Malicious PDF — malware analysis report

Static analysis result for SHA-256 15edd5a863876b1b…

MALICIOUS

PDF

75.3 KB Created: 2021-03-18 15:47:22 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3dfbac957946c421113401ac73e491d4 SHA-1: 9128bc115ad0ec80b643f07c9d8967213195c999 SHA-256: 15edd5a863876b1b3450aafbad88412f04148236313672a73e4cf0b9e4ddea8f
96 Risk Score

Malware Insights

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

This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. The document contains an embedded URL that directs users to a suspicious domain, likely to deliver a malicious payload or phish for credentials. The presence of embedded URLs and the overall detection pattern suggest a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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://resalured.ru/strik?utm_term=a+christmas+carol+movie+2020+streaming
    • https://static.s123-cdn-static.com/uploads/4453718/normal_5ff70a4396ac1.pdf
    • http://titodisoke.22web.org/lg_cosmos_3_battery.pdf
    • https://cdn-cms.f-static.net/uploads/4478146/normal_603a4e3f11411.pdf
    • https://rovewavulitomu.weebly.com/uploads/1/3/0/8/130873995/pilinuxotu-soregu-nebiwesega-jagojudeb.pdf
    • https://static.s123-cdn-static.com/uploads/4368740/normal_5ffe17a826f03.pdf
    • https://cdn.sqhk.co/dukosisevu/jdib4R1/anime_face_avatar_maker_apps.pdf
    • http://fakexexu.sportsontheweb.net/marketing_analytics_techniques.pdf
    • http://zibikudupe.mywebcommunity.org/bryant_plus_90_codes.pdf
    • https://static.s123-cdn-static.com/uploads/4468261/normal_5ff96909d8906.pdf
    • https://static.s123-cdn-static.com/uploads/4378619/normal_5ff5c6790fec2.pdf
    • http://tezoxefakalexo.sportsontheweb.net/stihl_ms310_farm_boss_price.pdf
    • https://static.s123-cdn-static.com/uploads/4391954/normal_6000b369ed9ab.pdf
    • https://cdn.sqhk.co/zabitokepum/4ihyjgm/pakunigugazogosi.pdf
    • https://vumiluvitut.weebly.com/uploads/1/3/2/6/132696113/dd00e3e888677.pdf
    • https://vakilelem.weebly.com/uploads/1/3/1/3/131379598/tutilufizakut.pdf
    • https://cdn-cms.f-static.net/uploads/4378605/normal_5fe88f75af294.pdf
    • https://lajidusok.weebly.com/uploads/1/3/1/0/131070852/vukobadul_megeposebud_nasatopoverizet_woguninul.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://moseligukunevuz.epizy.com/the_stand_1994_miniseries.pdf
    • http://kafogateginoni.epizy.com/minecraft_1._12_2_pc_full_version.pdf
    • http://vazorilumi.epizy.com/mideguj.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_off0000e59e.bin
7571c220ab63a84f6147b576efbccd6a9969edfb8904226ecec8d60f229506da
pdf-font-stream PDF embedded font (sfnt) at offset 0xE59E 5536 bytes
font_01_sfnt_off0000f84c.bin
8837f4565154f4d0c5493046402d86a57f93e6963fe8fdb6e84a481f6185ebf2
pdf-font-stream PDF embedded font (sfnt) at offset 0xF84C 11308 bytes