Malicious PDF — malware analysis report

Static analysis result for SHA-256 68049dab45e18e19…

MALICIOUS

PDF

71.9 KB Created: 2021-03-24 05:32:29 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 236c6c0cba95b005c6ddc480f6ae1f77 SHA-1: 7c2a688dd019a1a30f8d53dc7b12f64e48b0bdc4 SHA-256: 68049dab45e18e19d7bf555f00f0eea12a598655f3ed4fa2bc7fd7a97beb5566
96 Risk Score

Malware Insights

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

The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The PDF contains an embedded URI pointing to a suspicious domain, likely intended to redirect the user to a phishing or malware distribution site. While no scripts were explicitly extracted, the PDF structure and embedded URLs suggest a phishing lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://kuzutuzo.ru/wix?keyword=western+coastal+plains+rivers
    • http://top-shop-store.website/9438389585474vmy.pdf
    • http://bigwin-1xbet.fun/animate_cc_templates_freeiv71m.pdf
    • http://verification-help.com/delighting_in_the_trinity_study_guideshgso.pdf
    • http://itawegan.space/75287813197uploz.pdf
    • http://creditpm.com/english_grammar_in_use_fifth_edition_amazonufh68.pdf
    • http://jugapus.sportsontheweb.net/abnormal_psychology_butcher_17th_edition.pdf
    • http://tatabumilik.iblogger.org/science_geek_atomic_structure_quiz_answers.pdf
    • https://sazadasixitabe.weebly.com/uploads/1/3/4/4/134404720/04296699b20888b.pdf
    • http://pumujavebedopa.iblogger.org/lagu_a._c._a._b_full_album.pdf
    • http://tavafotuzefox.sportsontheweb.net/google_maps_not_showing_street_view_iphone.pdf
    • http://parkingtest.xyz/anatomy_and_physiology_study_guide_printablehv6zo.pdf
    • http://bluhgang.best/5804344619844nqa.pdf
    • https://faxilazow.weebly.com/uploads/1/3/4/7/134725206/noluziwuxakosop.pdf
    • http://kidepokapila.22web.org/32193664180.pdf
    • https://xudidetopos.weebly.com/uploads/1/3/4/5/134579215/jirowavifovobevu.pdf
    • http://xitabijasava.getenjoyment.net/95908176147.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://67bb8873-ca08-4da4-87c0-60a8072ebff6.filesusr.com/ugd/a838c0_93740180a0c04531b2d67ac6d9e59f38.pdf?index=true
    • https://5fdaa9e0-ad6d-443b-8779-beb8e45026dc.filesusr.com/ugd/05301a_4ca7132256b2474596765656e38753eb.pdf?index=true
    • https://43a2ba88-5de9-465b-b95f-6a4d82f2d06e.filesusr.com/ugd/dcbeda_4897eaf969ea4bb5841c5ed7ef585db2.pdf?index=true
    • 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_off0000dda2.bin
89e8b621121a29ab8e05ed74d8e3e77c73d261bcb52a8c6c8059e87fa3c2ee73		 pdf-font-stream PDF embedded font (sfnt) at offset 0xDDA2 5000 bytes
font_01_sfnt_off0000eec7.bin
545659ac7d340b8dd2299c94c9672d1bf83a3faa9781d3ca5fb35573d676beaf		 pdf-font-stream PDF embedded font (sfnt) at offset 0xEEC7 10480 bytes

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