Malicious PDF — malware analysis report

Static analysis result for SHA-256 6d3d5af962fb2b2b…

MALICIOUS

PDF

83.4 KB Created: 2021-03-10 15:11:01 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 293045d3c443c54eb06871286660a1f2 SHA-1: e59fe52c6ba69ec14c9b0341f0d08fac5c582d57 SHA-256: 6d3d5af962fb2b2baa4dc327408d0bc8b8b13c191ca731ecba8ea8a66f47cb5e
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, suggesting it's part of a phishing or malware distribution scheme. The ML classifier and ClamAV detection strongly indicate malicious intent. While no scripts were directly extracted, the presence of external URIs implies an attempt to redirect the user to a malicious resource, likely a phishing page or a further stage download.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9993

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://dugedepap.ru/award?keyword=cinema+4d+r20+anleitung+deutsch+pdf
    • https://static.s123-cdn-static.com/uploads/4419857/normal_5fddbfa25a293.pdf
    • https://cdn-cms.f-static.net/uploads/4376612/normal_5fd88b694c37c.pdf
    • http://govaxesis.iblogger.org/26857114628.pdf
    • https://cdn-cms.f-static.net/uploads/4487662/normal_6017fa16c7da8.pdf
    • https://cdn-cms.f-static.net/uploads/4470532/normal_6012d92c88797.pdf
    • https://cdn-cms.f-static.net/uploads/4420765/normal_601dcc020b33d.pdf
    • https://static.s123-cdn-static.com/uploads/4491673/normal_5ff1e969ab6c6.pdf
    • http://bostpolamos.site/how_to_read_the_original_rider_waite_tarot_cardstbd4e.pdf
    • http://luduloze.iblogger.org/lelogipekikum.pdf
    • http://7lessons.space/snipers_vs_thieves_classicwswzx.pdf
    • https://static.s123-cdn-static.com/uploads/4503787/normal_5fe262171e089.pdf
    • https://cdn-cms.f-static.net/uploads/4454055/normal_600a226ee37c3.pdf
    • https://static.s123-cdn-static.com/uploads/4481528/normal_5ffe7aa034504.pdf
    • http://help-nanny.site/arena_swimming_goggles_cobra_ultra2tiwj.pdf
    • http://vitedotom.iblogger.org/kekuwipap.pdf
    • http://dasiroxejipi.22web.org/channa_mereya_ninja_movie_filmywap.pdf
    • https://cdn-cms.f-static.net/uploads/4382408/normal_6019b4895ecd2.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://tosememab.rf.gd/tixokobej.pdf
    • http://rowovotufuru.epizy.com/tmux_cheat_sheet_os_x.pdf
    • https://uploads.strikinglycdn.com/files/b93e262c-437a-4722-abe2-d7ee816b9072/20132177500.pdf
    • http://losoxapo.epizy.com/self_reliance_credit_union_new_york.pdf
    • https://uploads.strikinglycdn.com/files/317c86c4-97fe-4017-bb11-426afa8a4522/bifalasibofes.pdf
    • https://uploads.strikinglycdn.com/files/7283ac93-3fab-4fdf-ad8e-d79805e0b32d/dollar_general_employee_theft_policy.pdf
    • https://uploads.strikinglycdn.com/files/e60dec64-8e0c-4078-a7fa-931135ffb869/tracfone_lg_k31_rebel_smartphone_reviews.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_off0001061f.bin
ad2f4eaad320d13ffdf3503f2fd0d670cd5f849317f04d30cf3d3234572a963e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1061F 5836 bytes
font_01_sfnt_off000119d6.bin
5a48cba1230736c109f93842013b5d15553b8a2f9ac4150f3dc8565665c8f9e1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x119D6 11024 bytes

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