Malicious PDF — malware analysis report

Static analysis result for SHA-256 e59e13eca931f4e3…

MALICIOUS

PDF

76.4 KB Created: 2021-04-03 21:24:33 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-08-20
MD5: f0aafb3eba7689f330e5c7b650b45491 SHA-1: 21c4bc643806dea3b0c26ce859adfc16609cee86 SHA-256: e59e13eca931f4e3a7684801a53f532c6e01ce1836071a84b51eb951ffd6c0d5
126 Risk Score

Malware Insights

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

This PDF document was flagged as malicious by ML classifiers and ClamAV, indicating a phishing or trojan payload. The document body contains text related to 'Overwatch aimbot free 2019', suggesting a lure to trick users into visiting malicious websites. Several external URIs were extracted, pointing to disposable hosting and link farms, further supporting the phishing pretext.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9990

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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://gimoguvi.ru/wix?keyword=overwatch+aimbot+free+2019 PDF link annotation
    • https://davufafelasipip.weebly.com/uploads/1/3/4/3/134328138/93d05053ff0c48.pdfIn PDF document text
    • https://majejuwusi.weebly.com/uploads/1/3/2/3/132303270/lekuwo.pdfIn PDF document text
    • https://cdn.sqhk.co/numanazolov/jiagdI1/nike_sky_force_3_4_grey_fog.pdfIn PDF document text
    • https://mixowobigasobu.weebly.com/uploads/1/3/1/1/131164278/vevuredisozawu.pdfIn PDF document text
    • https://raxorevowipafe.weebly.com/uploads/1/3/4/7/134765671/xiduwawepuxufarejaz.pdfIn PDF document text
    • http://bexowobiminefi.mywebcommunity.org/55614727201.pdfIn PDF document text
    • https://cdn.sqhk.co/talokelom/Jheijjb/racing_games_online_for_free_without_downloading.pdfIn PDF document text
    • https://cdn.sqhk.co/goberirud/jalNQzP/53136264949.pdfIn PDF document text
    • http://bidimiw.sportsontheweb.net/17538972563.pdfIn PDF document text
    • https://tidovikazixuwuj.weebly.com/uploads/1/3/4/3/134316919/porojuva.pdfIn PDF document text
    • http://tinipen.medianewsonline.com/wasixewinenufezonazolur.pdfIn PDF document text
    • http://dubiniba.iblogger.org/cost_control_engineer_job_description.pdfIn PDF document text
    • https://cdn.sqhk.co/gonuromabime/QtgcheP/konoha_stickers_anime_wastickerapps_be_a_hokage.pdfIn PDF document text
    • http://topcabinets.xyz/8181723728frscn.pdfIn PDF document text
    • https://cdn.sqhk.co/pojimisuso/jfiiWge/city_racing_3d_multiplayer_problem.pdfIn PDF document text
    • http://shtangennstutkupitseychas.xyz/sewixekvkuk.pdfIn PDF document text
    • http://japancar-sib.ru/main_difference_between_specific_deterrence_and_general_deterrenceq32ln.pdfIn PDF document text
    • http://goldstein.capital/6556057972004a7k.pdfIn PDF document text
    • https://cdn.sqhk.co/kukisigafumi/8QBhjgf/micro_pigs_for_sale_near_me_uk.pdfIn PDF document text
    • http://gnoogle.site/mexepiriduwole93i2i.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://bavevex.onlinewebshop.net/judul_skripsi_pendidikan_agama_islam.pdfIn PDF document text
    • http://zetusisase.rf.gd/37178582275.pdfIn PDF document text
    • http://gagisejokunego.rf.gd/resident_evil_2_remake_trophy_guide_ps4.pdfIn PDF document text
    • http://mezezix.rf.gd/oxford_dictionary_for_pc_filehippo.pdfIn PDF document text
    • http://nelifofufotilep.epizy.com/64535645666.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000ed15.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xED15 5712 bytes
SHA-256: 82af2a77d1c2c69d5847e0f95dcf2cb5913a2935625561d275d53b91680afd43
font_01_sfnt_off0001007f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1007F 10304 bytes
SHA-256: 746effb06affecb4b67333b5d577893c8bb8e288df19bc9e7a81c477c20c0b69

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