Malicious PDF — malware analysis report

Static analysis result for SHA-256 2fce4f49cd74f3ea…

MALICIOUS

PDF

95.4 KB Created: 2021-04-03 12:04:57 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 72644f99a1e962454a587d9335a69981 SHA-1: 14e9648bc45c56a48e1ea2918db9e66ad612e699 SHA-256: 2fce4f49cd74f3eaa5873a92f3c5eb320dc992858c5bb403f9a48b8927f6238a
96 Risk Score

Malware Insights

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

The PDF contains an embedded URI pointing to a suspicious domain, and ClamAV detection as 'Pdf.Phishing.Trojan' strongly suggests malicious intent. The document body, though heavily obfuscated, appears to be a lure related to 'Estructura de la administracion publica peruana pdf'. The presence of multiple unknown URLs further supports a phishing or malware distribution campaign.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9994

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://seumenha.ru/award?keyword=estructura+de+la+administracion+publica+peruana+pdf
    • https://cdn.sqhk.co/detokelixipi/jblidjj/gizoresazadekuwemutut.pdf
    • http://indital.space/682762974892o5up.pdf
    • http://metalllift.ru/dexugaboxaderowagixruyc3.pdf
    • http://hisgohar.site/black_and_decker_dustbuster_14.4v_filter1j6ji.pdf
    • https://wimavebitajiki.weebly.com/uploads/1/3/4/6/134609796/2071160.pdf
    • http://raisinslabs.club/pdf_to_word_converter_zamzarnffcd.pdf
    • https://nanivenom.weebly.com/uploads/1/3/0/9/130969334/zudixotuzege.pdf
    • https://berisojelo.weebly.com/uploads/1/3/0/8/130874511/lawiwetelukezo_rofosanifus.pdf
    • https://cdn.sqhk.co/xarupozikala/dxU3Shd/39846304891.pdf
    • https://resodarapasak.weebly.com/uploads/1/3/4/6/134659305/8111419.pdf
    • https://cdn.sqhk.co/jigavozef/Hgc21ii/haunted_corn_maze_in_iowa.pdf
    • http://esmoney.site/77759792666t91o3.pdf
    • https://sivisobimiji.weebly.com/uploads/1/3/4/7/134754783/f8090aaa.pdf
    • http://fontawesome.iohttp://fontawesome.io/license/
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://s3.amazonaws.com/jaxesabi/15108668108.pdf
    • https://uploads.strikinglycdn.com/files/6af9a549-2d34-48cb-a0f0-56f76a122bda/9121232095.pdf
    • https://uploads.strikinglycdn.com/files/b52305f6-bc54-4291-99c2-e8e13f5b2fa7/kixulotewamuxaxivefuwi.pdf
    • https://s3.amazonaws.com/waxegatulo/gidagojefomonenamelaguk.pdf
    • https://uploads.strikinglycdn.com/files/c1aa17ab-f348-4e93-97ef-5e0d942a5fe1/93703473939.pdf
    • https://s3.amazonaws.com/nigimul/31349454327.pdf
    • https://s3.amazonaws.com/vipinib/51970680670.pdf
    • https://uploads.strikinglycdn.com/files/32066d98-2cce-43c5-9d22-b704035d577d/fefokiwetosapunezux.pdf
    • https://s3.amazonaws.com/vipinib/blackberry_phones_android.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_off000127d8.bin
65b1ab32ab10f4bdb690d7962547afa5d1c5a54d075c563b0a91cee66d6dffe1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x127D8 2652 bytes
font_01_sfnt_off0001338b.bin
1cfa53d06e18f8321fd0862373f7062d747485176d679ee8a6f8b7b7b13af9cd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1338B 5400 bytes
font_02_sfnt_off000145cc.bin
6145cf11fe942607b0457a3ee96e4d0ab27dc44a6936372566b782f963343667		 pdf-font-stream PDF embedded font (sfnt) at offset 0x145CC 12976 bytes

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