Malicious PDF — malware analysis report

Static analysis result for SHA-256 5627d005788b49d0…

MALICIOUS

PDF

80.2 KB Created: 2021-05-11 08:20:31 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: cd55bfed6eae1d1f7fb56b597190534a SHA-1: b5ecefc224674e5eb50fb6cd2235a49aee4c996e SHA-256: 5627d005788b49d05220b09aa1e730e7f6ffe48b4e75cec46ce9135753f99ac2
96 Risk Score

Malware Insights

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

The PDF file contains an embedded URL that redirects to a suspicious domain, likely for phishing or malware distribution. The ML classifier and ClamAV detection strongly indicate malicious intent. Although no scripts were explicitly extracted, the PDF structure and embedded URI suggest it's designed to exploit vulnerabilities or trick users into visiting a malicious site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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://jumiwimov.ru/strik?utm_term=what+is+the+best+color+for+a+mustang
    • http://xeeewq.xyz/vulozexugelosolezea1lzb.pdf
    • http://hotsales-com.xyz/nenodexilitetasizonivizefv4wx6.pdf
    • http://temivenoni.iblogger.org/jatamaked.pdf
    • http://vorgazme.com/what_to_do_when_a_dogs_owner_diesczk5p.pdf
    • http://quickpapp.online/kitanexafubaxanimermdl.pdf
    • http://ruguwafe.scienceontheweb.net/patrice_lumumba_biografia.pdf
    • http://ejinaya.com/romeo_and_juliet_easy_bookt9t93.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://72cee60b-533f-4fda-9f40-87b1bb6f0553.filesusr.com/ugd/590778_b54d19e395c64a11b4d49fdc0f2551ae.pdf?index=true
    • https://c648594f-1c58-4fff-a3fb-17023aaf673d.filesusr.com/ugd/12745a_fca29174a62943f9b392fbd043651e20.pdf?index=true
    • https://uploads.strikinglycdn.com/files/017eaa79-05bb-4a63-b1e9-2a29193eef21/17924070211.pdf
    • https://uploads.strikinglycdn.com/files/f663c0ac-59ee-432f-a916-5d73ee0e161b/best_way_to_use_protein_shake_bottle.pdf
    • https://b7af6bb9-01eb-4839-ab56-764651de4344.filesusr.com/ugd/2486b5_52962c66377f44bc941e83aeb3d09a02.pdf?index=true
    • https://uploads.strikinglycdn.com/files/c1470549-9eec-4619-933d-c2a82712dae5/percy_jackson_demigod_files_movie.pdf
    • http://gewagopixinilu.rf.gd/tasugab.pdf
    • http://sipijukat.epizy.com/can_you_be_a_marketing_manager_without_a_degree.pdf
    • http://pewukexi.epizy.com/97491160712.pdf
    • http://bojonovaja.rf.gd/chutkule_image_photo.pdf
    • https://c93e3e17-565c-496b-95a0-45fea83b015f.filesusr.com/ugd/cd9bb8_ece5e7c742fe44d0bc9ec3c578f09c77.pdf?index=true
    • https://45f61934-b4a1-4335-a9e3-e142d9465b5b.filesusr.com/ugd/0dd040_24655a784f45452582210e17185bc7fb.pdf?index=true
    • https://uploads.strikinglycdn.com/files/88427b05-e071-45d9-9364-43c9463d2b83/aircraft_maintenance_engineering_colleges.pdf
    • http://niwurekatexo.atwebpages.com/entrepreneurship_class_12_ncert_book.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_off0000fc98.bin
24e7dfc8a22439c534ecf20805f8dee539fb08704756f9032b429801191c3f96		 pdf-font-stream PDF embedded font (sfnt) at offset 0xFC98 5448 bytes
font_01_sfnt_off00010f02.bin
f4d80f7901c454a8489fb68883b1d56452c74f8ced994b32699e2fdea4e35559		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10F02 10560 bytes

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