Malicious PDF — malware analysis report

Static analysis result for SHA-256 e6048ffbbb6dacdb…

MALICIOUS

PDF

71.4 KB Created: 2021-03-11 13:46:00 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5870060c98d00d60f3b679245050c76f SHA-1: e7d6fc20a144a5e31d9aaa9a5b61e1de20c242b3 SHA-256: e6048ffbbb6dacdb851eb605bf4e0e7f29cf600315d4d114adb50baec1323ad6
96 Risk Score

Malware Insights

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

The PDF file contains an embedded URL that, when visited, likely leads to a phishing or malware download site. The document body, though heavily obfuscated, suggests a lure related to product installation. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or trojan delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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://maypoin.ru/aws?utm_term=rain+bird+sst-900i+installation
    • https://cdn.sqhk.co/soxesemu/jeoghdo/bovelokukapiminelejurateg.pdf
    • https://cdn-cms.f-static.net/uploads/4375342/normal_603c8580b6c83.pdf
    • https://cdn-cms.f-static.net/uploads/4476273/normal_600e071894f82.pdf
    • https://cdn-cms.f-static.net/uploads/4450044/normal_602c57b4bbee7.pdf
    • https://static.s123-cdn-static.com/uploads/4453914/normal_5ffce22e1ee94.pdf
    • https://static.s123-cdn-static.com/uploads/4426820/normal_5feb27ffe271f.pdf
    • https://cdn.sqhk.co/rosivapixove/jagimii/roblox_toys_jailbreak_swat_unit.pdf
    • https://cdn.sqhk.co/mojekuvugise/gxjjDPj/netflix_vr_apk_uptodown.pdf
    • https://static.s123-cdn-static.com/uploads/4369185/normal_5fdce0a4dd2bf.pdf
    • http://janurikemodowu.iblogger.org/koludobumode.pdf
    • https://cdn-cms.f-static.net/uploads/4411682/normal_6019c7cabd537.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://tuzipani.rf.gd/bootstrap_glyphicons-_halflings-_regular._ttf.pdf
    • http://sipawas.epizy.com/wiwebedokogaz.pdf
    • http://nomapalugaji.epizy.com/badagasaxodel.pdf
    • https://08202b68-adf4-4b7d-bb06-fcebe54c78b8.filesusr.com/ugd/76dd3d_88bdc47f35e44dc7a70fc98955dec663.pdf?index=true
    • https://9d1e48ad-bcd7-4831-9b7b-7108443a63b6.filesusr.com/ugd/136d07_f30fccd02160448684c3cdcb4f6bf381.pdf?index=true
    • https://4c5ad993-366d-4b3a-aa99-9b6f56583180.filesusr.com/ugd/01e791_befde83b609c4185b44d5de5374f0660.pdf?index=true
    • https://a54de82d-0003-4787-801b-d7ee719c780a.filesusr.com/ugd/8d57bd_04c121fbe1b1441ba22fa006b1b51987.pdf?index=true
    • https://uploads.strikinglycdn.com/files/57926815-e289-4515-9972-66c0e8bf1098/toxegum.pdf
    • https://uploads.strikinglycdn.com/files/5f245292-3582-4839-a48d-fc0442f1821d/what_is_the_theme_of_the_story_the_monkeys_paw.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

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d26b.bin
7ee4917d0c24cbb71a58ef39e11dce31e9bf3d67b21985c874e3ffb1f8f838ee		 pdf-font-stream PDF embedded font (sfnt) at offset 0xD26B 5296 bytes
font_01_sfnt_off0000e474.bin
07c9c167faf8a9e19038d06a21d955a2c3d01864dd2c776bc6278198646b0ce9		 pdf-font-stream PDF embedded font (sfnt) at offset 0xE474 2184 bytes
font_02_sfnt_off0000edf6.bin
7deb3ead6e1c3ffb17ec55af089074c58e2313acd226bb064a6e0656178194fe		 pdf-font-stream PDF embedded font (sfnt) at offset 0xEDF6 9920 bytes

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