Malicious PDF — malware analysis report

Static analysis result for SHA-256 2482e663fe2a0038…

MALICIOUS

PDF

44.5 KB Authoring application: Smallpdf Desktop
MD5: 178765485731bb25cce724d486e32035 SHA-1: 87c50136f3059b1f2317c25fbbdf43e02e0339a1 SHA-256: 2482e663fe2a00387e25080e0c88cfe7a079cc905395996ae6c942be56fceeac
150 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristic 'PDF_SEO_LINK_FARM' indicates the document contains numerous external links, with the first being http://aaagospelminister.com/uploads/1/3/0/2/130289161/darafi_batoj.pdf. The document body, though partially corrupted, also contains multiple URLs pointing to external PDF files, reinforcing the link farm behavior. This suggests the document is designed to redirect users to potentially harmful websites, likely for phishing or malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://aaagospelminister.com/uploads/1/3/0/2/130289161/darafi_batoj.pdf
    • http://rope.cargo-floor.ru/uploads/2020/01/27/cc84e6ebdc160.pdf
    • https://gesinuvatux.weebly.com/uploads/1/3/0/5/130544694/kupebomemuposajure.pdf
    • http://ximiwa.conditionsnap.com/uploads/2020/01/28/b4b547dedc88213.pdf
    • http://med555.ru/uploads/2020/01/27/potexigifexokiberef.pdf
    • https://vexugokifiget.weebly.com/uploads/1/3/0/4/130483125/tasubenajobis_wigalixexivek_jabel.pdf
    • http://erielimoservices.com/uploads/1/3/0/2/130287920/donenema.pdf
    • http://purensimpleohio.com/uploads/1/3/0/2/130270849/fotenesozexewuxo.pdf
    • http://kddoula.com/uploads/1/3/0/5/130590548/pilofozak_rumefekimama_pelolibe.pdf
    • http://vuza.agicole-acces.com/uploads/2020/01/27/6755507.pdf
    • http://easy-studies.com/uploads/2020/01/28/f2b089edeb2.pdf
    • https://lodafudibo.weebly.com/uploads/1/3/0/5/130543787/ce9e7.pdf
    • http://jokoxi.theerachaiit.online/uploads/2020/01/27/kogiziki_safonu.pdf
    • http://sosug.rublik.info/uploads/2020/01/28/legufemizi.pdf
    • https://pesawolobebum.weebly.com/uploads/1/3/0/2/130289163/miboselegetalatusuwi.pdf
    • http://lifeafterkid.com/uploads/1/3/0/5/130539128/boniwisadodafileg.pdf
    • http://accadulthomecare.net/uploads/1/3/0/6/130604799/memuxijo.pdf
    • http://nstuk.com/uploads/1/3/0/5/130589160/zekakubida.pdf
    • http://xuxitep.krasiva24.com/uploads/2020/01/28/8362873.pdf
    • https://werozuzava.weebly.com/uploads/1/3/0/4/130489080/6bb70d0bc.pdf
    • http://environcards.org/uploads/1/3/0/5/130547884/jiwuzavotutik-sitiripud.pdf
    • http://penostroy.com/uploads/2020/01/28/260787.pdf
    • http://jungandsisco.com/uploads/1/3/0/5/130545895/130545895.html#cube+root+worksheets+grade+8

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001686.bin
96951ac7c63650c0684bd62f70a1c67728889db1aab209708ff68f7c20c44a3a
pdf-font-stream PDF embedded font (sfnt) at offset 0x1686 8356 bytes
font_01_sfnt_off00005d12.bin
e2f1373bf3d70a40ff4276a486f0a1d2d32154e4f45ad1243a44c3d3b7d91cea
pdf-font-stream PDF embedded font (sfnt) at offset 0x5D12 2652 bytes
font_02_sfnt_off000065e3.bin
f31c439e28d0137206b91a151f21343900f846ed9ff070250fbe82eb1cc7da1d
pdf-font-stream PDF embedded font (sfnt) at offset 0x65E3 16204 bytes