Malicious PDF — malware analysis report

Static analysis result for SHA-256 53cc2669f9e8d3c6…

MALICIOUS

PDF

43.0 KB Authoring application: Smallpdf Desktop First seen: 2021-02-19
MD5: 826c6ea670fb39060ec1df1ea6c8a9c4 SHA-1: 7b1d9dcc21664afc9dbe504595e67cdefca5b28d SHA-256: 53cc2669f9e8d3c6290250921745746909d1998a71d97af2d208139c2dfbede5
152 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

Heuristics 3

  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • 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.
  • 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://our-rainforest.com/uploads/1/3/0/2/130270904/527590.pdf In PDF document text
    • http://pilgrimwithabackpack.com/uploads/1/3/0/6/130621591/921856.pdfIn PDF document text
    • http://aaronkleiber.com/uploads/1/3/0/5/130539344/696529b.pdfIn PDF document text
    • http://dykewhistle.com/uploads/1/3/0/2/130271145/zesesisa.pdfIn PDF document text
    • http://elliottgoldberg.com/uploads/1/3/0/3/130313087/tilene.pdfIn PDF document text
    • http://stjohnlutheranruma.com/uploads/1/3/0/8/130813934/tivunowep_xobatodenam_vopisekumo_ripolor.pdfIn PDF document text
    • http://myphonexpress.com/uploads/1/3/0/5/130551212/mamigebiko-rumiwi.pdfIn PDF document text
    • http://gisenorax.odnavosmaya.ru/uploads/2020/01/28/3289849.pdfIn PDF document text
    • http://amandamayberry.com/uploads/1/3/0/7/130776599/kafagaxuxuxo-vimemepa-rivofekefavo-faviwobibe.pdfIn PDF document text
    • http://calciomaestro.com/uploads/1/3/0/6/130620982/pulim-bibirimeta-nomirameta-raloxilupoza.pdfIn PDF document text
    • http://amusethemeparks.com/uploads/1/3/0/4/130483961/130483961.html#important+quotes+from+absalom+and+achitophelIn PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000012fa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12FA 8136 bytes
SHA-256: 92ca28082fb734c440e9515935d29bce8c5dd52f7b921359f55050a93a583e34

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