Malicious PDF — malware analysis report

Static analysis result for SHA-256 da0752234719d96b…

MALICIOUS

PDF

82.0 KB Created: 2021-03-11 16:46:48 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-06-20
MD5: bb91fc2dedb3d5fe46b382994c8f241d SHA-1: 457b62e4d85af62a6de52ab75d7e8a2df5fedcf5 SHA-256: da0752234719d96b5f690e257a67956444a21249a0d03b95f0fb411b4ee16dae
96 Risk Score

Malware Insights

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

The file is a PDF document that contains an embedded URL pointing to a suspicious domain. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or malware distribution. The presence of an external URI heuristic further supports the attempt to redirect the user to a potentially harmful website.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://dugedepap.ru/award?keyword=apics+cscp+certified+supply+chain+professional+module+1+pdf PDF link annotation
    • https://kovekigesig.weebly.com/uploads/1/3/1/1/131164481/xojoladapa_bivowegawob.pdfIn PDF document text
    • http://gevixadita.22web.org/68463148763.pdfIn PDF document text
    • https://dirusase.weebly.com/uploads/1/3/1/0/131070798/e9269.pdfIn PDF document text
    • http://gizaxeredemuni.22web.org/nugevaniguteweruzatobulo.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • http://rojaxenutu.rf.gd/why_are_my_smart_lights_not_responding.pdfIn PDF document text
    • http://rakumutebita.epizy.com/76042008000.pdfIn PDF document text
    • https://s3.amazonaws.com/jazuravazaguz/favuri.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/5212d110-a3f2-4f7a-b76d-4db552cfa395/mokeduwe.pdfIn PDF document text
    • https://s3.amazonaws.com/debiwelof/waziru.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/dc64ecd1-fbe9-4bf0-a71b-883b93f47007/la_chacra_restaurant_isla_plana.pdfIn PDF document text
    • https://s3.amazonaws.com/fuwawibu/81493801381.pdfIn PDF document text
    • http://nimetegukixiz.rf.gd/rebecca_daphne_du_maurier_first_edition.pdfIn PDF document text
    • https://3485775d-af35-4505-8fb4-f6750f575e04.filesusr.com/ugd/42f18e_1636f8cc446144baa4bf7a27773f803f.pdf?index=trueIn PDF document text
    • https://uploads.strikinglycdn.com/files/1466a59f-a173-4117-8e44-f8aa0f4caf75/48064492159.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/3fa0818e-f444-4c75-a832-95611fedc97e/how_to_shoot_candid_photography.pdfIn PDF document text
    • https://d17f4099-ecc1-42b1-9c73-51521793457c.filesusr.com/ugd/4a2613_2c949419f70c49178017d0e2ce1379fc.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/fidefofudi/12553833935.pdfIn PDF document text
    • http://jabulimoj.rf.gd/anatomy_of_carpal_tunnel.pdfIn PDF document text
    • http://xepalufozakot.epizy.com/meralowovakufeguvurufe.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e4d3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE4D3 4732 bytes
SHA-256: b07e619a25a33799e538c8f2253b054770fe19d51ef451f44c38d6ceceedc5fe
font_01_sfnt_off0000f577.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF577 5420 bytes
SHA-256: 7bdcbeef9faf5406ba89d815c4ab63e6567b8c29dda596c45e556b21b827d55a
font_02_sfnt_off000107b7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x107B7 10476 bytes
SHA-256: 290dc1309872b5d7ad052a220f401fc0138949940e729a45ba5bc32bba9a107a
font_03_sfnt_off00012b90.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12B90 4324 bytes
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3

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