Malicious PDF — malware analysis report

Static analysis result for SHA-256 6067a984023136fe…

MALICIOUS

PDF

75.5 KB Created: 2021-04-05 07:52:39 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3c7b72544a0604ce4f69808503f7f2ac SHA-1: 2503685455295e108276876e8720236db09f90b1 SHA-256: 6067a984023136fe5e61ba0162e2750ea2fb88e3b36ef3e99c82e71722c9602b
96 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file contains an embedded URI that points to a suspicious domain, likely intended for phishing or malware distribution. The ML classifier and ClamAV detection strongly indicate malicious intent. Although no scripts were explicitly extracted, the presence of embedded URLs and the overall detection suggest the document is designed to trick users into visiting a malicious site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9993

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://kuzutuzo.ru/strik?utm_term=how+to+replace+icemaker+water+valve
    • http://risumeboze.getenjoyment.net/zonopebepomefewiluwakuj.pdf
    • https://cdn.sqhk.co/wirujurumugi/eoPiahi/rpg_crystareino_mod_apk.pdf
    • https://static.s123-cdn-static.com/uploads/4454821/normal_5fc5e1ec939f1.pdf
    • https://cdn-cms.f-static.net/uploads/4413583/normal_603122c59a023.pdf
    • http://dawexefif.getenjoyment.net/hdfc_life_blue_chip_fund.pdf
    • http://xanusojuruxu.sportsontheweb.net/message_broker_tutorial.pdf
    • https://static.s123-cdn-static.com/uploads/4380531/normal_5fec7a469d4cd.pdf
    • https://cdn.sqhk.co/teketerep/oeJhgji/best_video_camera_app_for_android_free_download.pdf
    • https://cdn-cms.f-static.net/uploads/4495271/normal_605b0a671ac2e.pdf
    • https://cdn.sqhk.co/bogivinon/hez8Tgg/76551552595.pdf
    • https://cdn-cms.f-static.net/uploads/4463306/normal_603690a6eda16.pdf
    • https://cdn.sqhk.co/podidiwi/ajigfjh/hero_xpulse_200_on_road_price_in_chennai.pdf
    • https://movabeze.weebly.com/uploads/1/3/0/8/130814110/7472026.pdf
    • https://wilubowedawiwo.weebly.com/uploads/1/3/4/5/134528918/buvikaga.pdf
    • https://cdn.sqhk.co/baxotonad/dugisic/xedaki.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://jowawaba.atwebpages.com/23904762336.pdf
    • https://uploads.strikinglycdn.com/files/315b697d-18d3-4eb0-9faf-edb3b34eaa4c/jenadipemirata.pdf
    • https://uploads.strikinglycdn.com/files/f9421e67-0a69-42b0-b019-c2a1f26374bc/99720379665.pdf
    • http://fazaburifug.myartsonline.com/vodixelamuguzaf.pdf
    • https://uploads.strikinglycdn.com/files/0f1a799f-e408-47ac-9bf9-d9c771193980/vuporaxidanabubawaj.pdf
    • https://bcbc83ff-a82b-4234-bf1d-c69e8cae54d5.filesusr.com/ugd/057c82_81117e8479664f4ab00f88685750f86b.pdf?index=true
    • https://034618a9-9b39-4f41-ad18-95bca1d1c80b.filesusr.com/ugd/48d9a1_62638ac6a5b140c4b494a46279921d7e.pdf?index=true
    • https://edefa294-c65c-46c5-840b-8a4669b9fdfe.filesusr.com/ugd/e4a001_93df68dda7a145f784fc4b537d5b3fab.pdf?index=true
    • 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_off0000ebf7.bin
5970ab56a4ef1ece3230c3775c380218de235deae998eac3e4e32b2e46e33502		 pdf-font-stream PDF embedded font (sfnt) at offset 0xEBF7 5076 bytes
font_01_sfnt_off0000fd3a.bin
07d5878d858575cdb4b76ced6ad27402e5b7897220d1b5c8995dda91ee01f3ca		 pdf-font-stream PDF embedded font (sfnt) at offset 0xFD3A 10328 bytes

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