Malicious PDF — malware analysis report

Static analysis result for SHA-256 79fea4e0c3a3b804…

MALICIOUS

PDF

73.5 KB Created: 2021-03-27 22:36:26 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3076218c52489a490064325f2399d5ed SHA-1: 54b58eeb8896389d6db8b03fb0f2757157ef5bb6 SHA-256: 79fea4e0c3a3b80440e1143339a351a6219bdc176fd5b6cbc41f3508fb5131f2
96 Risk Score

Malware Insights

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

The file is a PDF document that contains embedded URLs, one of which is directly related to the document's apparent lure of 'Tajweed quran dar al maarifah pdf'. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware distribution. The presence of multiple external URIs suggests the document is designed to redirect the user to potentially malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9990

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/aws?utm_term=tajweed+quran+dar+al+maarifah+pdf
    • http://sutarakikim.scienceontheweb.net/annotate_ipad_pro.pdf
    • https://cdn.sqhk.co/lobinazema/hgjadHP/88840889700.pdf
    • http://autobuff.xyz/how_to_reset_gopro_hero_4_blacks9nam.pdf
    • http://mobeditobaxul.scienceontheweb.net/58004068087.pdf
    • http://tuduvodakep.mypressonline.com/65682775073.pdf
    • http://sasegotib.medianewsonline.com/bach_prelude_in_c_major_guitar.pdf
    • http://vumajufeboxidik.mywebcommunity.org/17781613856.pdf
    • http://wonizojaru.scienceontheweb.net/assembler_un_sur_mac.pdf
    • http://com-copyrighit.com/52228049494s4j76.pdf
    • https://cdn.sqhk.co/kimorotadopo/eX2FjpM/ronuludinedagidanaretiji.pdf
    • https://cdn-cms.f-static.net/uploads/4454809/normal_605b85728bd47.pdf
    • https://cdn-cms.f-static.net/uploads/4384831/normal_5fd7f9f06c823.pdf
    • https://static.s123-cdn-static.com/uploads/4457014/normal_5fe57f1831663.pdf
    • http://kavelokafozi.medianewsonline.com/katabesus.pdf
    • http://xagixowedobosab.medianewsonline.com/baldur_s_gate_descent_into_avernus_download.pdf
    • http://bitalotava.scienceontheweb.net/basedubalalebetuso.pdf
    • https://cdn.sqhk.co/webepinovet/hixhagi/4531677682.pdf
    • https://static.s123-cdn-static.com/uploads/4449766/normal_60062cacae554.pdf
    • https://vaxevadokipab.weebly.com/uploads/1/3/4/6/134610393/vemurilifuvijafo.pdf
    • https://cdn-cms.f-static.net/uploads/4374024/normal_60184b2dc3026.pdf
    • https://dodapufil.weebly.com/uploads/1/3/0/8/130813701/381f492d5.pdf
    • https://rujikanonige.weebly.com/uploads/1/3/1/8/131872107/wakirusotabepo.pdf
    • https://cdn.sqhk.co/pumafuki/ciciahc/zidaterobovufegujeg.pdf
    • https://safesawugu.weebly.com/uploads/1/3/2/8/132814337/rejekizojej_bapajeriji.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://baxewape.myartsonline.com/rovigizilawowamiduw.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e060.bin
290b7e3349c81b60101fdbc06958d4059e013b94edb2d296a1e6cb7bc9263058		 pdf-font-stream PDF embedded font (sfnt) at offset 0xE060 5344 bytes
font_01_sfnt_off0000f275.bin
8e3af7af1fc9a31794948c83ff01d0022ec471ff978d89775d76f7ec2408bb3e		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF275 11064 bytes

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