Malicious PDF — malware analysis report

Static analysis result for SHA-256 e1eb0f9dcb70ab34…

MALICIOUS

PDF

76.0 KB Created: 2021-03-03 23:13:45 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-22
MD5: 50e3045e911a1cf672349e4004707559 SHA-1: 207c3d7b6669d6312f8684c7912066141afcf9cb SHA-256: e1eb0f9dcb70ab3450c68ec2efe3a9170e38db5360fe30da363aa9b945afdff2
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 0.9998

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://gimoguvi.ru/123?utm_term=common+sense+on+mutual+funds+free+pdf PDF link annotation
    • https://cdn.sqhk.co/jopubelo/bhf1hgP/man_down_rihanna.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4384828/normal_600dc1201fa47.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4443608/normal_5fdba0b542c3b.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4420765/normal_5fc8fe1d48c07.pdfIn PDF document text
    • https://cdn.sqhk.co/gederanew/iggdngi/18247925058.pdfIn PDF document text
    • https://cdn.sqhk.co/dorejewibiz/Jlhjljd/suzoruno.pdfIn PDF document text
    • https://cdn.sqhk.co/busumodofu/idRkdVZ/remember_a_horror_adventure_puzzle_game_lite_walkthrough.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4422180/normal_6017b28a426a2.pdfIn PDF document text
    • https://cdn.sqhk.co/nebafori/gvUhfSl/vunomimaporewojurozuna.pdfIn PDF document text
    • https://cdn.sqhk.co/zolulesar/jPiejgU/pixel_starships_mining_drone.pdfIn PDF document text
    • http://tulavesew.getenjoyment.net/ruzekezupafosovibapu.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4462730/normal_602347aec0ebc.pdfIn PDF document text
    • https://cdn.sqhk.co/bivuwusim/fjfjbhf/more_likes_on_instagram_post.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4408319/normal_6020c6a4207cd.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4414848/normal_6005e9df5b9b0.pdfIn PDF document text
    • http://disconto50.info/52064302196pw260.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn 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_off0000ed74.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xED74 5092 bytes
SHA-256: a024e48ca486992d55e657e4a5255f042eea28fc201d1d84a15ef8d3a8f1a16c
font_01_sfnt_off0000fea5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFEA5 10552 bytes
SHA-256: 5f0e69928af31128dab1d2ca5f6f20f0ccbe7c747770a147cd75bdd9ef51b19c

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