Malicious PDF — malware analysis report

Static analysis result for SHA-256 0182506969ce52a1…

MALICIOUS

PDF

50.1 KB Authoring application: Adobe PDF Library 9.0
MD5: 062575b9c07b3664f37046561eacd03f SHA-1: a9386d83d5c74905df664bf06399dc6dd99f2faf SHA-256: 0182506969ce52a189e5e93a0cef75a833f0ceb98434dca8a6f7fa45d0f7e424
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF document exhibits characteristics of a link farm, embedding numerous URLs that point to other PDF files. This technique is often used for SEO manipulation or to distribute further malicious content. The ClamAV detection and ML classifier strongly indicate malicious intent, likely related to phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 3

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • 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 http://clumsybutcute.com/uploads/1/3/0/4/130477719/nijareporu-xabop-lekibipu-daxutawelinil.pdf
    • http://braveandgentle.net/uploads/1/3/0/6/130621947/tovowakoge_ruwedabaweb_dametituvowu_pusisa.pdf
    • http://morbegnoclassica.com/uploads/1/3/0/6/130604977/jugugara.pdf
    • http://msk-remont24.icu/uploads/2020/01/29/3536525.pdf
    • http://toursofcalifornia.com/uploads/1/3/0/6/130604434/1062929.pdf
    • http://airbreather.net/uploads/1/3/0/2/130288419/8811171.pdf
    • http://cfg-ecommerce.com/uploads/1/3/0/6/130640231/4462300.pdf
    • http://molivery.weebly.com/uploads/1/3/0/5/130545932/13ffe.pdf
    • http://benjamindcrowe.com/uploads/1/3/0/5/130539408/malogugiweti.pdf
    • http://thegreenbunnystore.com/uploads/1/3/0/5/130539107/wuxuxebilejalelo.pdf
    • http://queyroi.com/uploads/1/3/0/5/130541837/31e935fceb8b.pdf
    • http://dinewaw.studio-elephant.ru/uploads/2020/01/29/1009694.pdf
    • http://daarna.be/uploads/1/3/0/6/130605462/5401450.pdf
    • http://seattleyouthbaseball.com/uploads/1/3/0/5/130589056/614e01.pdf
    • http://missturquoisecircuit.com/uploads/1/3/0/5/130539838/jopojanotidelikim.pdf
    • http://ninaceledonio.com/uploads/1/3/0/5/130543598/7061250.pdf
    • http://nelsonfirm.com/uploads/1/3/0/4/130483592/livek.pdf
    • http://japanesepractice.guru/uploads/1/3/0/6/130603823/tetuxoje_palavaf.pdf
    • http://tomajep.japher.site/uploads/2020/01/28/mepok-tawikobaxirimo-rovasodawo.pdf
    • http://radmanusa.com/uploads/1/3/0/3/130379110/lagakebu.pdf
    • http://applyfordisabilitynow.us/uploads/1/3/0/4/130489331/130489331.html#krumblor+cookie+clicker
    • http://dejavu.sourceforge.net
    • http://dejavu.sourceforge.net/wiki/index.php/License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000015f2.bin
28f5499104c1c6f410f5bfa3524e1e05e522283e47e08e72850ad11adf61257a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x15F2 8396 bytes
font_01_sfnt_off00007ccb.bin
f31c439e28d0137206b91a151f21343900f846ed9ff070250fbe82eb1cc7da1d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7CCB 16204 bytes

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