e3
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-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://golowaki.ru/strik?utm_term=kayla+itsines+ab+workout+cosmo PDF link annotation
    • https://cdn.sqhk.co/fotenulutis/mhdijhg/bully_game_for_android.pdfIn PDF document text
    • https://cdn.sqhk.co/vilomikov/hZif4if/street_food_kitchen_chef_cooking_game_play_online.pdfIn PDF document text
    • https://cdn.sqhk.co/wosipuvetot/vyhdifV/learn_android_programming_language.pdfIn PDF document text
    • https://cdn.sqhk.co/kikolibub/0hicgfF/72069833313.pdfIn PDF document text
    • https://cdn.sqhk.co/wapogade/eyhbheD/losojurakawa.pdfIn PDF document text
    • http://dizititakozazi.mywebcommunity.org/speech_writing_samples.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4365547/normal_5fe3a4122b8b5.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4366317/normal_5ff88e274bca5.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4384825/normal_6046ee8d291ee.pdfIn PDF document text
    • https://cdn.sqhk.co/garisuvonuk/hcrgg21/loxopuzuvojozuvoroxa.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4467273/normal_5fdba7afaeaed.pdfIn PDF document text
    • https://cdn.sqhk.co/busosuwik/hehjRRR/longhorn_eclub_sign_up.pdfIn PDF document text
    • https://cdn.sqhk.co/senuziker/de2a0jc/99584429079.pdfIn PDF document text
    • https://cdn.sqhk.co/soxuvezosapa/ii8ZieP/fleet_combat_2_apk_download.pdfIn PDF document text
    • https://cdn.sqhk.co/rajunakeb/bf7KifA/tomb_of_the_mask_level_127.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/dfe59a1a-3bea-42bc-b368-eedd7b4c7df4/42039835844.pdfIn PDF document text
    • https://s3.amazonaws.com/jedadokuti/where_do_math_symbols_come_from_-_john_david_walters.pdfIn PDF document text
    • https://s3.amazonaws.com/vibuvomomuv/bizuw.pdfIn PDF document text
    • http://pupagerirawax.myartsonline.com/can_you_flat_tow_a_dodge_durango_2018.pdfIn PDF document text
    • https://s3.amazonaws.com/pegebunov/oh_k_bubble_sheet_mask_review.pdfIn PDF document text
    • https://s3.amazonaws.com/kifutizijebuj/what_does_dai_post_stand_for.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b82d314e-a7aa-4eca-9a00-4008387b3ac0/71393519028.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_off0000f64c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF64C 5312 bytes
SHA-256: 82ac96c3aeb419b70b18c85dde146519e287677712e68f7b21a2cc7ebf568f4c
font_01_sfnt_off00010861.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10861 10940 bytes
SHA-256: 38493b42992603acdc735ba27638030d2df7e8e565ab40251ffb667976ec38a2

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