Malicious PDF — malware analysis report

Static analysis result for SHA-256 3aeb82d77058ce14…

MALICIOUS

PDF

49.7 KB Authoring application: pstoedit
MD5: abe69ee88938662d92774cbd9c9eb70e SHA-1: 72d421939ed5b93470bc3b23ba9fcfb420902bbd SHA-256: 3aeb82d77058ce1458a805f997a8510e1ef8329872ba17aaba18c6faf3123489
150 Risk Score

Malware Insights

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

The PDF contains a large number of external links to other PDF files hosted on various domains, as indicated by the PDF_SEO_LINK_FARM heuristic. This suggests a link farm or a distribution mechanism for further malicious content. The ML classifier and ClamAV detection strongly support its malicious nature. No scripts were extracted from this sample, limiting the ability to determine specific execution behaviors.

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://circusla.com/uploads/1/3/0/7/130740616/biludadakibaf.pdf
    • http://jwlsolutions.com/uploads/1/3/0/5/130588588/1221502.pdf
    • http://jamesorourkelaw.com/uploads/1/3/0/6/130621475/vedanufepaxaku_ribakigewe_madobenutoxeki.pdf
    • http://vuzi.gamehive.pro/uploads/2020/01/29/narivujanawenuwoze.pdf
    • http://buyhempoilnow.shop/uploads/1/3/0/4/130476798/2230598.pdf
    • http://agilemy.life/uploads/1/3/0/6/130639348/4029168.pdf
    • https://zupudirepizogob.weebly.com/uploads/1/3/0/4/130488446/gadawidewelusi.pdf
    • http://solanii.com/uploads/1/3/0/4/130476143/kasugupejiwi.pdf
    • http://acmbuenosaires.org/uploads/1/3/0/5/130588344/fc1e9b0de.pdf
    • http://saintaidansfestival.co.uk/uploads/1/3/0/6/130604002/828508.pdf
    • http://puzzlescleaning.com/uploads/1/3/0/2/130289542/4772987.pdf
    • http://lostcanyonresort.net/uploads/1/3/0/5/130589031/topoxasonuf_kovurir_loritima.pdf
    • http://sharedtravel.voyagerwebsites.com/uploads/1/3/0/2/130289161/130289161.html#anticoagulantes+naturais+pdf
    • https://medlineplus.gov/spanish/bloodthinners.html

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001386.bin
76ce08c86ac6450cc99261a129198054ec6100fa044369e9044f216ceea174e9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1386 10572 bytes
font_01_sfnt_off00007ca3.bin
779aa567746046747dac965df7fdfb06ff632674a0a99ce247a327bf89f0fa63		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7CA3 16036 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.