Malicious PDF — malware analysis report

Static analysis result for SHA-256 c7ceac217fefa133…

MALICIOUS

PDF

75.1 KB Created: 2021-03-01 11:45:39 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-26
MD5: af33245c765bed2c32bf91b321c9ec15 SHA-1: 3a5b042b03e80d8d9f7972bd4756afd3da06624f SHA-256: c7ceac217fefa133527bac708d65f232171190bac8040b8b611bca5ddd4d0f27
96 Risk Score

Malware Insights

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

The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan payload. The embedded URL `https://lozipotod.ru/award?keyword=yard+machine+front+tine+tiller+parts` suggests a lure to a phishing site disguised as a search result. While no scripts were explicitly extracted, the PDF structure and the presence of external URIs are indicative of malicious intent, likely to redirect the user to a compromised site for further exploitation.

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://lozipotod.ru/award?keyword=yard+machine+front+tine+tiller+parts PDF link annotation
    • https://cdn.sqhk.co/dewozoju/hfhcnjc/stress_management_skills_meaning.pdfIn PDF document text
    • http://sepoxudozixo.sportsontheweb.net/ap_3d_studio_art_concentration_ideas.pdfIn PDF document text
    • https://cdn.sqhk.co/lipidupi/bhchafx/ups_gonzales_oxnard.pdfIn PDF document text
    • http://topukovatawosu.sportsontheweb.net/xewoxakikanorojo.pdfIn PDF document text
    • https://cdn.sqhk.co/nukebomevobe/0iiTgec/fexawifomubodomijovonoz.pdfIn PDF document text
    • https://cdn.sqhk.co/ruvonusebex/RGjeYUW/71794150626.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4474446/normal_5fc7706786b15.pdfIn PDF document text
    • http://fejekadiwoxobiz.getenjoyment.net/4108339059.pdfIn PDF document text
    • http://fafijitesulexiz.mygamesonline.org/risejesorivojewigu.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/tobito/how_to_change_ringtone_on_jitterbug_phone.pdfIn PDF document text
    • https://s3.amazonaws.com/tigewibejageju/79812513598.pdfIn PDF document text
    • https://s3.amazonaws.com/gujutavevive/barcode_reader_sdk_android.pdfIn PDF document text
    • https://s3.amazonaws.com/zasepo/south_film_video_song.pdfIn PDF document text
    • http://zalowakudedakov.rf.gd/cara_multiplayer_di_gta_sa_lite_android.pdfIn PDF document text
    • https://s3.amazonaws.com/jesidofefe/anonytun_achi_apk_free.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_off0000e1bf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE1BF 5356 bytes
SHA-256: 109b4cc9afed3d252b79a0d09acb071b6de5fd5459579723ddf6fab713ae30f1
font_01_sfnt_off0000f3ce.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF3CE 13984 bytes
SHA-256: dd72bb7c36764156589e141fa2e351426038dab02c31dce660ccf5076c6dce16

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