Malicious PDF — malware analysis report

Static analysis result for SHA-256 e9f516913185cfed…

MALICIOUS

PDF

216.7 KB Created: 2021-04-17 00:25:23 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-21
MD5: bc54bdfd520e910700bbc922b5b090fe SHA-1: 204fc5794433b6cb9cb655d4ba0cc9dbdb2ff80c SHA-256: e9f516913185cfed54d7fab84e70d3cc15e4edfa317df632e01ce7db1852df2d
104 Risk Score

Malware Insights

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

The PDF document contains an embedded URI pointing to a suspicious domain, identified as malicious by ClamAV and ML classifiers. The heuristic 'SE_URGENCY_LURE' suggests the document uses deceptive language to prompt user interaction. While no scripts were explicitly extracted, the PDF structure and embedded URLs indicate a phishing attempt to redirect users to malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9856

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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://soxebez.ru/strik?utm_term=new+jersey+driver+2015+ibc PDF link annotation
    • https://wovovude.weebly.com/uploads/1/3/1/3/131397940/5536c9b4ec19ff.pdfIn PDF document text
    • https://vavaxomutiposev.weebly.com/uploads/1/3/0/7/130738712/2191674.pdfIn PDF document text
    • https://fulodovujigiw.weebly.com/uploads/1/3/4/0/134016909/mejajodija-bigamovidibanud.pdfIn PDF document text
    • https://lamononokavaf.weebly.com/uploads/1/3/4/8/134878444/sosokufemuv.pdfIn PDF document text
    • http://trynutra.shop/17559152701ubs8g.pdfIn PDF document text
    • https://kamojadatuxam.weebly.com/uploads/1/3/5/3/135316538/69c86.pdfIn PDF document text
    • https://peniwifagupe.weebly.com/uploads/1/3/0/7/130738894/ruxukez-lugazig.pdfIn PDF document text
    • https://repemokalit.weebly.com/uploads/1/3/1/8/131856723/9022027.pdfIn PDF document text
    • http://save50.pro/can_you_still_buy_revere_ware_pots_and_pansvnn57.pdfIn PDF document text
    • https://resusogid.weebly.com/uploads/1/3/5/3/135346187/5cd708a7ede2af.pdfIn PDF document text
    • http://blablablacar.online/dragon_ball_z_tag_team_save_data_ppssppxrs87.pdfIn PDF document text
    • https://wojumujar.weebly.com/uploads/1/3/5/3/135396772/4409439.pdfIn PDF document text
    • https://lulegosepo.weebly.com/uploads/1/3/0/9/130969478/5279855.pdfIn PDF document text
    • https://taxurazuzar.weebly.com/uploads/1/3/4/0/134042721/rosonokasojuxoxoko.pdfIn PDF document text
    • https://fanamavikere.weebly.com/uploads/1/3/4/6/134610997/palixovov.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://8aefc570-8454-48c3-bb63-d4d1067b7ce0.filesusr.com/ugd/5c9621_d8f0df1d999544d99aeb277c57cfc06c.pdf?index=trueIn PDF document text
    • https://00c0516a-c822-4344-a779-6f74e039753d.filesusr.com/ugd/9e41f0_78a62e2a34bd424caa2e87d0837ff322.pdf?index=trueIn PDF document text
    • https://41d9b059-0b17-466b-96e6-f31a3f3e9b19.filesusr.com/ugd/f1ead9_3d42741996a1464ba2c23e6f62417899.pdf?index=trueIn PDF document text
    • https://0524119b-9543-44d4-a9c1-6a2a85ae2681.filesusr.com/ugd/b12506_80ec7d60c3bb4335a59e7c9027b01550.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/mejobu/vintage_casio_calculator_manual.pdfIn PDF document text
    • https://s3.amazonaws.com/welanisowari/house_on_a_hill_lyrics_amanda_cook_chords.pdfIn PDF document text
    • https://s3.amazonaws.com/vigevot/how_many_pages_is_hunger_games_mockingjay.pdfIn PDF document text
    • https://c948e902-2437-43f3-9f1e-7aaad30688a7.filesusr.com/ugd/464a75_ba048b7666ce4d37b2c4a63d4cc4795e.pdf?index=trueIn 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_off00031bb7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x31BB7 5580 bytes
SHA-256: f03bc988757cf8a361dc8cf9eb3d18b4b7a13a33fb91291a17888b0e5425b575
font_01_sfnt_off00032efa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x32EFA 10896 bytes
SHA-256: 04d3655811f5458256f2f00c4756af9013932dffa9fcaf0d25a4894de6f301e2

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