Malicious PDF / .VIR — malware analysis report

Static analysis result for SHA-256 1b483cb8c6fdcdd6…

MALICIOUS

PDF / .VIR

335.9 KB Created: 2024-05-02 07:37:39 Authoring application: Smallpdf Desktop First seen: 2024-05-27
MD5: e48400d507c91e0d8e5b4eb1fcd4f188 SHA-1: 9f38f447f9fd1bf79331ddc38753d2babed4aef0 SHA-256: 1b483cb8c6fdcdd6e8ab1c934f7c1069e5b4081164f102b1563dd09faaa54afc
176 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.6661

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
    PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
  • Clickable PDF combines external action with parser-evasion structure high PDF_ACTION_PARSER_EVASION
    PDF has an external clickable URI together with object graph or xref structures that make parsers disagree, such as divergent duplicate objects, parser divergence, or xref offset mismatch. That combination is stronger than a plain link: the document is both an outward-action carrier and a parser-confusion/evasion sample.
  • 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://www.easytrafficbuilder.com/promoclick.php?aff=weblord&url=https://online.midwestern.edu/js/fckeditor/editor/filemanager/browser/default/browser.html?Connector=https://kuraf.club-directory.com/f/56389019 In PDF document text
    • https://hdpornvideos.cc/xxx.php?link=video&p=100&u=https://5.imimg.com/data5/SELLER/Doc/2024/5/415210638/CX/DW/PI/221250824/fixuganaluzuburopemor.pdfIn PDF document text
    • https://druglibrary.net/cgi-bin/cgiwrap/druglibrary/external.pl?link=https://uploads-ssl.webflow.com/66005810bfd894b77df79de3/6633218cebb24ccb87123b64_32122837484.pdfIn PDF document text
    • https://www.viamailing.es/click.php?click_con_id=&click_env_id=&click_URL=http://www.viamailing.es/click.php?click_con_id=&click_env_id=&click_URL=https://assets.website-files.com/65f017a46bb4bb338f461a7c/663321cfb59818c47d8ea2e0_15098447411.pdfIn PDF document text
    • https://sortedsites.net/example/GoToURL.aspx?url=https://5.imimg.com/data5/SELLER/Doc/2024/5/415214227/WX/YV/JT/221250339/cba429e7-a2f0-4cf8-b58a-ca954a4a7f17.pdfIn PDF document text
    • http://www.hotterthanfire.com/cgi-bin/ucj/c.cgi?url=https://uploads-ssl.webflow.com/65f00a8cdb518103ca160df5/66331a42b04ff9244280eb4e_minijeloxapazev.pdfIn PDF document text
    • https://fevitozadu.oalroax.com/37064388196655064188686086?gaparedukoperupakobasapokojunozazo=pusojuwisinudewawovowipemorezukatukatibibasetufodatixawugomasetesarokutekodisufusibezotuvebuzivizibikutatotexukowakulekelasovusarixusizewovawowitupasatofojusozojigidotefulupakuredufizuregazepisodezawegogo&utm_kwd=us+medical+research+agency+nyt+crossword+answers&liwobivewadapuxutudunumubupamimuzuzu=wibonisokazupaxapimilobuwisapalikebigofajelupogowuneledewuwavamixuvirimumiluzidesugelijilokoxapametarelosimopasujibovisodozuzesobevuledavisajIn PDF document text
    • https://fevitozadu.oalroax.com/37064388196655064188686086?gaparedukoperupakobasapokojunozazo=pusojuwisinudewawovowipemorezukatukatibibasetufodatixawugomasetesarokutekodisufusibezotuvebuzivizibikutatotexukowakulekelasovusarixusizewovawowitupasatofojusozojigidotefulupakuredufizuregazepisodezawegogo&utPDF link annotation
    • https://fevitozadu.oalroax.com/37064388196655064188686086?gaparedukoperupakobasapokojunozazo=pusojuwisinudewawovowipemorezukatukatibibasetufodatixawugomasetesarokutekodisufusibezotuvebuzivizibikutatotexukowakulekelasovusarixusizewovawowitupasatofojusozojigidotefulupakuredufizuregazepisodezawegogo&utm_kwd=us+medical+research+agency+nyt+crossword+answers&liwobivewadapuxutudunumubupamimuzuzu=wibonisokazupaxapimilobuwisapalikebigofajelupogowuneledewuwavamixuvirimumiluzidesugelijilokoxapametarelosimoPDF link annotation
    • https://oldiranian.blogsky.com/dailylink/?go=https://assets.website-files.com/65e8873f99e90444509c45d7/66331cc73e3fe8580ab3ca2a_390600075.pdf&id=36In PDF document text
    • http://abcclub.cside.com/nagata/link4/link4.cgi?mode=cnt&hp=https://uploads-ssl.webflow.com/65f03c81ffe00f8469a54fbc/66331d67ebb24ccb870ed850_jexogavamatalutefafi.pdf=paginapagina=https://t.co/p57fWU86LO&no=1027In 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://dejavu.sourceforge.netIn extracted file (font_00_sfnt_off0004f0b9.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0004f0b9.bin)

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0004f0b9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4F0B9 11188 bytes
SHA-256: 5000db967c7dcea0945c9e00e0a5f0d78a1f1811950e4534d260551e022af84a
font_01_sfnt_off00050a89.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x50A89 14944 bytes
SHA-256: 5a77853522539a7583cd9ab362b90b76fc0ae423f708e92421ba939cf90ed30a