Malicious PDF — malware analysis report

Static analysis result for SHA-256 65f28bdda1da97bd…

MALICIOUS

PDF

93.0 KB Created: 2021-03-19 12:14:37 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: f5c790197bc0d07dc617e6393f70159e SHA-1: da839f4459ed836442039c9c358267263a6ca70f SHA-256: 65f28bdda1da97bdc7f97e853fded6b07eebc25f2d5367c12a79db85fad1a889
96 Risk Score

Malware Insights

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

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

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://kuzutuzo.ru/wix?keyword=swtor+sith+assassin+companions PDF link annotation
    • http://prizinsta365.website/rogoporonokiqvpp.pdfIn PDF document text
    • https://ladeletoleworuw.weebly.com/uploads/1/3/4/7/134712388/vokoxiluvemis-bavutabimujum-zitujagupewo-ziputujola.pdfIn PDF document text
    • https://bukudemedu.weebly.com/uploads/1/3/1/4/131483547/susuwexakuzasipezuma.pdfIn PDF document text
    • http://giwosoto.sportsontheweb.net/how_to_test_a_fan_limit_switch.pdfIn PDF document text
    • http://fesotisifofil.mygamesonline.org/gabufe.pdfIn PDF document text
    • https://wudegilunukoga.weebly.com/uploads/1/3/1/3/131379548/jijaxijazop-soresi.pdfIn PDF document text
    • http://kotodagojaf.iblogger.org/someone_noone_anyone_exercises.pdfIn PDF document text
    • http://pink-echo.club/o_sol_da_meia_noite_livrobjt8c.pdfIn PDF document text
    • https://wokopapun.weebly.com/uploads/1/3/5/3/135388848/dekedux-nujakid-larugubado-rujalusixinow.pdfIn PDF document text
    • http://finansi-7.online/david_ludwig_always_hungry60wb6.pdfIn PDF document text
    • https://tonavamajarow.weebly.com/uploads/1/3/4/6/134694337/dabejuwafasidoxas.pdfIn PDF document text
    • https://xidoxuzi.weebly.com/uploads/1/3/4/7/134707988/bilikobegu.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://vawutalakomu.epizy.com/synth_pad_vst.pdfIn PDF document text
    • http://wulibazosuxib.onlinewebshop.net/does_chick_fil_a_hire_at_14_in_new_york.pdfIn PDF document text
    • https://s3.amazonaws.com/fazujo/jelumunobulo.pdfIn PDF document text
    • https://s3.amazonaws.com/vavapekadoliti/kugamo.pdfIn PDF document text
    • http://supuwevul.atwebpages.com/ravixozowefokoxoletezera.pdfIn PDF document text
    • https://s3.amazonaws.com/lemefofutomapox/23177765614.pdfIn PDF document text
    • http://nisarinu.epizy.com/87380847877.pdfIn PDF document text
    • https://s3.amazonaws.com/mexijegedakol/temeperixo.pdfIn PDF document text
    • https://s3.amazonaws.com/gizonukorad/73511459082.pdfIn PDF document text
    • http://xakagigoneliv.myartsonline.com/fujinasodu.pdfIn PDF document text
    • http://wumiwumo.rf.gd/best_use_of_true_polymorph_5e.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_off00012d32.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12D32 5336 bytes
SHA-256: 30d9d8ab001180dbe72f17dcc6fb4e734002a6045909109893b7d8da0833df84
font_01_sfnt_off00013f41.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x13F41 11384 bytes
SHA-256: 9137faee383d73574919378ba5bfca66be035f35fcb009c054bc5fb5e8ded395

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