Malicious PDF — malware analysis report

Static analysis result for SHA-256 7dc73257d3b33f8f…

MALICIOUS

PDF

76.3 KB Created: 2021-03-08 06:00:09 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: aa77c1b99dfe45ec71e984e3dda2fbf7 SHA-1: 29873eb2865f45aceea84e0d4da12200b264365a SHA-256: 7dc73257d3b33f8f79827cc514c789a95f76c60279849e40b848f2ad7b98b49f
96 Risk Score

Malware Insights

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

The file is identified as malicious by ML classifiers and ClamAV, indicating a phishing attempt. The embedded URL, https://xezojetit.ru/strik?utm_term=what+another+word+for+first+impression, is likely the primary lure, directing users to a potentially malicious site. While no scripts were explicitly extracted, the PDF structure and heuristics suggest it's designed to exploit vulnerabilities or redirect users, aligning with a phishing attack pattern.

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://xezojetit.ru/strik?utm_term=what+another+word+for+first+impression
    • http://rukozhop-guide.com/fulanamimazudekafxxkt7.pdf
    • http://barajofa.mywebcommunity.org/how_to_change_s9_charging_port.pdf
    • https://cdn-cms.f-static.net/uploads/4446147/normal_6032330b62c4e.pdf
    • http://dayzcommunity.info/felikagarip25.pdf
    • https://cdn.sqhk.co/supetuzitepi/cCjijeU/mamujanuvigiwakuna.pdf
    • https://static.s123-cdn-static.com/uploads/4409393/normal_5ff618d7b1b17.pdf
    • https://static.s123-cdn-static.com/uploads/4487916/normal_5fe10172c8c53.pdf
    • https://cdn-cms.f-static.net/uploads/4476127/normal_603f4197c526b.pdf
    • https://ligenoleka.weebly.com/uploads/1/3/4/4/134496601/9b0dff14da8402f.pdf
    • http://fipizilemuwob.medianewsonline.com/interview_questions_for_teacher_assistants_preschool.pdf
    • https://fozapiko.weebly.com/uploads/1/3/0/9/130968993/numubeloxamevol_rofozeduwure.pdf
    • http://nejupike.mygamesonline.org/how_much_is_iphone_5c_price_in_nigeria.pdf
    • https://cdn.sqhk.co/xibetevoxaj/0fXAig7/master_cat_pet_shop_in_delhi.pdf
    • https://cdn.sqhk.co/nodezaneripe/dgffPhg/commander_legends_spoiler_season_schedule.pdf
    • https://cdn-cms.f-static.net/uploads/4414334/normal_60166a0733b50.pdf
    • https://cdn.sqhk.co/wimedizi/cPhjsWM/vikings_ivar_wife_returns.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://s3.amazonaws.com/wufujudisu/noligivazolatobu.pdf
    • http://resilasijajatil.myartsonline.com/samsung_bd-h6500_manual.pdf
    • https://s3.amazonaws.com/tifuwuw/chemistry_notes_form_5_chapter_3.pdf
    • 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
    • http://dejavu.sourceforge.net
    • http://dejavu.sourceforge.net/wiki/index.php/License

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d4e7.bin
88a41ab45f856852f628ccba6fed5f429192f432ffa13610edb50c8e2dea7e37		 pdf-font-stream PDF embedded font (sfnt) at offset 0xD4E7 5352 bytes
font_01_sfnt_off0000e70c.bin
49db20951150c14bdb189daf03570a2b33fc833489301b199b020fba6ee02371		 pdf-font-stream PDF embedded font (sfnt) at offset 0xE70C 11432 bytes
font_02_sfnt_off00010e41.bin
f4e0a33b594647fbb296a322b9250dce1064f7d1d5fdf1b61004eb46530ca58b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10E41 16316 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.